Entries |
Document | Title | Date |
20080206635 | Electrochemical Element - An electrochemical element comprises a container and a sealing plate for sealing an opening of the container. The container is sealed with the sealing plate by welding a portion of the brazing material on the sealing plate and a portion of the metal film of the container which make contact with each other together in a state where a first electrode active material, a separator, a second electrode active material and an electrolyte are contained in the container. An electricity collector sheet is electrically connected to the first electrode active material or the second electrode active material, whichever is closer to the opening of the container. At least a portion of the electricity collector sheet extends to the end portion of the container so that the container and the sealing plate are welded together with the extending portion of the electricity collector sheet in between. Thus, the manufacturing process may be simplified so that the welding of the container and the sealing plate can be easily carried out even when the container and the sealing plate are reduced in size. | 08-28-2008 |
20080206636 | Lithium secondary battery with a laminate housing material - [Purpose] To provide a lithium secondary battery with excellent productivity, wherein deterioration of the housing material due to penetration of moisture into the inside of the battery and hydrogen fluoride generating inside the battery are prevented. | 08-28-2008 |
20080220328 | Prismatic lithium ion battery - A prismatic lithium ion battery having an electrode assembly, a prismatic can which receives the electrode assembly and a cap assembly which closes the open end of the prismatic can, wherein two deformed surfaces are formed in each major surface area of the prismatic can opposite to each other, respectively so that they are bent from exterior to interior and indented, and formed in the shape of a band connecting two narrow sides in the longitudinal direction, and formed one by one close to two large sides of the major surface areas but the intermediate parts are close to each other than the ends. In accordance to the present invention, in case that the expansion of the battery or the internal gas generation, the expansion of the battery in the thickness direction is prevented, and the risk, making an internal short-circuit because the insulating case is not pressed to the can as the prismatic can expand, may be reduced. | 09-11-2008 |
20080226982 | Electrolyte-absorbing, non-permeable sealing materials - An engineered thermoplastic sealing member for LiFeS | 09-18-2008 |
20080241678 | ELECTROCHEMICAL CELL HAVING LOW VOLUME COLLECTOR ASSEMBLY - A low volume collector assembly and an electrochemical cell employing a collector assembly are provided. The electrochemical cell includes an electrically conductive can having inner and outer electrodes disposed therein. The cell also includes a collector assembly assembled to an open end of the can to provide closure to the open end of the can. The collector assembly includes a seal and a cover assembled to the seal to provide a sealed closure to the open end of the can. The cover includes an integrally formed current collector portion that contacts one end of the inner electrode. The cover serves as a current collector and also serves as a contact terminal of the cell. | 10-02-2008 |
20080241679 | SEALED BATTERY WITH ELECTRODE TERMINAL WELDED TO CURRENT COLLECTOR, AND MANUFACTURING METHOD FOR THE SAME - Provided is a sealed battery that can offer excellent battery performances by having its electrode terminal and a current collector securely welded to each other, and its manufacturing method. The sealed battery is formed by hermetically sealing a casing storing an electrode assembly and the current collector, wherein: the electrode assembly formed by layering positive and negative electrode plates with a separator sandwiched therebetween is electrically connected to the current collector; and a shaft portion of the electrode terminal penetrates through the current collector. A part of the electrode terminal projecting out from a pass-through of the current collector is a (conical) frustum-shaped portion whose bottom base is in contact with the current collector. The frustum-shaped portion is pressed against the current collector, and the frustum-shaped portion and the current collector are welded together in at least one area on a perimeter of the bottom base of the frustum-shaped portion. | 10-02-2008 |
20080241680 | Pouch type lithium secondary battery - A pouch type lithium secondary battery includes a crude cell equipped with electrode leads and electrode tabs, a battery case for sealing the crude cell, and insulating materials provided on an inner surface of the battery case in which the electrode leads and the electrode tabs are disposed. In a method of fabricating a pouch type lithium secondary battery comprising a crude cell equipped with electrode leads and electrode tabs, and a battery case for sealing the crude cell, the battery case is comprised of a first receiving portion for receiving the crude cell and a second receiving portion for receiving the electrode leads. The method includes the steps of processing insulating materials on an inner surface of the second receiving portion, inserting the crude cell into the battery case, and sealing the battery case. | 10-02-2008 |
20080248384 | FLAT-SHAPED BATTERY - A flat-shaped battery of the present invention includes an outer can that is open upward, a sealing can that is open downward, and a gasket that is placed between the outer can and the sealing can to seal the space between them. The outer can includes a base plate and a cylindrical surrounding wall. The surrounding wall of the outer can includes a straight portion that extends upward and perpendicular to the base plate. The sealing can includes a housing in the form of an inverted dish, a flange that projects outward from a lower end of the opening of the housing, and a single outer surrounding wall that extends downward from an outside edge of the flange so as to be perpendicular to the flange. The outer surrounding wall of the sealing can is arranged perpendicular to the base plate of the outer can. The gasket includes a base that receives a lower end of the outer surrounding wall of the sealing can, and an outer cylindrical wall that extends upward from the base and is disposed between the surrounding wall of the outer can and the outer surrounding wall of the sealing can. The surrounding wall of the outer can has a curved edge such that the surrounding wall at the opening of the outer can is bent toward an axis of the outer can and positioned laterally with respect to the outer surrounding wall of the sealing can. The curved edge presses an upper end of the outer cylindrical wall of the gasket against an upper end of the outer surrounding wall of the sealing can. | 10-09-2008 |
20080311469 | Pouch-type rechargeable battery and its method of manufacture - A pouch-type rechargeable battery and its method of manufacture includes: an electrode assembly having a resin layer attached to the outer surface of an electrode tap, and a pouch having a sealing part formed on the ends of the top and bottom thereof, housing the electrode assembly. The resin layer is positioned inside the sealing part and sealed by heat and pressure for preventing it from being exposed outside the sealing part. Thus, the pouch-type rechargeable battery is adapted to seal the resin layer in the sealing part, instead of exposing it outside the sealing part so as to reduce the longitudinal length of the battery, thereby improving the capacity of the battery. | 12-18-2008 |
20090004561 | SEALED BATTERY AND MANUFACTURING METHOD THEREFOR - The present invention's manufacturing method for a sealed battery includes: a process whereby a sealed battery application electrode assembly | 01-01-2009 |
20090004562 | SEALED BATTERY AND MANUFACTURING METHOD THEREFOR - A sealed battery according to an aspect of the invention includes: a flat electrode assembly | 01-01-2009 |
20090011331 | SEAL RING AND ASSOCIATED METHOD - An article includes a seal ring for an energy storage device. The seal ring has a weldable first portion and a weldable second portion. The first and second portions are electrically isolatable from each other by an electrically insulating third portion. | 01-08-2009 |
20090061309 | Container for Electric Energy Storage Device, and Battery and Electric Double Layer Capacitor Using the Same - The invention relates to a container for electric energy storage device excellent in the manufacturing efficiency and easy for surface mounting to an external electric circuit board, and a battery and electric double layer capacitor at high performance using the same. A container for electric energy storage device includes a frame ( | 03-05-2009 |
20090061310 | SECONDARY BATTERY - There is a provided a secondary battery capable of preventing unloading and rotating caused by possible vibration or shock by increasing a coupling force among the vent plate, the insulator, and the cap-down that compose the cap assembly of the secondary battery. To increase the coupling force among the vent plate, the insulator, and the cap-down, protrusions and corresponding grooves or holes, and grooves with step areas may be formed. Alternatively, a plurality of insulators may be formed in a divided form. A secondary battery with a reliable cap assembly can be implemented through such a structural change. | 03-05-2009 |
20090075169 | Secondary battery - A secondary battery which can prevent leakage of an electrolytic solution by improving the sealing property of an electrolytic solution injection hole formed at a cap plate comprises: an electrode assembly including a cathode plate, a separator and an anode plate; a can having an upper opening for receiving the electrode assembly; and a cap assembly which is combined with the upper opening of the can, and which includes a cap plate provided with an electrolytic solution injection hole at one side thereof. A groove is formed in an axial direction on an inner circumferential surface of the electrolytic solution injection hole. Thus, the contact area between a stopper and the electrolytic solution injection hole is increased, thereby improving the sealing property of the electrolytic solution injection hole. | 03-19-2009 |
20090081541 | Bipolar Battery Having Carbon Foam Current Collectors - A bipolar battery includes a housing and a plurality of bipolar electrode plates aligned with respect to one another within the housing to form a cell between each pair of adjacent bipolar electrode plates. Each of the plurality of bipolar electrode plates includes an electrode substrate having a first face and a second face, an electrical connection element overlapping at least a portion of both the first face and the second face, a first carbon foam current collector on the first face of the substrate, a second carbon foam current collector on the second face of the substrate, and a chemically active paste on both the first and second carbon foam current collectors. A plurality of electrical separators are interleaved with the plurality of bipolar electrode plates. | 03-26-2009 |
20090081542 | FILM-COVERED ELECTRIC DEVICE AND METHOD OF MANUFACTURING SAME - Battery element | 03-26-2009 |
20090087735 | Rechargeable battery - A rechargeable battery having a current collector plates that a have a stable and reliable connection to an uncoated portion of one of the anode and the cathode of the electrode assembly. The rechargeable battery includes the electrode assembly, a case, a cap assembly, and the current collecting plates. The electrode assembly includes the anode, the cathode, and a separator arranged between the anode and the cathode. The case houses the electrode assembly. The cap assembly closes and seals the case and includes an electrode terminal. The current collecting plates connect the electrode assembly and the cap assembly and each include a plurality of current collecting protrusions that extend into the electrode assembly. The current collecting protrusions of one current collector plate are arranged among the current collecting protrusions of another current collecting plate, and the uncoated region of one of the anode and the cathode is arranged among these current collecting protrusions. | 04-02-2009 |
20090087736 | SEALED BATTERY - A sealed battery including: an electrode assembly | 04-02-2009 |
20090087737 | SEALED BATTERY AND MANUFACTURING METHOD THEREOF - The external terminal | 04-02-2009 |
20090087738 | Secondary battery - A secondary battery includes an electrode assembly for generating electricity, a can for accommodating the electrode assembly, and a cap assembly. The can has an open top and the cap assembly seals the open top. The electrode assembly has a plurality of electrode tabs through which electricity is supplied. The cap assembly includes an insulating case that has a plurality of tab drawing grooves. Each of the tab drawing grooves is capable of being occupied by one of the electrode tabs. A number of the tab drawing grooves is greater than a number of the electrode tabs. One of the electrode tabs can be drawn through one of the tab drawing grooves. Other tab drawing grooves are left as spare grooves, and therefore it is not necessary to change the shape of the insulating case even though the structure of the secondary battery is changed. | 04-02-2009 |
20090092898 | Electrode assembly and secondary battery having the same - The electrode assembly includes a positive electrode plate and a negative electrode plate, and a film separator interposed between the positive and negative electrode plate to prevent a short circuit. A ceramic layer is formed between the positive electrode collector and the film separator or between the negative electrode coating portion and the film separator. | 04-09-2009 |
20090104522 | STORAGE BATTERY AND PRODUCTION METHOD THEREOF - A storage battery includes: a bottomed metal case ( | 04-23-2009 |
20090117459 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A secondary battery and a method of manufacturing the secondary battery, the secondary battery including: an electrode assembly; a can to house the electrode assembly; and a cap assembly to seal an opening of the can. The cap assembly including: a cap-up; a safety element disposed on the cap-up; a safety vent disposed on the safety element; an insulating gasket disposed around the cap-up, the safety element, and the safety vent; and a cap body to clamp the insulating gasket. A portion of the cap body is joined to the opening of the can. | 05-07-2009 |
20090123835 | Lithium Ion Secondary Battery - Electrode assemblies easily impregnated with an electrolyte are provided. A sealing tape attached to the outer circumference of the electrode assembly comprises a material having an affinity for the electrolyte. Alternatively, the entire sealing tape or a portion of the tape is coated with the material. In another alternative, the surface of the sealing tape is rough, thereby improving wetting of the tape by the electrolyte and diffusion of the electrolyte into the tape. In another embodiment, first and second insulating plates comprise a material having an affinity for the electrolyte. In another alternative, the insulating plates comprise a mixture of a material having an affinity for the electrolyte and polypropylene or polyethylene. Alternatively, the surfaces of the insulating plates are coated with the material or with a surfactant that reduces the surface tension of the electrolyte. | 05-14-2009 |
20090155685 | ENCAPSULATED LITHIUM ELECTROCHEMICAL DEVICE - This lithium electrochemical device includes a stack of layers suitable for constituting a micro-battery deposited on a substrate and encapsulated using a protective cap sealed onto the substrate. It includes two collectors of the current generated by the micro-battery and at least one insulating layer inert as regards lithium. The collectors and the insulating layer or layers are deposited on the substrate. The protective cap is sealed onto the substrate using the layers constituting the current collectors and the insulating layer or layers. The cap has layers of the same nature, positioned in the same order in line with their respective layers deposited on the substrate, so that when the cap is sealed onto the substrate, the respective layers deposited on the cap and on the substrate come into contact with each other to provide the actual seal of the cap on the substrate. | 06-18-2009 |
20090169991 | FLEXIBLE ENVELOPE TYPE BATTERY AND ELECTRICALLY CONDUCTIBLE SEALING STRUCTURE THEREOF AND ASSEMBLING METHOD THEREOF - A flexible-envelope type battery and an electrically conductible sealing structure thereof and an assembling method thereof are provided. The battery includes an electrode pair, a flexible envelope and a pair of electrically conductible sealing structures. Each sealing structure includes a conductive terminal and a fixed member. The conductive terminal includes a bottom board and a protruding block, for conducting an electric current from the electrode pair to the outside. The bottom board is disposed within the flexible envelope and combined with the electrode pair. The protruding block is disposed on the bottom board for passing through and protruding from an upper surface of the flexible envelope. The fixed member is for tightly fixing the flexible envelope and the conductive terminal. | 07-02-2009 |
20090181299 | AA ALKALINE BATTERY - In an AA alkaline battery according to the present invention, the opening of a battery case is sealed with a gasket. In the battery case, a positive electrode, a negative electrode, a separator, and an alkaline electrolyte are provided. The negative electrode contains 4.0 g or more of zinc. The gasket has a hydrogen gas permeability coefficient, per one gasket, in the range from 1.2×110 | 07-16-2009 |
20090181300 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly of a secondary battery includes a cathode including a cathode active material layer, an anode including an anode active material layer, and a ceramic coating layer formed on at least one of surfaces of the cathode and anode that face each other. The ceramic coating layer includes a ceramic powder and a binder. The specific surface area of the ceramic powder is more than 1.5 m | 07-16-2009 |
20090186270 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD FOR PRODUCING THE SAME - A non-aqueous electrolyte battery includes a battery element, a film-form casing member, and a resin protective layer. The battery element includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The film-form casing member contains the battery element and an electrolyte in an enclosed space thereof. The resin protective layer is formed along the surface of the film-form casing member and has a substantially uniform thickness. | 07-23-2009 |
20090233168 | SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a sealed battery for the invention uses an outer can | 09-17-2009 |
20090233169 | BATTERY MODULE AND BATTERY PACK - A battery module provided with a cell which contains an electrode group and a non-aqueous electrolyte and a case including a cell containing portion which contains the cell and a hollow portion which communicates with the cell containing portion and configured so that an outlet is formed in each of a pair of sidewalls thereof which face each other with the hollow portion therebetween. | 09-17-2009 |
20090258291 | DIRECT MANUFACTURED FUEL CELL PLUG AND METHOD - The invention is directed to a direct manufactured fuel cell plug, preferably used with aircraft fuel tanks or bays, comprising a digitally manufactured part, wherein the fuel cell plug is designed to securely fit into and seal an opening to be sealed in a fuel tank to eliminate all substantial gapping between the fuel cell plug and the opening. A sealant material is applied to the fuel cell plug prior to securely fitting and sealing the fuel cell plug into the opening. The invention is further directed to a method for sealing a fuel tank or bay, preferably in an aircraft. The method comprises the steps of applying an adhesive sealant to all faying surfaces of a direct manufactured fuel cell plug, positioning the sealant applied plug into an area to be sealed in the fuel tank, and spraying the entire sealed area with a spray sealant. | 10-15-2009 |
20090258292 | ALKALINE BATTERY AND SEALING UNIT FOR ALKALINE BATTERY - An opening part of a battery casing is sealed by a sealing unit into which a negative electrode terminal plate, a negative electrode current collector joined to the negative electrode terminal plate, and a gasket are integrated. The gasket includes a boss part through which the negative electrode current collector passes, an outer peripheral part in contact with the opening part of the battery casing, and an annular part arranged between the boss part and the outer peripheral part, and a part of the annular part is formed into a thin part serving as a safety valve. The negative electrode current collector has a body diameter of 1.8 mm or smaller and includes at the end part thereof a collar part. The ratio of the outer diameter of the boss part to the outer diameter of the collar part is 4.0 or smaller. | 10-15-2009 |
20090258293 | POUCH TYPE RECHARGEABLE BATTERY - A pouch type rechargeable battery that comprises an electrode assembly comprising a first electrode, a second electrode, and a separator interposed between the first and second electrodes is disclosed. The battery further comprises a pouch case comprising a case cover and a case body that is formed with a space for receiving the electrode assembly therein and a sealing part that is formed around the space. The sealing part comprises side sealing sections where the width of each side sealing section is less than the depth of the space. | 10-15-2009 |
20090263714 | Sealing Gasket for Alkaline Dry Cell - [Problems] A sealing gasket for an alkaline dry cell formed from a 6-12 nylon resin by injection molding, which is inhibited from cracking that occurs at inserting a current collector through a central boss portion of a gasket and thereby reliably reduces occurrence of liquid leakage while retaining the advantages due to the use of the 6-12 nylon resin. | 10-22-2009 |
20090286153 | PLATE ASSEMBLY, CORE AND LITHIUM ION BATTERY - Disclosed are a plate assembly for a battery, a core and a lithium ion battery. The plate assembly comprises a plate, a conductive terminal and a membrane bag, the plate is encapsulated in the membrane bag, an encapsulation line is formed when the membrane bag is encapsulated, and the conductive terminal is disposed at one end of the plate and protruded out of the membrane bag, wherein the encapsulation line has at least two loops around the periphery of the plate. The core comprises the plate assembly of the present invention. The lithium ion battery comprises the core of the present invention. Since the membrane bag included in the plate assembly of the present invention is encapsulated by at least two loops of encapsulation line around the periphery of the plate, the membrane bag can be encapsulated tightly, which can prevent effectively the membrane bag from being cracked, and prevent the short circuit from being occurred due to the contact of the positive and negative plates, and thereby effectively improves the mechanical impact resistance of the battery. | 11-19-2009 |
20100015523 | NON-AQUEOUS LITHIUM SECONDARY BATTERY CONTAINING HYDROPHOBIC, INACTIVE PARTICLE - Provided is a non-aqueous lithium secondary battery comprising an electrode assembly composed of a cathode, an anode, and a separator interposed between the cathode and anode, wherein the cathode and anode have an electrode material containing an active material applied on a current collector, a non-aqueous electrolyte containing a lithium salt, hydrophobic inactive-particles (also, referred to as “hydrophobic particles”) included in the electrode material, and a battery case sealing all the constituent components. Upon adding hydrophobic inactive-particles to the electrode material in a non-aqueous lithium secondary battery, absorption and inflow of water into the electrode material during the battery production is effectively inhibited such as to prevent side reactions caused by water inside the battery, thereby exhibiting improvement in the high-temperature storage characteristics of the battery. | 01-21-2010 |
20100021811 | SEALED BATTERY - A sealed battery includes a battery container, a lid body attached to an opening portion of the battery container, and a terminal extraction portion provided on a lid main body of the lid body. The battery container is sealed by joining an opening peripheral edge portion thereof to a peripheral edge portion of the lid body and crimping an electrode terminal inserted into the terminal extraction portion using the terminal extraction portion. At least a part of the terminal extraction portion in which the crimp is formed is constituted by a metallic material having a higher strength than a part of the lid body that is joined to the battery container. | 01-28-2010 |
20100021812 | LITHIUM ION BATTERY OF CRIMPING SHAPE OF INCREASED SAFETY - Disclosed herein is a cylindrical battery constructed in a structure in which a crimp region, at which a cap assembly is mounted to an open upper end of a cylindrical container having an electrode assembly mounted therein, is formed at the upper end of the container, wherein the crimp region is constructed in a structure in which the upper end of the crimp region is gently bent, such that the crimp region surrounds a gasket located at the inside of the crimp region, a bent front end is continuously bent twice to press the gasket, while the bent front end extends inward, such that a radius of curvature (R | 01-28-2010 |
20100028772 | POUCH-TYPE SECONDARY BATTERY HAVING AN NON-SEALING RESIDUE PORTION - Disclosed herein is a secondary battery including an electrode assembly of a cathode/separator/anode structure mounted in a pouch-shaped battery case in a sealed state, wherein a residue portion, which is not sealed (non-sealing residue portion), is defined between a sealing portion of the battery case and the electrode assembly for collecting generated gas, and the non-sealing residue portion is formed by mounting the electrode assembly between upper and lower laminate sheets, at least one of which has a receiving part of a size approximately corresponding to the electrode assembly, sealing three sides of the upper and lower laminate sheets, including two sides where electrode terminals are disposed, among four sides of the upper and lower laminate sheets, injecting an electrolyte in the battery case through the non-sealing portion, and sealing the non-sealing portion such that the resultant sealing portion is spaced a predetermined width from the receiving part. | 02-04-2010 |
20100047687 | SECONDARY BATTERY WITH TOP SEALED PORTION OF IMPROVED STRUCTURE - Disclosed herein is a secondary battery manufactured by mounting an electrode assembly having a cathode/separator/anode structure into a pouch-shaped battery case and thermally welding the electrode assembly to the battery case, wherein a pair of insulative films are attached to opposite major surfaces of each electrode lead, to which electrode taps of the electrode assembly are electrically connected, at regions contacting an upper thermally-welded portion (upper sealed portion) of the pouch-shaped battery case, one of the insulative films (a, b), i.e., the insulative film (a), extends such that the lower end of the insulative film (a) supports a coupled region where the electrode taps are coupled to the electrode lead, and the overlapping length (L) between the insulative films (a, b) is equal to or slightly greater than the height (H) of the upper sealed portion. The secondary battery according to the present invention has the effect of preventing the breakage of the electrode leads due to the movement of the electrode assembly when external forces, such as small vibrations and dropping, are applied to the secondary battery, and, preferably, easily bending the electrode leads such that the PCM is mounted to the secondary battery. | 02-25-2010 |
20100081051 | SEALED BATTERY - The sealed battery of the present invention includes: an electrode assembly | 04-01-2010 |
20100086846 | SEALING GLASS COMPOSITION AND ARTICLE - A sealing glass composition includes from about 10 molar percent to about 30 molar percent barium oxide, from about 15 molar percent to about 30 molar percent aluminum oxide, from about 40 molar percent to about 60 molar percent boron oxide and from about 1 molar percent to about 20 molar percent yttrium oxide. Methods for preparing the sealing glass and a sodium battery cell are also provided. | 04-08-2010 |
20100086847 | Secondary battery - A secondary battery including an electrode assembly, a can accommodating the electrode assembly, a cap assembly sealing the can, and an insulating case interposed between the electrode assembly and the cap assembly and having two facing long side walls and two facing short side walls, wherein the two facing long side walls include opposing end portions and opposing central portions, the opposing end portions and the opposing central portions each include outer surfaces and a distance between the outer surfaces of the opposing end portions of the long side walls is greater than a distance between the outer surfaces of the opposing central portions of the long side walls. | 04-08-2010 |
20100092862 | POSITIVE ELECTRODE FOR ALKALINE STORAGE BATTERY - A positive electrode for an alkaline storage battery is disclosed, comprising a conductive base material and an active material layer attached to the base material, the active material layer comprising an active material and a binder, the binder comprising an elastic copolymer comprising one or more tetrafluoroethylene units and one or more propylene units. | 04-15-2010 |
20100112436 | PACKAGED BATTERY, STACKED BATTERY ASSEMBLY, AND FILM-COVERED BATTERY - A packaged battery, an assembled battery, and a film-covered battery, which can prevent a dangerous state involving a high-pressure gas filled in the film-covered battery while ensuring a sealing reliability, are provided. | 05-06-2010 |
20100119937 | CELL STACK FOR A FLOWING ELECTROLYTE BATTERY - A cell stack ( | 05-13-2010 |
20100143796 | BATTERY ENVELOPING ASSEMBLY AND BATTERY - A battery enveloping assembly and a battery incorporating such an enveloping assembly are disclosed. The enveloping assembly comprises an explosion-proof assembly and an enveloping base. A cavity configured to house the explosion-proof assembly is provided at a center of the enveloping base. A supporting surface configured to support the explosion-proof assembly is provided on the enveloping base at a bottom of the cavity. A first through hole through which an electrode is connected to the explosion-proof assembly is provided in the supporting surface. The explosion-proof assembly is secured inside the cavity in an insulating and sealing manner. A second through hole through which an electrode extends out from the explosion-proof assembly is provided in the enveloping base on a top of the cavity. | 06-10-2010 |
20100178554 | SOLID-STATE BATTERY - A solid-state battery has: a power generation element ( | 07-15-2010 |
20100183915 | ELECTROCHEMICAL CELL AND METHOD OF MANUFACTURING ELECTROCHEMICAL CELL - Provided is an electric double layer capacitor capable of simply connecting a current collector to an external electrode at a low cost and ensuring a sealing property of a container. The electric double layer capacitor includes: a container in which an opening of a concave portion is sealed; an electrolytic solution and a pair of electrode active materials which are accommodated inside the container; and a pair of conductive films which is respectively and electrically connected to the pair of electrode active materials and is formed from a bottom surface of the concave portion to a surface of the container through an opening edge. | 07-22-2010 |
20100190053 | BATTERY INCLUDING BATTERY CASE AND SEALING PLATE - A battery provided by the present invention includes a sealing plate ( | 07-29-2010 |
20100209768 | BATTERY PACK OF LARGE CAPACITY - Disclosed herein is a battery pack including a battery cell, having an electrode assembly mounted in a pouch-shaped battery case made of a laminate sheet including a metal layer and a resin layer and is sealed by thermal welding, mounted in a pack case, wherein the pack case includes a frame member constructed in a structure in which a receiving part for receiving the battery cell is open, opposite side sealing portions of the battery cell are mounted to the frame member such that the opposite side sealing portions cover the opposite sides of the frame member, and a sheathing film is applied to the outer surface of the frame member, to which the battery cell is mounted. | 08-19-2010 |
20100209769 | SEALED-TYPE SECONDARY BATTERY - A sealed-type secondary battery is disclosed. A battery module of a sealed-type secondary battery is formed by heating and fusing a top lid member and an integrated battery container. The integrated battery container is formed with a polymer alloy including a polyphenylene ether resin and a polyolefin resin, and the top lid member or a lateral lid member is formed with a polypropylene-based resin. A nucleating agent is added to the polypropylene-based resin of the top lid member or the lateral lid member, to improve mechanical strength, and the molecular weight is increased to reduce a melt flow rate MFR to approximately the same degree as the polymer alloy. | 08-19-2010 |
20100216016 | BATTERY AND BATTERY PACK - A battery is provided that includes a laminate film having a metal layer and a thermal adhesive resin layer, a battery element which is covered with the laminate film, and leads which are connected to the battery element. The leads are sandwiched between opposing thermal adhesive resin layers, and extend outside the laminate film. The thermal adhesive resin layer has thermal adhesive resin and fine resin fibers. | 08-26-2010 |
20100221601 | ELECTRICAL PART, NONAQUEOUS-ELECTROLYTE CELL, AND LEAD CONDUCTOR WITH INSULATING COATING LAYER AND SEALED VESSEL EACH FOR USE IN THESE - An electrical part comprising a lead conductor and a sealed vessel including a metal layer, the lead conductor extending from the inside of the sealed vessel to the outside, wherein the lead conductor and the sealed vessel are fusion-bonded through a thermal adhesive layer at the sealing portion, and wherein a softening-resistant layer having through holes made in the thickness direction is provided between the lead conductor and the metal layer at the sealing portion. A nonaqueous electrolyte cell comprising an electrode and a nonaqueous electrolyte both enclosed inside the sealed vessel. A sealed vessel and a lead conductor having an insulating coating layer, both of which can be used in the electrical part or the like. | 09-02-2010 |
20100221602 | METHOD FOR MANUFACTURING SEALED BATTERY AND SEALED BATTERY - A method for manufacturing a sealed battery | 09-02-2010 |
20100227216 | LITHIUM ION RECHARGEABLE CELL - A lithium ion rechargeable cell that is constructed by the steps of forming a cell unit ( | 09-09-2010 |
20100227217 | BATTERY - The present invention provides a battery including: a battery case having a bottom, a side wall, and an upper opening; an electrode assembly; an electrolyte; and a sealing plate covering the upper opening of the battery case accommodating the electrode assembly and the electrolyte, the electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, wherein a gasket is interposed between an opening-edge portion of the battery case and the sealing plate, and a first highly-resistive layer is disposed between the opening-edge portion of the battery case and the gasket, or a second highly-resistive layer is disposed between the sealing plate and the gasket. This configuration makes it possible to prevent a short circuit between the battery case and the sealing plate from occurring even when the gasket is broken. | 09-09-2010 |
20100233530 | BATTERY AND BATTERY ENVELOPING ASSEMBLY CONVENIENT FOR ASSEMBLY - A battery enveloping assembly and a battery incorporating such an enveloping assembly are disclosed. The enveloping assembly comprises an explosion-proof assembly and an enveloping plate. A casing extends downwardly from the enveloping plate. An external surface of the enveloping plate is provided with a connection portion protruding outwardly relative to the casing. A cavity configured to house the explosion-proof assembly is formed in the casing. A lower portion of the casing is bent inwardly to form a bending portion so as to secure the explosion-proof assembly inside the casing in an insulating and sealing manner. A first through hole through which an electrode is connected to the explosion-proof assembly is provided at a center of the bending portion, and a second through hole through which an electrode extends out from the explosion-proof assembly is provided in the enveloping plate which is disposed on the top of the casing. | 09-16-2010 |
20100248019 | BATTERY GASKET AND ALKALINE BATTERY USING THE SAME - A gasket is made of an injection molded resin integral with a cylindrical boss portion having a through hole in which a current collector is inserted, a rim portion for sealing an opening of a battery case, and a connecting portion for connecting the boss portion and the rim portion, wherein the boss portion has an annular injection portion at an end face thereof, which is a trace of an injection molding gate, a ratio (S | 09-30-2010 |
20100255368 | POUCH TYPE SECONDARY BATTERY WITH IMPROVED SAFETY - Provided is a pouch-type secondary battery including an electrode assembly, electrode tabs extending outward from the electrode assembly, a pouch-type battery case for housing the electrode assembly, first sealing portions for sealing the pouch-type battery case and the electrode tabs, and second sealing portions formed at positions with the exception of electrode tab-positioned sites between the first sealing portions and the electrode assembly. The secondary battery is configured to have a structure such that a channel is formed with electrode tab portions by further sealing inside portions of the electrode tabs with the exception of electrode tab-occupied portions. Such a structure allows for easy unidirectional discharge of gases even when the battery inside reaches a certain level of internal pressure due to evolution of gases and enables previous expectation of the gas discharge direction. Therefore, it is possible to provide a secondary battery with improved safety. | 10-07-2010 |
20100261050 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE COMPOSITE ANODE ACTIVE MATERIAL, AND LITHIUM BATTERY INCLUDING THE COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material, a method of preparing the composite anode active material, and a lithium battery including the lithium battery. According to the method of preparing the composite anode active material, carbon nanotubes are formed on a Si particle without a separate operation of applying a catalyst. Furthermore, high adherence is provided between the Si particle and carbon nanotubes, and therefore the composite anode active material is used as an anode material of the lithium battery. | 10-14-2010 |
20100266895 | HIGH CURRENT THIN ELECTROCHEMICAL CELL AND METHODS OF MAKING THE SAME - A battery including at least one electrochemical cell for generating an electrical current is provided, along with its method of manufacture. In one example, the electrochemical cell is provided on a first substrate and includes an anode and a plurality of cathodes. At least a portion of said anode is located between an adjacent two of said plurality of cathodes. In one example method of manufacture, the electrochemical cell is made via a printing press process. | 10-21-2010 |
20100279171 | PULSE LASER WELDING ALUMINUM ALLOY MATERIAL, AND BATTERY CASE - This aims to provide a pulse laser welding aluminum alloy material, which can prevent the occurrence of an abnormal portion, when an A1000-series aluminum material is welded with a pulse laser, so that a satisfactory welded portion can be homogeneously formed, and a battery case. The pulse laser welding aluminum alloy material is made of an A1000-series aluminum material, and has a viscosity of 0.0016 Pa·s or less in a liquid phase. Alternatively, the pulse laser welding aluminum alloy material has such a porosity generation rate of 1.5 (μm | 11-04-2010 |
20100285353 | ELECTRODE STRUCTURE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode | 11-11-2010 |
20100297495 | Immobilization System For An Electrochemical Cell - An electrochemical cell of an implantable medical device is provided. The electrochemical cell comprises a conductive case and a cover welded to the case to form a hermetically-sealed housing. A cathode is disposed adjacent to a surface of the case within the hermetically-sealed housing and an anode is disposed within the hermetically-sealed housing. An immobilization system is disposed between the anode and the hermetically-sealed housing. The immobilization system is configured to minimize movement of the anode relative to the housing and is adapted to thermally insulate the anode during fabrication of the hermetically-sealed housing. | 11-25-2010 |
20100304212 | HERMETIC SEALING METHOD FOR A BATTERY FILLPORT USING SEALING MEMBER - A method of manufacturing an energy storage device for a medical device that includes creating an aperture in a case. The aperture includes an inner surface. The method also includes introducing an electrolyte into the case through the aperture and moving a sealing member into the aperture. The sealing member includes an outer surface. Furthermore, the method includes sealing the aperture only with the sealing member and creating a substantially hermetic seal between the inner surface of the aperture and the outer surface of the sealing member. | 12-02-2010 |
20100304213 | BATTERY WITH FILLHOLE AND REDUNDANT SEAL - A method of manufacturing an energy storage device for a medical device includes enclosing a cell assembly in a case. The case includes a filling aperture. The filling aperture includes an inner surface that is integral to the case so as to be monolithic. The case is free of a separate fill port tube. Moreover, the method includes introducing an electrolyte into the case through the filling aperture and hermetically sealing the filling aperture to form a first seal of the filling aperture that is free of a filler material. The method additionally includes hermetically sealing the sealing member to the case to form a second seal of the filling aperture. | 12-02-2010 |
20100304214 | SEALED BATTERY - The sealed battery | 12-02-2010 |
20100310928 | RECHARGEABLE BATTERY - A rechargeable battery including a battery cell, and a battery case housing the battery cell, the battery case including a silane-based compound. | 12-09-2010 |
20100310929 | SEALED BATTERY AND PRODUCING METHOD THEREFOR - A sealed battery includes a battery container. The battery container houses an electrode winding body, on which positive and negative electrode plates are wound via separators, together with a non-aqueous electrolytic solution. A positive electrode tab is bonded to a positive current collector ring arranged at an upper side of the electrode winding body. A battery lid to be a positive electrode external terminal is crimped and fixed to the battery container. The battery lid has a diaphragm in which a cleaving valve is formed. A coupling part is bonded to the diaphragm, and a stack lead with a plurality of thin plates being laminated is bonded to the coupling part. In the stack lead, a total sum t of thicknesses of the thin plates is not more than a thickness T of the coupling part. Melting from the stack lead to the coupling part by laser irradiation is optimized. | 12-09-2010 |
20100310930 | POUCH AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a pouch including a first sealing portion wherein an upper sheet and a lower sheet are sealed, and a second sealing portion present in a partial or entire region of the first sealing portion. | 12-09-2010 |
20100330416 | ELECTROLYTE INJECTION AND EXPLOSION PROOF DEVICE FOR USE IN POWER BATTERIES - An electrolyte injection and explosion proof device for use in power batteries includes a cover defining an electrolyte injection hole, a rupture plate detachably disposed on the electrolyte injection hole, and an inner liner pressing the rupture plate on the electrolyte injection hole for sealing the same. The rupture plate detachably mounted on the electrolyte injection hole via pressing or clamping can be readily replaced, so that the power battery can be continuously used when the rupture plate is broken. Additionally, the explosion proof device is mounted on the electrolyte injection hole. The number of holes defined in the cover is reduced and the sealing performance of the power battery is remarkably improved. | 12-30-2010 |
20100330417 | RECHARGEABLE BATTERY WITH ELECTROLYTE INJECTION OPENING SEALING MEMBER - A rechargeable battery having an electrolyte sealing member covering and sealing the electrolyte injection opening. An electrode assembly includes a positive electrode, a negative electrode and a separator wound in a jelly roll configuration. A case houses the electrode assembly. A cap assembly is combined with the case to seal the case, the cap assembly including a positive terminal connected to the positive electrode and a negative terminal connected to the negative electrode. An electrolyte injection opening is formed on the case or the cap assembly. A groove is formed along a periphery of the electrolyte injection opening. An electrolyte sealing member engages the groove. | 12-30-2010 |
20110003197 | Sealing Frame for Use in a Battery - A battery includes at least two sealing frames and at least one cell. The sealing frames include a base body defining an opening wherein the base body includes a first sealing surface embodied to be elastically compressible and positioned against opposite sides of a tapered area of the at least one cell. | 01-06-2011 |
20110003198 | OVERLAYING MEMBER AND FILM-COVERED ELECTRICAL DEVICE - A battery element ( | 01-06-2011 |
20110014515 | LOW MAGNETIC INTERFERENCE BATTERY - A low magnetic interference battery is provided, the battery insertable into a mobile communication device, the mobile communication device comprising a radio interconnected with a microphone and a receiver. The battery comprises a battery portion enabled to provide electrical power to the radio, the battery portion emitting a magnetic field when in operation. The battery further comprises a sealing portion for sealing the battery portion therein such that the battery portion is protected from moisture, the sealing portion comprising a magnetic shield portion arranged relative to the battery portion such that magnetic flux from the battery portion is routed away from the receiver when the battery is in operation in the mobile communication device. | 01-20-2011 |
20110014516 | RECHARGEABLE BATTERY - A rechargeable battery that includes a case made of a laminate sheet; an electrode assembly installed in the case and an electrode terminal that protrudes outside the case and is connected to the electrode assembly. The case includes a receiving unit receiving the electrode assembly and including a first sealing part, and a cover covering the receiving unit and including a second sealing part that is thermally fused to the first sealing part. The first sealing part and the second sealing part include first protrusions and depressions and second protrusions and depressions respectively formed on a portion corresponding at least to the electrode terminal, and the electrode terminal includes third protrusions and depressions respectively corresponding to the first protrusions and depressions and the second protrusions and depressions. | 01-20-2011 |
20110027645 | SEALED TYPE CELL MANUFACTURING METHOD - A cell assembly ( | 02-03-2011 |
20110039154 | BATTERY - A battery is equipped with a case ( | 02-17-2011 |
20110052978 | Secondary battery - A secondary battery including an electrode assembly, a can accommodating the electrode assembly, a cap plate coupled to the can, an electrolyte injection unit including an injection hole penetrating the cap plate and an injection ring protruding from the injection hole, and a stopper to seal the electrolyte injection unit. | 03-03-2011 |
20110052979 | METHOD OF DIRECT ENCAPSULATION OF A THIN-FILM LITHIUM-ION TYPE BATTERY ON THE SUBSTRATE - A method for encapsulating a thin-film lithium-ion type battery, including the steps of: forming, on a substrate, an active stack having as a lower layer a cathode collector layer extending over a surface area larger than the surface area of the other layers; forming, over the structure, a passivation layer including through openings at locations intended to receive anode collector and cathode collector contacts; forming first and second separate portions of an under-bump metallization, the first portions being located on the walls and the bottom of the openings, the second portions covering the passivation layer; and forming an encapsulation layer over the entire structure. | 03-03-2011 |
20110064996 | Secondary battery - A secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator interposed between the positive and negative electrode plates, a can having at least one groove portion on an inner surface thereof, the electrode assembly being inserted into the can through an opening of the can to face the inner surface of the can, a cap assembly configured to seal the opening of the can, and an insulation case positioned in the can between the electrode assembly and the cap assembly, the insulation case including at least one protruding portion inserted into the groove portion of the can. | 03-17-2011 |
20110064997 | IMPACT RESISTANT BATTERY - An impact resistant battery incorporates one or more improvements that are designed to reduce or eliminate the risk of a fire or explosion caused by a projectile impact, electrical short, or otherwise. The battery is also designed to reduce the amount of structural damage caused by a projectile impact. The battery may have a housing that includes a self-sealing ionomer material. The battery may also be filled with materials that suppress flames and/or prevent the internal temperature from reaching an ignition point. | 03-17-2011 |
20110076555 | SECONDARY BATTERY - A secondary battery including: an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate; a can accommodating the electrode assembly and an open end; and a cap assembly to seal the open end of the can. A step difference is formed in an upper end of the can. A supporter settled in the step difference is formed in the cap assembly. A bottom protrusion inserted into the can is formed on a bottom surface of the supporter. Therefore, ignition and explosion are prevented by a short between the electrode plates in accordance with the deformation of the electrode assembly so that the stability of the secondary battery may be improved. | 03-31-2011 |
20110097625 | LITHIUM MICROBATTERY PROVIDED WITH AN ELECTRONICALLY CONDUCTIVE PACKAGING LAYER - A lithium microbattery comprises a packaging thin layer formed by a matrix of polymer material in which metallic particles are dispersed. The packaging thin layer constitutes at least a part of the anodic current collector of the lithium microbattery. The polymer material is advantageously obtained from at least a photopolymerizable precursor material chosen from bisphenol A diglycidylether, bisphenol F butanediol diglycidil ether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. It can also be a copolymer obtained from a homogenous mixture of at least two photopolymerizable precursor materials, respectively acrylate-base, such as diacrylate 1,6-hexanediol and methacrylate, and epoxide-base, for example chosen from bisphenol A diglycidylether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. | 04-28-2011 |
20110117427 | BATTERIES - A battery. A electrode plate assembly is disposed in a casing and includes at least one current collection tab. At least one conductive primer is fit in the current collection tab of the electrode plate assembly and includes an inner threaded portion. At least one sealing cover is connected to the casing. At least one metal washer is disposed between the conductive primer and the sealing cover. At least one first insulation washer is fit on the sealing cover. At least one hollow conductive terminal is riveted to the first insulation washer and metal washer. At least one bolt is fastened to the inner threaded portion of the conductive primer via the hollow conductive terminal, first insulation washer, sealing cover, and metal washer and abuts the hollow conductive terminal. A laser welding treatment is applied between the bolt and the hollow conductive terminal, providing a sealing effect therebetween. | 05-19-2011 |
20110123857 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly having a plurality of first electrodes each including a first coated region coated with a first active material and a first uncoated region having a first alignment opening and a second alignment opening, a plurality of second electrodes each including a second coated region coated with a second active material and a second uncoated region having a third alignment opening and a fourth alignment opening, a separator between each first coated region and each second coated region; and a case housing the electrode assembly, wherein the first alignment openings are substantially aligned with each other, the second alignment openings are substantially aligned with each other, the third alignment openings are substantially aligned with each other, and the fourth alignment openings are substantially aligned with each other. | 05-26-2011 |
20110129727 | SECONDARY BATTERY - A secondary battery including: an electrode assembly including a plurality of first and second electrode plates and a plurality of separators between the first and second electrode plates; a first electrode tab on each of the first electrode plates; a second electrode tab on each of the second electrode plates; a case housing the electrode; and first and second electrode leads at an outer side of the case and electrically coupled to the first and second electrode tabs, respectively, wherein the first and second electrode leads and the first and second electrode tabs are respectively electrically coupled by bolts. | 06-02-2011 |
20110129728 | PROTECTION TAPE AND SECONDARY BATTERY HAVING THE SAME - A protection tape for sealing a sealing portion of a flexible outer casing of a secondary battery includes a base material having a predetermined width and a length larger than the width. An adhesive layer is formed on the base material. A bending portion is formed along a length direction of the base material on one surface of the base material. The bending portion is bent at the joint portion. Multiple knife marks or grooves are formed at the bending portion. | 06-02-2011 |
20110165457 | LITHIUM ACCUMULATOR AND THE METHOD OF PRODUCING THEREOF - A lithium accumulator including at least two three-dimensional electrodes separated by a separator and encased together with an electrolyte, comprising a non-aqueous solution of a lithium salt in an organic polar solvent, into an accumulator body wherein the two electrodes have a minimum thickness of 0.5 mm each, of which at least one electrode comprises a homogenous, compressed mixture of an electron conductive component and an active material, capable to absorb and extract lithium in the presence of electrolyte, wherein the porosity of the pressed electrodes is 25 to 90%, the active material has morphology of hollow spheres with a wall thickness of maximum 10 micrometers, or morphology of aggregates or agglomerates of maximum 30 micrometers in size, while the separator consists of a highly porous electrically insulating ceramic material with open pores and porosity from 30 to 95%. | 07-07-2011 |
20110183196 | SEALED BATTERY AND MANUFACTURING METHOD THEREOF, VEHICLE MOUNTING THE SEALED BATTERY, AND BATTERY MOUNTING DEVICE MOUNTING THE SEALED BATTERY - A sealed battery includes a battery case formed with a liquid inlet, a power generating element contained in the battery case, and a lid member closing the liquid inlet, the peripheral edge of the lid member being welded to the battery case over the entire circumference. The battery further includes a circular groove provided in the outer surface of the battery case and around the entire periphery of the liquid inlet to face the back surface of the lid member, a peripheral portion provided over the entire periphery of a portion in the back surface of the lid member facing the liquid inlet to face the circular groove, and a protrusion partially placed around the liquid inlet between the circular groove and the peripheral portion to form a clearance between the circular groove and the peripheral portion. The space facing the inner surface in a portion melted during welding between the peripheral edge of the lid member and the battery case is continuous to the liquid inlet through a clearance formed by the protrusion between the circular groove and the peripheral portion. | 07-28-2011 |
20110183197 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly; a case housing the electrode assembly; a cap assembly comprising a cap plate that seals the case and has an opening; and a short circuit member including a first short circuit plate extending across the opening, a second short circuit plate spaced from the cap plate and covering the opening, and a third short circuit plate between the first and second short circuit plates. | 07-28-2011 |
20110183198 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a case housing the electrode assembly; and a cap assembly coupled to the case, wherein the cap assembly includes a cap plate sealing the case and having a short circuit opening; a first short circuit plate installed at the short circuit opening of the cap plate; a second short circuit plate on an exterior of the cap plate and spaced from the cap plate to cover the short circuit opening; and a sealing layer between the second short circuit plate and the cap plate. | 07-28-2011 |
20110189536 | SECONDARY BATTERY AND METHOD OF MANUFACTURING SECONDARY BATTERY - A secondary battery including an insulating bag for preventing or substantially preventing a short circuit between an electrode assembly and a case and for improving efficiency in injecting electrolyte, and a method of manufacturing the secondary battery. A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; an insulating bag accommodating the electrode assembly and including an open upper portion and a lower portion having a plurality of electrolyte communication holes; and a case accommodating the electrode assembly and the insulating bag. | 08-04-2011 |
20110200871 | ELECTROCHEMICAL CELL AND PROCESS FOR PRODUCING IT - A process for producing an electrochemical cell includes assembling a cell housing from a plurality of parts, and applying and curing at least one reactive polymer precursor to at least one of the housing parts to seal the housing. | 08-18-2011 |
20110206984 | PRESEALED ANODE TUBE - A pre-sealed anode tube assembly for a sodium-metal-halide energy storage device includes an anode tube and a feed-through current collector assembly at least partially sealed within the anode tube. The pre-sealed anode tube assembly can be independently transported prior to being integrated with a desired sodium-metal-halide energy storage device. | 08-25-2011 |
20110223475 | SEAL STRUCTURE AND ASSOCIATED METHOD - A seal structure is provided for an energy storage device. The seal structure includes a sealing glass joining an ion-conducting first ceramic to an electrically insulating second ceramic, wherein the ion-conducting first ceramic has an anode surface defining an anode compartment and a cathode surface defining a cathode compartment, wherein the sealing glass has an exposed portion, wherein the exposed portion is open to one or more of the anode compartment and the cathode compartment, wherein the exposed portion of the sealing glass is coated with a coating composition comprising one or more of boria, alumina, titania, zirconia, yttria, and ceria. Methods for forming the seal structure and article made therefrom are also provided. | 09-15-2011 |
20110274967 | SEALED BATTERY - A sealed battery provided by this invention has a case ( | 11-10-2011 |
20110287312 | BIOFUEL CELL - Provided is a biofuel cell including: electrodes disposed inside a cell casing; and current collectors exposed to the outside of the cell casing; wherein a part of each of the current collectors is separably put in close contact with the corresponding electrode through an opening provided in the cell casing, in the state of being provided with a leakage preventive section configured to prevent a solution inside the cell casing from leaking out through the opening. | 11-24-2011 |
20110294002 | Case for secondary battery and secondary battery including the same - A case for a secondary battery and a secondary battery including the same, the case including a case body having an interior space therein, the case body having a top opening; a cap plate in the top opening of the case body, the cap plate having a joint surface facing a joint surface of the case body; and a sealing member on the joint surface of at least one of the case body and the cap plate. | 12-01-2011 |
20110305946 | SEALED BATTERY AND METHOD OF PRODUCING SEALED BATTERY - Provided are a sealed battery provided with a safety valve part having a sufficiently large opening area when open, and a method of producing such a sealed battery. The sealed battery is provided with an electric power generating element and a battery case having a safety valve part at a valve forming surface. The safety valve part has a thin-walled portion breaking when the safety valve part becomes open. The thin-walled portion has first to n-th linear thin-walled portions. The first to n-th linear thin-walled portions include an intersecting thin-walled portion. The thin-walled portion is adapted such that the breaking pressure of the intersecting thin-walled portion is lower than the breaking pressure of portions other than the intersecting thin-walled portion. | 12-15-2011 |
20120015243 | SECONDARY BATTERY - A secondary battery includes a can having an open end and housing an electrode assembly; a cap assembly sealing the open end of the can; and an insulating case located between the electrode assembly and the cap assembly, the insulating case comprising folding protrusions protruding from a peripheral surface of the insulating case and oriented such that a first side of the folding protrusion contacts the insulating case and a second side of the folding protrusion contacts the can. | 01-19-2012 |
20120070722 | SEALED SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR - According to one embodiment, a sealed secondary battery is provided with a container body having an opening and accommodating an electrode assembly and an electrolyte, a sealing plate which seals the opening of the container body, the sealing plate having an injection hole which is formed penetrating the sealing. plate and through which the electrolyte is injected into the container body, and a sealing body positioned with an annular vacant space above a surface region of the sealing plate around the injection hole therein and welded at a peripheral edge portion thereof to the sealing plate, thereby sealing the injection hole. | 03-22-2012 |
20120070723 | SEALED SECONDARY BATTERY AND MANUFACTURING APPARATUS AND MANUFACTURING METHOD THEREFOR - According to one embodiment, a manufacturing apparatus for a sealed secondary battery includes a chamber, pressure reduction unit, sealer transfer unit, and welding unit. The chamber accommodates therein a battery container injected with an electrolyte through an injection hole and is hermetically closed. The pressure reduction unit reduces pressure inside the chamber. The sealer transfer unit is configured to mount a sealer for sealing the injection hole on the injection hole of the battery container in the chamber decompressed by the pressure reduction unit. The welding unit is configured to laser-weld the sealer to the battery container by applying a laser beam to the peripheral edge portion of the sealer on the battery container through a laser transmission window formed in one surface of the chamber. | 03-22-2012 |
20120082889 | Containing Electrolyte Leaks - Implementations and techniques for containing electrolyte leaks are generally disclosed. | 04-05-2012 |
20120100421 | SECONDARY BATTERY - Disclosed is a battery | 04-26-2012 |
20120107677 | ENERGY STORAGE DEVICE FLUID APERATURE - An energy storage device may include a housing and a fluid access aperture extending through a sidewall of housing that is used to fill the device with electrolytic fluid. In some examples, the fluid access aperture may define a length extending through the housing that is greater than a major width that extends across a cross-sectional area of the fluid access aperture. In some additional examples, the fluid access aperture may be angled relative to an axis that is substantially orthogonal to the housing. Depending on the situation, such example fluid access apertures may prevent electrolytic fluid from escaping from the energy storage device while the fluid access aperture is being sealed. | 05-03-2012 |
20120115024 | CATHODE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY USING THE SAME - A cathode electrode for lithium-ion secondary battery includes a current collector; and a cathode material layer comprising a bottom layer coated on the current collector and a top layer coated on the bottom layer. The lithium-ion transfer resistance of the active material particles in the bottom layer is smaller than that of the active material particles in the top layer, optimize the concentration polarization occurred in the cathode electrode during discharge, and enabling the lithium-ion secondary battery using the cathode electrode to be improved both in energy density and safety, and be further enhanced in specific capacity. | 05-10-2012 |
20120135301 | Electrochemical Cell Packaging Material - Provided is a packaging material for electrochemical cells which has an identification mark that can be recognized from the outside and that is difficult to forge. The packaging material comprises a multilayer film which has a structure formed by laminating a base layer ( | 05-31-2012 |
20120148914 | WATER-RESISTANT POUCH TYPE SECONDARY CELL - Discussed is a pouch type secondary cell with high water-resistance. The pouch type secondary cell includes a positive electrode, a separation layer, and a negative electrode. Here, the sealing unit of the secondary cell includes steps so that the sealing unit has an outer side thinner than an inner side in thickness. The pouch type secondary cell is advantageous in that the manufacture process can be simplified, the water-resistance and sealing property of sealing portions can be further improved, and the manufacture costs can be reduced. | 06-14-2012 |
20120156553 | LITHIUM ION BATTERY - The present invention provides a lithium ion battery including a battery can, a battery cell received in the battery can, electrolyte filled in the battery can, and a battery cover sealing the battery can. The battery can is formed with a flange portion, and the battery cover is formed with a skirt portion corresponding to the flange portion. The skirt portion of the battery cover tightly wraps the flange portion of the battery can, and the skirt portion and the flange portion wrapped in the skirt portion are tightly wound and bent to the battery can, so as to realize desirable sealing between the battery can and the battery cover. | 06-21-2012 |
20120171559 | BATTERY HOUSING HAVING A SEALING PLATE - The invention relates to a battery housing ( | 07-05-2012 |
20120177984 | Case for Battery and Secondary Battery Including the Case - A case for a battery includes a body including at least four side parts and a first bent part at an edge of at least one of the side parts, the four side parts being arranged to define a volumetric structure having two open ends, a bottom coupled to one of the open ends of the body, and a seal disposed in a space between the first bent part of the body and an edge of the bottom. | 07-12-2012 |
20120177985 | HIGH DURABILITY LITHIUM-ION CELLS - A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation. | 07-12-2012 |
20120202110 | SECONDARY BATTERY CELL AND A BATTERY PACK - According to an embodiment, a nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolytic solution. The nonaqueous electrolytic solution includes LiBF | 08-09-2012 |
20120225349 | Electrolyte-absorbing, Non-permeable Sealing Materials - An engineered thermoplastic sealing member for LiFeS | 09-06-2012 |
20120237820 | ELECTROCHEMICAL DEVICE - An electrochemical device is disclosed. The device comprises a casing having a recess with an opening on a top face of the recess, a lid configured to block the recess of the casing so that the recess is watertight and airtight, a rechargeable and dischargeable storage element and an electrolytic solution enclosed in the recess, and a separate sheet interposed between the first and second electrode sheets, the separate sheet having a higher liquid absorption section interposed between the first and second electrode sheets, and a lower liquid absorption section continuously connected to the higher liquid absorption section, having a liquid absorption smaller than that of the higher liquid absorption section and extending outwardly with respect to the first and second electrode sheets. The lower liquid absorption section has a thickness greater than that of the higher liquid absorption section. | 09-20-2012 |
20120276443 | CELL - A cell in which thermal welding of a laminate packaging is performed so that the thickness of a thermal welded portion including an electrode terminal is larger than that of a thermal welded portion including no electrode terminal. | 11-01-2012 |
20120288749 | ELECTRODE PLATE, METHOD FOR MANUFACTURING THE ELECTRODE PLATE, AND SECONDARY BATTERY HAVING THE ELECTRODE PLATE - An electrode plate of a secondary battery includes an electrode current collector, an active material coated portion on at least one surface of the electrode current collector, and an uncoated portion on the electrode current collector, the uncoated portion including pressed portions extending from a boundary of the active material coated portion and the uncoated portion to a distance on the uncoated portion in a widthwise direction of the electrode current collector. | 11-15-2012 |
20120308878 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - Provided is a large secondary battery including a lamination body in which multiple positive electrode plates, multiple negative electrode plates, and multiple separators are laminated, having a structure in which the lamination body is not shifted. The secondary battery with high reliability and a manufacturing method thereof is provided, in which there is no abnormal state even if an external force such as vibration is applied. Positive electrode plate ( | 12-06-2012 |
20120315533 | SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME - A sealed battery uses an outer can | 12-13-2012 |
20120328933 | SEALING ASSEMBLY OF BATTERY, METHOD OF FABRICATING THE SAME, AND LITHIUM BATTERY - A sealing assembly of a battery, a method for fabricating the sealing assembly and a lithium ion battery are provided. The sealing assembly may comprise: a ceramic ring having a receiving hole; a metal ring fitted over the ceramic ring; and a core column formed in the receiving hole, which comprises a metal-ceramic composite. | 12-27-2012 |
20120328934 | LAMINATE OUTER PACKAGING STORAGE DEVICE - A laminate-packaged electric storage device includes an outer package, an electric storage device element, and an electrolyte solution, the outer package formed by stacking and seal-tight bonding outer package films along a bonding section formed in an outer edge area of the outer package films, the electric storage device element and the electrolyte solution being held in a receiving section formed inside the outer package. A non-bonding section surrounded by the bonding section and communicating with the receiving section is formed in the outer edge area, an opening is formed through at least one outer package film, and a seal section is formed to surround the opening formed in an area of the non-bonding section, the outer package films bonded in the seal section, and the opening formed in the area of the non-bonding section at a position other than a center position. | 12-27-2012 |
20130004835 | BATTERY POUCH SHEET EDGE INSULATION - A multi layer laminate sheet suitable to form a battery pouch is described. The laminate sheet includes a core metal layer, a sealant layer, and an insulating layer. The sealant layer is bonded to one surface of the core metal layer, and the insulating layer is bonded to the other surface of the core metal layer. The insulating layer has a width that is greater than the width of the core metal layer, such that the insulating layer extends past two edges of the core metal layer. When the pouch is formed by folding the laminate sheet, the insulating layer protects the edges of the core metal layer of the laminate sheet from being exposed around the edges or sides of the pouch. Other embodiments are also described and claimed. | 01-03-2013 |
20130052521 | SECONDARY BATTERY - A secondary battery including an electrode assembly; a pouch case accommodating the electrode assembly and including an unsealed part and a sealed part at a wing portion of the pouch case; and an electrode tab including a first side electrically connected to the electrode assembly, and a second side drawn out from the pouch case through the wing portion, and the unsealed part includes a first unsealed part at an outer periphery of the wing portion which is directed toward the second side of the electrode tab, and a second unsealed part at an inner periphery of the wing portion which is directed toward the electrode assembly, and the sealed part is between the first unsealed part and the second unsealed part. | 02-28-2013 |
20130108918 | SEALING PLUG AND ENERGY STORAGE ELEMENT | 05-02-2013 |
20130122357 | EXPLOSION-PROOF SECONDARY BATTERY - An explosion-proof secondary battery includes a shell, an anode cap, a sealing ring, and a separating structure. The shell defines an opening on the top, and the shell comprises a crimping portion extending from the opening; the anode cap is disposed in the opening and latched with the crimping portion; the sealing ring is configured to seal a gap between the anode cap and the crimping portion; and a separating structure is disposed in the gap, and the separating structure resists the sealing ring; wherein the gap is remained when the sealing ring is melted, the anode cap is fixed to the shell by the crimping portion. In the explosion-proof secondary battery, due to the separating structure resisting the sealing ring, there is a gap between the anode cap and the periphery of the crimping portion of the shell, the internal gas of the explosion-proof secondary battery may successfully exhaust from the gap. Therefore, the internal air pressure of the explosion-proof secondary battery is decreased, and the separating structure prevents the explosion-proof secondary from exploding. | 05-16-2013 |
20130122358 | SEALING MATERIAL COMPOSITION FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND SECONDARY BATTERY USING SAME - Disclosed is a sealing material composition for a secondary battery, which is capable of providing a safe sealing layer that exhibits excellent adhesion in the sealing portion, while preventing leakage of the electrolyte solution. Specifically disclosed is a sealing material composition for a secondary battery, which is characterized by containing a diene rubber, a thermoplastic elastomer, carbon and an organic liquid material. The sealing material composition for a secondary battery is also characterized in that the number of coarse particles contained in 3 mL of the composition is 10 or less, said coarse particles having a maximum diameter of 10 μm or more. | 05-16-2013 |
20130136979 | WELDING METHOD INCLUDING CONTINUOUS WAVE WELDING AND PULSE WELDING FOR COMPONENT OF AN IMPLATABLE MEDICAL DEVICE - A component of an implantable medical device may include a first member, a second member, and a composite seam weld formed between the first member and the second member. In some examples, the composite seam weld includes a continuous wave (CW)-welded portion formed using CW welding and a pulse-welded portion formed using pulsed welding. A first end of the pulse-welded portion may partially overlap a first end of the CW-welded portion and may be offset from the first end of the CW-welded portion in a direction substantially perpendicular to a longitudinal orientation of the first end of the CW-welded portion. Techniques for forming composite seam welds are also described. | 05-30-2013 |
20130149601 | SECONDARY BATTERY - A secondary battery may include an electrode assembly, the electrode assembly including first and second electrode plates and a separator interposed between the electrode plates; a battery case, the battery case including an accommodating part and a sealing part formed along an edge of the accommodating part, the accommodating part accommodating the electrode assembly; an insulating member attached to the sealing part, the insulating member covering and insulating the sealing part; and an alignment mark on at least one region of the sealing part, the alignment mark identifying a position on the sealing part at which a predetermined portion of the insulating member is aligned, wherein a non-insulating part of the sealing part extends past the insulating member. | 06-13-2013 |
20130157121 | ELECTROCHEMICAL CELL - A high-quality electrochemical cell is provided that can suppress lowering of charge-discharge efficiency, and that can stably maintain the charge-discharge cycle characteristics over extended time periods. The electrochemical cell includes: a sealing container that includes a base member, and a lid member welded to the base member via a weld layer, the base member and the lid member sealing and defining a storage space in between: and a chargeable and dischargeable electrochemical element housed in the storage space and that includes a positive electrode, a negative electrode, and a separation member impregnated with a nonaqueous electrolytic solution the positive electrode is electrically connected to the base member. The negative electrode is electrically connected to the lid member by being overlaid on the positive electrode via the separation member, and allows cations and/or anions to move between the positive electrode and the negative electrode through the nonaqueous electrolytic solution. The lid member is formed of a metallic material that contains nickel. The negative elect ode has a greater capacitance than the positive electrode, | 06-20-2013 |
20130189568 | SEALING GLASS COMPOSITION AND ARTICLE - A sealing glass composition for providing a glass seal in an electrochemical cell is presented. The sealing glass composition includes boron oxide, aluminum oxide, barium oxide, and zirconium oxide, and the glass composition is substantially free of silicon oxide and titanium oxide. The electrochemical cell incorporating the glass seal is also provided. | 07-25-2013 |
20130189569 | FABRICATING METHOD OF SECONDARY BATTERY - A fabrication method of a secondary battery having excellent electrolyte impregnating characteristics and excellent productivity without fracture of an electrode plate or separation of an active material is disclosed. The fabrication method includes providing a plurality of first electrode plates and second electrode plates and two separators, attaching the plurality of first electrode plates to portions between the two separators, attaching the plurality of second electrode plates to one of the two separators, winding the separators having the plurality of first and second electrode plates to form a wound electrode assembly, removing curved portions of the outermost separators positioned at exterior sides of the first and second electrode plates to form a stacked electrode assembly and accommodating the stacked electrode assembly in a sheath member. | 07-25-2013 |
20130189570 | SECONDARY BATTERY OF NOVEL STRUCTURE - Disclosed herein is a plate-shaped secondary battery configured to have a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case in a sealed state by thermal welding, wherein a protuberance is formed at an outer edge sealed portion of an electrode assembly receiving part of the battery case such that the protuberance protrudes upward and downward from the sealed portion, and the protuberance extends along the outer edge of the electrode assembly receiving part continuously in a curved line or in a straight line in a state in which the protuberance is adjacent to the electrode assembly receiving part. | 07-25-2013 |
20130196222 | BUTTON CELL PROTECTED AGAINST SHORT CIRCUIT - A button cell with a housing includes a cup part and a cover part, which each have a floor region and a lateral surface region adjacent thereto and extending up to a first cut edge. A positive and a negative electrode, separated by a separator, are arranged in the housing. The cup part and the cover part are physically separated and electrically isolated from one another by a film seal, wherein the film seal surrounds the outer side of the cover part in the lateral surface region like a collar and is turned over the cut edge of the cover part inwardly. The film seal in this case forms, together with the separator and the cover part, a closed cavity in which the negative electrode is arranged. | 08-01-2013 |
20130236775 | ALKALINE BATTERY - In an alkaline battery in which a positive electrode | 09-12-2013 |
20130244092 | ELECTRODE MATERIAL FOR BATTERY, ELECTRODE MATERIAL PASTE FOR BATTERY, AND SOLAR CELL USING SAME, STORAGE BATTERY, AND METHOD FOR MANUFACTURING SOLAR CELL - According to one embodiment, an electrode material for a battery includes a tungsten oxide powder or a tungsten oxide composite powder provided with a coating unit containing at least one selected from a metal oxide, silicon oxide, a metal nitride, and silicon nitride. | 09-19-2013 |
20130244093 | METHOD FOR MANUFACTURING BATTERY CELL AND BATTERY CELL MANUFACTURED USING THE SAME - Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case composed of a laminate sheet having a resin layer and a metal layer, which includes; (a) thermally fusing and sealing the periphery of the case except for an end part thereof while the electrode assembly is mounted in the case; (b) introducing the electrolyte through the unsealed end part then sealing the same by thermal fusion; (c) charging and discharging the battery cell to activate the same; (d) puncturing the unsealed part inside the end part to form a through-hole communicating with the inside of the case; and (e) pulling top and bottom faces of the battery case in the opposite direction to each other at the unsealed part to open the same while applying vacuum pressure, to thereby remove the gas generated during activation as well as excess electrolyte. | 09-19-2013 |
20130244094 | LITHIUM STORAGE BATTERY COMPRISING AN IONIC LIQUID ELECTROLYTE - The invention relates to a lithium storage battery comprising at least one electrochemical cell arranged in a tightly sealed packaging. The electrochemical cell is formed by a stack comprising a separator arranged between first and second electrodes. The separator is impregnated by an ionic liquid electrolyte comprising a mixture of a lithium salt, vinyl ethylene carbonate and an ionic liquid of formula C+A− in which C+ represents a cation and A− represents an anion. The first electrode comprises an electrochemically active material and a polymer-based binder chosen from polyacrylic acid (PAA) and sulfonated perfluoropolymers. | 09-19-2013 |
20130244095 | DEGASSING METHOD OF SECONDARY BATTERY USING CENTRIFUGAL FORCE - Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case made of a laminate sheet having a resin layer and a metal layer, which includes: (a) mounting the electrode assembly in the battery case and sealing the periphery of the battery case except for one end part thereof through thermal fusion; (b) introducing the electrolyte through the unsealed end part and sealing the end via thermal fusion; (c) charging-discharging the battery cell to activate the same; (d) transferring gas generated during activation and excess electrolyte to the foregoing end part of the battery cell by centrifugal force; and (e) removing the gas and excess electrolyte from the end part. | 09-19-2013 |
20130266850 | ELECTROCHEMICAL CELL AND METHOD FOR MANUFACTURING SAME - An electrochemical cell ( | 10-10-2013 |
20130316226 | BRAZE COMPOSITIONS, AND RELATED DEVICES - A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes nickel, silicon, boron, and an active metal element. The braze alloy includes nickel in an amount greater than about 50 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided. | 11-28-2013 |
20130330606 | SECONDARY BATTERY OF IMPROVED SAFETY - Disclosed herein is a secondary battery having an electrode assembly mounted in a receiving part of a pouch-shaped battery case, wherein convex parts formed to protrude from the battery case upward are provided at the upper end of the receiving part of the battery case corresponding to electrode tabs of the electrode assembly so as to support coupling portions (V-form regions) between the electrode tabs and corresponding electrode leads against injection pressure of a holt melt resin during injection molding to form a pack case with respect to the secondary battery. | 12-12-2013 |
20140004411 | SEALED BATTERY | 01-02-2014 |
20140017556 | SOFT-PACKAGE LITHIUM BATTERY EDGEFOLD STRUCTURE - The invention discloses a soft-package lithium battery edgefold structure, comprising a side edge of a soft-package lithium battery and a double edgefold folded by using a packing aluminium foil of the cell of the soft-package lithium battery, wherein a glue layer is arranged between the double edgefold and the side edge, one side of the glue layer is glued with the side edge, while the other side of the glue layer is glued with the double edgefold. The invention has the advantages in that edge glue is needless, capable of preventing metal in the position of scrap edge from outleakage, preventing width of the battery cell at a fixed side edge from increasing, and being easier for realization of automatic production than usually applying edge glue. | 01-16-2014 |
20140045050 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a metallic container. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium bis(oxalato)borate (LiBOB). The container houses the electrode assembly and the nonaqueous electrolyte. At least part of the container has positive electrode potential. | 02-13-2014 |
20140045051 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention is a prismatic nonaqueous electrolyte secondary battery with a battery capacity not less than 15 Ah. The nonaqueous electrolyte secondary battery includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium bis(oxalato)borate (LiBOB). The container houses the electrode assembly and the nonaqueous electrolyte. At least part of the container is formed using stainless steel. | 02-13-2014 |
20140065474 | LOW Z-FOLD BATTERY SEAL - A portable electronic device comprises an electromechanical module having an actuator for positioning a mechanical element between first and second positions, and a controller coupled to the electromechanical module. The controller is configured to detect a mechanical event coupling to the electromechanical module, select an actuation signal to position the mechanical element in a safe position between the first and second positions, and transmit the selected signal, such that the mechanical element is positioned in the safe position during the event. | 03-06-2014 |
20140079985 | BATTERY AND ASSEMBLY METHOD - An example includes a method including forming a battery electrode by disposing an active material coating onto a silicon substrate, assembling the battery electrode into a stack of battery electrodes, the battery electrode separated from other battery electrodes by a separator, disposing the stack in a housing, filling the interior space with electrolyte, and sealing the housing to resist the flow of electrolyte from the interior space. | 03-20-2014 |
20140087247 | SEALING MEMBER AND BATTERY COMPRISING THE SAME - A sealing member and a battery comprising the sealing member are provided. The sealing member comprises a sealing part, an operation part having a supporting portion, an operation protrusion disposed on an upper surface of the supporting portion, and a deformable leg depending from a bottom surface of the supporting portion. The sealing member also comprises a connecting part connecting the sealing part and operation part. The sealing part has a maximum diameter greater than that of the connecting part. | 03-27-2014 |
20140106211 | SEALING CASE - A sealing case includes a main body with an opening, the main body including a housing space therein, a cover configured to cover the opening of the main body, a first fastening portion along an outer circumferential portion of the opening of the main body, a second fastening portion on the cover and corresponding to the first fastening portion, and a sealing member interposed between the main body and the cover, the sealing member having a ‘U’ shape and being fitted between the first fastening portion on the main body and a second fastening portion on the cover. | 04-17-2014 |
20140106212 | CATHODE MATERIALS HAVING HIGH ENERGY DENSITY AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME - Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an oxide powder (b2) defined herein and a combination thereof wherein a mix ratio of the two oxide powders (oxide powder (a): oxide powder (b)) is 50:50 to 90:10. The cathode material uses a combination of an oxide powder (a) and 50% or less of an oxide powder (b) which can exert high capacity, high cycle stability, superior storage stability and high-temperature stability, thus advantageously exhibiting high energy density and realizing high capacity batteries. | 04-17-2014 |
20140106213 | ELECTRICAL STORAGE DEVICE ELEMENT AND ELECTRICAL STORAGE DEVICE - A highly-reliable electrical storage device element and electrical storage device, in each of which on predetermined regions of predetermined end surfaces of a laminate forming an electrical storage component, sprayed end surface electrodes each having a high bond strength to the laminate are provided. | 04-17-2014 |
20140127558 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE COMPOSITE ANODE ACTIVE MATERIAL, AND LITHIUM BATTERY INCLUDING THE COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material, a method of preparing the composite anode active material, and a lithium battery including the lithium battery. According to the method of preparing the composite anode active material, carbon nanotubes are formed on a Si particle without a separate operation of applying a catalyst. Furthermore, high adherence is provided between the Si particle and carbon nanotubes, and therefore the composite anode active material is used as an anode material of the lithium battery. | 05-08-2014 |
20140134476 | ENERGY STORAGE DEVICE AND METHOD OF PRODUCING THE SAME - An energy storage device having a container containing an electrolyte includes: a through hole formed in the container, for injecting the electrolyte; a sealing member that covers the through hole; and a full penetration weld portion formed by full penetration welding the sealing member to the container. | 05-15-2014 |
20140147737 | Battery Packaging - In a first embodiment, a pre-formed pouch is provided that includes a plurality of walls joined in order to define an aperture. An assembly may be inserted into the aperture, which may then be sealed. Further, the pre-formed pouch may be fitted to the shape or dimensions of the assembly that will be inserted. In a second embodiment, an assembly may be covered in a plurality of layers of material, such as first layer of plastic, a layer of metal, and then a second layer of plastic. Each of the coverings may be formed by dipping the assembly in plastic or metal (or other material), molding layers around the assembly, coating the assembly in the layers, vapor depositing plastic or metal (or other material) onto the assembly, and/or a combination of these operations. | 05-29-2014 |
20140170473 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, an electrolyte having viscosity of about 1 Pa·s to about 15 Pa·s at a temperature from about 20° C. to about 25° C., a can having an opening on one surface through which the electrode assembly is inserted, the electrode assembly and the electrolyte being accommodated inside the can, and a cap plate that seals the opening of the can. A ratio of the height of the can to a cross-sectional area of the can is from about 12.5% to about 25%. | 06-19-2014 |
20140170474 | RECHARGEABLE BATTERY - A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly that comprises a first electrode plate, a second electrode plate, and a separator interposed between the first and second electrode plates. The battery also includes a can having an opening and accommodating the electrode assembly therein, wherein the can comprises a plurality of corner units, wherein at least one of the corner units is rounded, and wherein the outer radius of curvature of the at least one corner unit is greater than the inner radius of curvature thereof. The battery further includes a cap plate substantially sealing the opening of the can. | 06-19-2014 |
20140186690 | METAL RINGS FOR ACTIVE BRAZING IN SODIUM-BASED THERMAL BATTERIES - The present application provides for metal rings and ceramic collars for active brazing in sodium-based thermal batteries. The metal rings may be outer and inner Ni rings configured for sealing to an alpha-alumina collar via active brazing for use in NaMx cells. The inner and outer Ni metal rings may be sealed to differing portions of the alpha-alumina collar. The portions of the outer and inner Ni rings active brazed to the alpha-alumina collar may define a tapered thickness that reduces internal stresses at the active brazed joints resulting from differing coefficients of thermal expansion between the Ni metal rings and the alpha-alumina collar. The portions of the outer and inner Ni rings and alpha-alumina collar sealed by active brazing, and thereby the active braze joints themselves, may be oriented to control or dictate the stresses on the joints during use. | 07-03-2014 |
20140186691 | CERAMIC COLLARS FOR ACTIVE BRAZING IN SODIUM-BASED THERMAL BATTERIES - The present application provides for ceramic collars and metal rings for active brazing in sodium-based thermal batteries. The ceramic collar may be an alpha-alumina collar configured for active brazing, and thereby sealing, to outer and inner Ni rings for use in NaMx cells. The portions of the alpha-alumina collar active brazed to the outer and inner Ni rings may be outwardly facing and include inwardly extending recesses. The portions of the outer and inner Ni rings active brazed to the outwardly facing portions of the collar may be inwardly facing. The alpha-alumina collar may include a greater coefficient of thermal expansion than each of the outer and inner Ni rings, and the alpha-alumina collar and outer and inner Ni rings may be configured such that a portion of the outer and inner Ni rings is deformed into the inwardly extending recesses of the alpha-alumina collar after active brazing thereof. | 07-03-2014 |
20140186692 | RECHARGEABLE BATTERY - A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having an uncoated region, a case accommodating the electrode assembly therein and an insulation plate disposed on the uncoated region of the electrode assembly. The battery also includes a gasket formed on the insulation plate, wherein the gasket comprises a support supported by and contacting an upper surface of the insulation plate, wherein the support comprises an inner side surface and an outer side surface, and wherein at least one of the inner and outer side surfaces forms an obtuse angle with respect to the upper surface of the insulation plate. The battery further includes a cap assembly contacting the gasket and connected to the uncoated region of the electrode assembly through a lead tab. | 07-03-2014 |
20140220425 | ACCUMULATOR - An accumulator includes a case accommodating an electrode assembly and electrolyte. The case includes a recess, a port, and a cap. The recess extends into a wall of the case. The port extends through the case wall in the recess. The cap is welded to the case wall around the recess to close the recess. | 08-07-2014 |
20140255769 | LITHIUM-ION BATTERY ELECTROLYTE INJECTION HOLE SEALING DEVICE - The present disclosure provides a lithium-ion battery electrolyte injection hole sealing device, the lithium-ion battery electrolyte injection hole sealing device is provided with a through hole corresponding to an electrolyte injection hole of a battery cover, the lithium-ion battery electrolyte injection hole sealing device is a film comprising a polypropylene layer, the lithium-ion battery electrolyte injection hole sealing device is packaged on the electrolyte injection hole and a peripheral area of the electrolyte injection hole of the battery cover by hot melting of the polypropylene layer. Consequently, pollution and corrosion of the electrolyte injection hole and the peripheral area thereof are avoided, so as to improve quality of seal welding of the electrolyte injection hole. | 09-11-2014 |
20140287299 | Heat-Debonding Adhesives - A heat-debonding adhesive member is provided. The heat-debonding adhesive member attaches electronic device components such as a battery and a housing together. The heat-debonding adhesive includes a heat-generating layer that generates heat for debonding structures that are attached together using the adhesive member. The heat-generating layer includes a conductive layer that generates heat when a current flows through the conductive layer. The heat-debonding adhesive includes additional adhesive layers such as a voided polymer film having air-filled voids and one or more pressure-sensitive adhesive layers. A debonding tool provides current to conductive contacts on the conductive layer for generating heat in the heat-generating layer when it is desired to debond the structures that are attached together using the adhesive member. | 09-25-2014 |
20140287300 | SEALED SECONDARY BATTERY AND MANUFACTURING METHOD OF SEALED SECONDARY BATTERY - According to one embodiment, in a manufacturing method of a sealed secondary battery of the embodiment, a first sealing body, which is configured to seal an opening portion of a lid body to cover the opening portion and is formed into a sheet-like shape by using a metal material, is placed on the lid body, and the first sealing body is welded to the lid body. The sealed secondary battery having the first sealing body welded thereto is charged, and the sealed secondary battery is discharged after the charge. A hole is bored in the first sealing body to form a hole portion after the discharge, a second sealing body is placed to cover the first sealing body, and the second sealing body is welded to the lid body through the first sealing body. | 09-25-2014 |
20140295258 | SEALED SODIUM-BASED THERMAL BATTERIES AND METHODS OF SEALING SAME - The present application provides configurations, components, assemblies and methods for sealing cells of sodium-based thermal batteries, such as NaMx cells. In some embodiments the cells may include an integrated bridge member hermetically sealed to an electrically conductive case and a ceramic collar of the cell to hermetically seal an anodic chamber of the cell. In some embodiments the cells may include the ceramic collar hermetically sealed to an electrolyte separator tube of the cell to hermetically seal the anodic chamber of the cell. In some embodiments the anodic chamber may be defined, at least in part, by the case, integrated bridge member, ceramic collar and electrolyte separator tube. In some embodiments the cells may include a current collector hermetically sealed to the ceramic collar, and a cap member hermetically sealed to the current collector tube to hermetically seal a cathodic chamber of the cell. | 10-02-2014 |
20140295259 | SEALING ARRANGEMENT OF A BATTERY FILLING PORT USING A RIVET - A sealed battery includes a filling hole, and a gasket and a blind rivet that seal the filling hole. A tapered surface that is inclined toward an inside of a battery case is formed around the filling hole of the battery case. The filling hole is sealed by the gasket and the blind rivet by the blind rivet plastic deforming. | 10-02-2014 |
20140308576 | METHOD FOR MANUFACTURING ALL-SOLID-STATE THIN-FILM BATTERIES - Process for fabrication of all-solid-state thin film batteries, said batteries comprising a film of anode materials, a film of solid electrolyte materials and a film of cathode materials, in which:
| 10-16-2014 |
20140356701 | SEALING ASSEMBLY, METHOD FOR PREPARING SEALING ASSEMBLY, AND BATTERY COMPRISING THE SEALING ASSEMBLY - A sealing assembly, a method of preparing the sealing assembly and a battery are provided. The sealing assembly comprises a metal ring having a mounting hole therein; a ceramic ring having a connecting hole therein and disposed in the mounting hole; and a core column disposed in the connecting hole, wherein at least one of an inner circumferential wall surface of the metal ring, an outer circumferential wall surface of the ceramic ring, an inner circumferential wall surface of the ceramic ring and an outer circumferential wall surface of the core column is configured as an inclined surface, and an inclination angle of the inclined surface relative to a vertical plane is about 1 degree to about 45 degrees. | 12-04-2014 |
20140363733 | SEALED BATTERY - A sealed battery including: a container, which is surrounded with container side walls and partitioned into a plurality of cell chambers with a container partition and in which an electrode group including a separator is housed in each of the cell chambers; and a lid including a lid partition to be joined to the container partition. The container partition includes a container-inclined portion diagonally inclined at a higher position than upper ends of the container side walls. The lid partition includes a lid-inclined portion diagonally inclined to conform to the container-inclined portion. A guide portion for aligning a position of the container-inclined portion with the lid-inclined portion is provided to the lid-inclined portion. | 12-11-2014 |
20140363734 | Battery Cell Having Frame and Method for Manufacturing the Same - Provided are a battery cell for a secondary battery and a method for manufacturing the same, and more particulary, a battery cell having a frame, the frame protecting the battery cell. | 12-11-2014 |
20140370372 | Pouch-Type Battery, and Apparatus and Method for Sealing Pouch-Type Battery - Provided are an apparatus and a method for sealing a pouch-type battery. The apparatus for sealing a pouch-type battery includes sealing tools disposed above and below a sealing part of a pouch, respectively, wherein the sealing tools are disposed so that the sealing part is sealed while having a thickness difference. As described above, the sealing part is sealed while having the thickness difference, thereby making it possible to prevent a phenomenon that the sealing part made of polypropylene, or the like, is pushed into the pouch. | 12-18-2014 |
20140370373 | METHOD OF ENCAPSULATING AN ELECTRICAL ENERGY ACCUMULATION COMPONENT AND BATTERY - A method for encapsulating a device, such as an battery, having two opposite and parallel main faces and a peripheral edge, wherein one main face includes an electrical contact zone, includes the steps of retaining the device within an injection chamber of a mold and injecting encapsulation material into the injection chamber to overmold an encapsulation block on the device. The injection chamber is configured to hold a portion of the device, adjacent its peripheral edge, so as to center the device within the injection chamber. The mold includes centering structures that at least partially cover the electrical contact zone. Opposite positioning studs protrude into the injection chamber and bear on the opposite main faces of the device. The resulting packaged device includes an overmolded encapsulation block enveloping the device except for portions covered by the centering structure. | 12-18-2014 |
20140370374 | VARIABLE VOLUME CONTAINMENT FOR ENERGY STORAGE DEVICES - A stacked energy storage device (ESD) has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. Variable volume containment may be used to control the inter-electrode spacing within each cell segment. In some embodiments, one or more dynamic flexible gaskets may be included in each cell segment to seal the electrolyte within the cell segment and to deform in preferred directions. In some embodiments, hard stops may set the inter-electrode spacing of the ESD. | 12-18-2014 |
20140377641 | POUCH TYPE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A pouch type secondary battery and a method of manufacturing the same are disclosed. The pouch type secondary battery includes a pouch type case formed by attaching an upper sheet and a lower sheet, and an electrode assembly received in the pouch type case. A polymer coating layer for improving sealability is further included at an outer side portion of the pouch type case, in which the upper sheet and the lower sheet are attached. | 12-25-2014 |
20150017521 | Energy Storage Device - Provided is an energy storage device including a container with high productivity and satisfactory corrosion resistance. In the energy storage device including the container housing an electrode assembly having a positive electrode and a negative electrode, and electrolyte solution, the container is made of stainless steel including 0.09% by weight or more aluminum and has welded portions and where the stainless steel is welded. | 01-15-2015 |
20150024263 | POUCH BATTERY AND MANUFACTURING METHOD THEREOF - A pouch battery including an electrode assembly, and a pouch case comprising a receiving part accommodating the electrode assembly, wherein corners or vertices of the receiving part are coated with a UV curing agent. | 01-22-2015 |
20150030917 | RECHARGEABLE BATTERY - A battery includes a case accommodating an electrode assembly, the case including an opening at one end and including at least one sidewall, the sidewall having a coupling portion adjacent to the opening, a cap plate that closes the opening, the cap plate having an upper surface, the coupling portion of the sidewall connecting the cap plate to the case, the coupling portion including a top surface of the sidewall, the cap plate overlying a first portion of the top surface of the sidewall, such that the upper surface of the cap plate is entirely above top surface of the sidewall, and a welding bead contacting the cap plate and a second portion of the top surface of the sidewall, the second portion of the top surface being between the first portion and an outer surface of the sidewall. | 01-29-2015 |
20150064550 | PRISMATIC SECONDARY CELL - An object of the present invention is to provide a prismatic secondary cell | 03-05-2015 |
20150072223 | BATTERY CELL FOR ELECTRONIC DEVICE - A battery cell for an electronic device, and an electronic device, the battery cell including an electrode assembly; an outer case accommodating the electrode assembly, the outer case including first and second outer cases that contact each other along edges thereof, wherein the first and second outer cases include a body portion that includes a space for accommodating the electrode assembly therein, and a wing portion on at least a part of an outer circumference of the body portion, the wing portion including at least one through-hole therein; an insulating film is folded along a length direction of the wing portion to surround the wing portion, the insulating film including a hole at a position overlying the at least one through-hole of the wing portion; and a plate-shaped ring-type insulating member around a circumference of the at least one through-hole. | 03-12-2015 |
20150104700 | SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME - Provided is a technique for suppressing welding faults caused in sealing a case of a sealed battery by laser welding. A step for manufacturing a sealed battery having a case sealed by a sealing plug and a sealing plate, which includes a sealing step for fitting the sealing plug into a pouring hole formed in a recess of a lid portion and inserting the sealing plate into the recess, and a welding step for joining the sealing plate to the recess by laser welding. In the sealing step, a heat-insulating member is provided in a minute space defined by the recess, the sealing plug and the sealing plate so as to block at least a part of the boundary portion between the sealing plate and the recess. In the welding step, welding is completed at a position where the heat-insulating member is present in the boundary portion. | 04-16-2015 |
20150132636 | RECHARGEABLE BATTERY AND CASE MANUFACTURING METHOD OF CASE INCLUDING THE SAME - A rechargeable battery capable of preventing rust generation at an opening side of a battery case. The rechargeable battery according to embodiments of the present invention includes: an electrode assembly; a case having an opening and accommodating the electrode assembly; and a cap assembly electrically connected to the electrode assembly, and coupled to an opening side of the case with a gasket interposed therebetween, wherein the opening side of the case includes a trimming end, a gap proximate the trimming end, and a coating layer on an inner surface of the gap proximate the trimming end. | 05-14-2015 |
20150140418 | BATTERY DESIGN AND METHOD OF ASSEMBLY - A monoblock battery assembly including an electrode assembly having at least one positive electrode, at least one negative electrode, one or more insulative sheets between the at least one positive electrode and the at least one negative electrode, and an outermost insulative layer which substantially encases the at least one positive electrode, the at least one negative electrode, and the one or more insulative sheets. A housing having a cavity for receiving the electrode assembly is provided and a cover is sealingly attached to the housing. A bussing is electrically connected to the at least one positive electrode and the at least one negative electrode of the electrode assembly. | 05-21-2015 |
20150140419 | BATTERY DESIGN WITH BUSSING INTEGRAL TO BATTERY ASSEMBLY - A Lithium-Ion monoblock battery assembly including a housing having a cavity for receiving an electrode assembly. Also including a cover sealingly attached to the housing, and a bussing integrally molded with at least one of the housing and the cover. | 05-21-2015 |
20150147639 | PACKING AND SEAL STRUCTURE OF BATTERY MODULE - A packing includes a base part that is attached to a duct, and a seal lip part that extends from the base part toward a battery module to press against the battery module. A first bend portion is provided midway in the seal lip part. A second bend portion is provided in a continuous portion between the base part and the seal lip part. The first bend portion and the second bend portion are bent in a direction opposite to each other. | 05-28-2015 |
20150147640 | SEAL TAPE AND SECONDARY BATTERY USING THE SAME - A seal tape capable of preventing an electrode assembly from moving in a secondary battery, and a secondary battery using the same are disclosed. The seal tape for a secondary battery is attached to the outer surface of the electrode assembly which is received in a battery case, and includes a first adhesive layer having an adhesive surface adhered to the outer surface of the electrode assembly, a second adhesive layer having an adhesive surface at a side opposite to the adhesive surface of the first adhesive layer so as to adhere to an inner surface of the battery case, and a protective layer formed on the second adhesive layer, wherein the protective layer is entirely or partially removed by reating with an electrolyte of the secondary battery. | 05-28-2015 |
20150295213 | LEAKTIGHT BOX FOR ALKALINE BATTERIES - Leaktight box for alkaline electrolyte battery, comprising an assembly of metal plates, where: a first and a second plate overlap in a zone of overlap and are assembled with rivets each comprising a head, a stem and a bulb; the stem of the rivets is deformed in such a way as to occupy in a leaktight manner substantially all of the volume of said holes of the first and second plates; preferably an elastomer seal comprising a material chosen from among a butyl rubber, an ethylene-propylene-diene terpolymer and a nitrile rubber, where said seal is disposed in continuity with the overlap zone in continuous contact with the first and the second plate in such a way as to complete the leaktightness of the box. | 10-15-2015 |
20150303409 | BATTERY PACK - A battery pack includes a can having a curvature and an opening at a side thereof; an electrode assembly accommodated in the can; a cap assembly including a cap plate sealing the opening of the can and an electrode pin in a center of the cap plate; and an insulating case between the electrode assembly and the cap assembly, the insulating case including a first insulating unit and a second insulating unit that are separated from each other. | 10-22-2015 |
20150303413 | CURVED SECONDARY BATTERY - A curved secondary battery including an electrode assembly having a curved shape, and a pouch sealing the electrode assembly. The pouch includes a first sealing sheet on a first surface of the electrode assembly, a second sealing sheet on a second surface of the electrode assembly, the first sealing sheet and the second sealing sheet sealing the electrode assembly, and a wing portion formed on a side of the electrode assembly by bound-together edges of the first sealing sheet and the second sealing sheet. The wing portion includes a body portion bent in a first direction and a reinforcement portion that is continuous with the body portion and is bent in a second direction to overlap the body portion. The second direction may be opposite to the first direction. | 10-22-2015 |
20150311483 | SECONDARY BATTERY METAL TERMINAL COATING RESIN FILM, METHOD FORMANUFACTURING SAME AND BATTERY PACK - A secondary battery metal terminal coating resin film having improved overall performance and capable of securing filling ability, adhesive properties, insulating properties of a lead end portion and shape retention properties of a sealant, a manufacturing method for the same and a battery pack using the secondary battery metal terminal coating resin film in provided in the lead end portion of a tab used for a laminate-type packaging material for a secondary battery. The secondary battery metal terminal coating resin film ( | 10-29-2015 |
20150318517 | RECTANGULAR BATTERY AND RECTANGULAR BATTERY MANUFACTURING METHOD - A battery case of a rectangular battery includes a lid member welded to an opening portion in a main body member. Each opening rounded portion of the opening portion has, in the circumferential direction, a support projecting portion which projects inward over the entire opening rounded portion and which supports the lid member. Meanwhile, in the circumferential direction along an entire opening short side portion, the opening short side portion has a low projecting portion which projects inward at a position lower than the support projecting portion in the depth direction of the main body member. | 11-05-2015 |
20150325822 | FILM-COVERED BATTERY - Provided is a film-covered battery having a film covering material as an exterior body and excellent in long-term reliability. | 11-12-2015 |
20150325833 | BATTERY - A battery includes: a battery case having a case body member and a case lid member having a through hole; a rivet that engages with the through hole; and a gasket. The through hole is hermetically sealed with the gasket interposed between the circumferential outer surface of the case lid member and an outer flange of the rivet. The case lid member is configured such that, in a state wherein a peripheral edge portion connected to an opening end portion of the case body member, the circumferential outer surface is positioned in the axial outward direction such that the circumferential outer surface faces further towards the outer side along the axis line of the through hole than the peripheral edge portion and the opening end portion. | 11-12-2015 |
20150349299 | RECTANGULAR SECONDARY BATTERY - An insulation sheet is disposed between a rectangular housing and an electrode body. A first side wall of the insulation sheet is disposed between a large-area side surface of the rectangular housing and the electrode body. The first side wall includes a first folded portion that is folded along an edge of the first side wall near a sealing plate. The first folded portion extends from an edge of the first side wall near the sealing plate toward a bottom surface of the rectangular housing and is disposed between the large-area side surface and the electrode body in such a way that the first folded portion overlaps the first side wall. | 12-03-2015 |
20150349302 | BATTERY CELL SHRINK-WRAP METHOD AND ASSEMBLY - An example battery cell shrink-wrapping method includes covering a side of a battery cell with a section of a shrink-wrap material. The side interfaces with a cold plate when the battery cell is within a battery pack. | 12-03-2015 |
20150364729 | RECHARGEABLE BATTERY HAVING CORNER FOLDING PORTION - A rechargeable battery includes: an electrode assembly; and a pouch case including a receiving portion accommodating the electrode assembly, and an edge portion at an outer side of the receiving portion, the edge portion including a first bent portion extending in a length direction of the edge portion, a second bent portion extending in a length direction of the edge portion, the first bent portion being bent relative to the second bent portion, and a bent corner folding portion at a corner of the edge portion. | 12-17-2015 |
20150380696 | SEAL RING AND ASSOCIATED METHOD - An article is presented. The article includes a seal ring configured for use in an energy storage device, the seal ring comprising a first portion and a second portion that each include an alumina-based cermet, that comprises a sufficient amount of metal or metal alloy to be weldable, and the cermet comprises a ceramic material selected from a group consisting of silica, yttria, and ytterbia, and the seal ring further comprises a third region intervening between the first portion and the second portion that is sufficiently electrically insulative and of sufficient thickness to electrically isolate the first portion from the second portion. | 12-31-2015 |
20160006004 | GASKET FOR SECONDARY BATTERY - An object is to provide a gasket for a secondary battery having excellent compressive restoration characteristics. A gasket for a secondary battery (particularly for a lithium secondary battery) is a gasket used as an insulation seal of a secondary battery, and is a hot-press and cold-press molded product (particularly, a product which is hot-pressed into a gasket shape under a temperature condition lower than a melting point of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA) that is used by 0° C. to 80° C. and is thereafter cooled under pressure) obtained by hot-pressing a skived sheet obtained by skiving a block-shaped molded body (particularly, a columnar or cylindrical molded body obtained by injecting a PFA raw material into a heated mold to be pressurized and cooling the material under pressure) made of a PFA to be deformed into a gasket shape and thereafter performing cold-pressing on the resultant to fix a shape thereof. | 01-07-2016 |
20160028051 | POUCH-TYPE SECONDARY BATTERY FOR PREVENTING WATER PERMEATION - Disclosed is a pouch-type secondary battery. The pouch-type secondary battery according to the present disclosure includes an electrode assembly comprising a cathode plate and an anode plate and a separator interposed between the cathode plate and the anode plate; and a pouch-type case formed by receiving and packaging the electrode assembly and an electrolyte solution inside, the pouch-type case having a sealing part formed along a circumference thereof, wherein a water permeation prevention member is attached to the entire sealing part formed along the circumference of the pouch-type case by welding. | 01-28-2016 |
20160036012 | BATTERIES COMPRISING A MULITLAYER DIELECTRIC AND SEALING FILM AND METHOD OF MAKING THE BATTERIES - A multilayer dielectric and sealing film is disclosed. The multi-layer dielectric sealing film comprises a layer of dielectric material and at least one layer of sealing material. The multilayer film may be positioned between the current collector tabs and the packaging material of a thin film battery to prevent shorting between the tabs and the edge of a metal foil layer in the packaging material. The multi-layer film also provides additional sealant which can flow around and seal around the terminals. By combining the sealing material and the dielectric material into one multi-layer assembly, manufacturing steps can be eliminated. | 02-04-2016 |
20160036014 | SECONDARY BATTERY - A secondary battery includes an electrode assembly having a curved shape and comprising a first electrode plate, a second electrode plate, and a separator located between the first electrode plate and the second electrode plate, an exterior member comprising a first exterior member on a first surface of the electrode assembly, a second exterior member on a second surface of the electrode assembly, and wings providing a sealing surface by coupling the first exterior member and the second exterior member, and a label covering an outer surface of the exterior member, wherein the label comprises a label body sheet that is attached to the first exterior member, and a plurality of label wings that are folded from a first edge of the label body sheet in a first direction, cover the exterior member from side surfaces of the exterior member to the second exterior member, and have at least one cutting slot. | 02-04-2016 |
20160043354 | SECONDARY BATTERY - A secondary battery includes an electrode assembly; a first pouch including an internal space accommodating the electrode assembly; and a second pouch coupled to at least one part of the first pouch and thermally bonded to at least one part of the first pouch, the first pouch and the second pouch sealing the electrode assembly. The first pouch and the second pouch each includes a body portion contacting the electrode assembly, the body portion comprising a back side, a front side opposite the back side, and two side surfaces between the back side and the front side; and a pair of wing portions respectively protruding from the two side surfaces of the body portion. A width of each of the pair of wing portions varies along the longitudinal direction of the electrode assembly such that the width of a central part of each of the pair of wing portions is greater than the width of either end part of each of the pair of wing portions. | 02-11-2016 |
20160049619 | SECONDARY BATTERY - A secondary battery includes an electrode assembly, a can housing the electrode assembly, the can having a long axis and a short axis, and a cap plate that seals an opening of the can. The can includes a first side surface and a second side surface that face each other so as to correspond to the short axis of the can, the first side surface and the second side surface having a first thickness, a third side surface and a fourth side surface that face each other so as to correspond to the long axis of the can, the third side surface and the fourth side surface having a second thickness, the second thickness being greater than the first thickness, and a bottom surface that is located opposite the opening of the can and contacts the first through fourth side surfaces, the bottom surface having a third thickness. | 02-18-2016 |
20160049623 | RECHARGEABLE BATTERY - According to aspects of embodiments of the present invention, a secondary battery includes: an electrode assembly including: a first electrode plate; a second electrode plate; and a separator between the first electrode plate and the second electrode plate; a can comprising an opening formed on an end of the can to accommodate the electrode assembly; and a cap plate configured to seal the opening of the can, the cap plate including: a first surface; a second surface parallel to the first surface; a third surface coupling the first and second surfaces and having a constant height; and a chamfer at a portion of the first surface which contacts the third surface, wherein the chamfer has a varying tilt. | 02-18-2016 |
20160049625 | THIN POWER STORAGE DEVICE AND PRODUCTION METHOD THEREOF - A power storage device includes a positive electrode part including a first metallic foil layer and a positive electrode active material layer partially laminated on one surface of the first metallic foil layer, a negative electrode part including a second metallic foil layer and a negative electrode active material layer partially laminated on one surface of the second metallic foil layer, and a separator arranged between the positive electrode part and the negative electrode part. The positive electrode active material layer is arranged between the first metallic foil layer and the separator, and the negative electrode active material layer is arranged between the second metallic foil layer and the separator. The peripheral regions of the one surfaces of the first and second metallic foil layers in which the positive and negative electrode active material layers are not formed are joined via a peripheral sealing layer containing a thermoplastic resin. | 02-18-2016 |
20160049682 | SEALING TOOL FOR POUCH TYPE SECONDARY BATTERY - The present invention relates to a sealing tool for a pouch type secondary battery, which seals a pouch provided with an electrode assembly therein, the sealing tool including: a holder elevatably disposed on each of upper and lower sides of the pouch; and a sealing block coupled to the holder to contact the pouch by the elevation of the holder, thereby sealing the pouch. The sealing block and the holder are spaced apart from each other to define a space therebetween. | 02-18-2016 |
20160056416 | ANODES FOR USE IN BIOCOMPATIBLE ENERGIZATION ELEMENTS - Anode formulations and designs for use in biocompatible energization elements are described. In some examples, a field of use for the apparatus may include any biocompatible device or product that requires energization elements. | 02-25-2016 |
20160056417 | BIOCOMPATIBILITY OF BIOMEDICAL ENERGIZATION ELEMENTS - Designs, strategies and methods to improve biocompatibility of energization elements are described. In some examples, the biocompatible energization elements may be used in a biomedical device. In some further examples, the biocompatible energization elements may be used in a contact lens. | 02-25-2016 |
20160056419 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery allows gas generated when an aqueous binder is used as a binder of a negative electrode active material to be effectively discharged from the electrode, and has small decrease of the battery capacity despite use over a long period of time. The non-aqueous electrolyte secondary battery has a positive electrode active material layer, a negative electrode active material layer, and a separator. The density of the negative electrode active material layer is 1.4 to 1.6 g/cm | 02-25-2016 |
20160072103 | BATTERY DISPOSED WITHIN GAS FILLED CASE - A battery encased in a noble gas is provided. An outer casing forming an airtight housing contains the battery. At least one noble gas is disposed within the airtight housing in between the battery and the outer casing. The noble gas prevents the battery from lighting on fire when an electrical discharge occurs. | 03-10-2016 |
20160079571 | CURVED SECONDARY BATTERY - A curved secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, a can accommodating the electrode assembly, the can being curved and portions of the can having different thicknesses in a bending direction of the can, the can having an opening in a side thereof that provide a passage for the electrode assembly, and a cap plate sealing the opening of the can. | 03-17-2016 |
20160079575 | SECONDARY BATTERY - A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly and an exterior member accommodating the electrode assembly. The exterior member includes a flexible pouch and a can connected to the pouch and formed of a material having a greater hardness than that of the pouch. | 03-17-2016 |
20160093841 | ENERGY STORAGE DEVICE AND MANUFACTURING METHOD OF THE SAME - There is provided an energy storage device including: an electrode body; a lid portion; and a case main body having a body portion in a shape of a container which is open on one end side and for housing the electrode body inside itself and a sealing portion for surrounding and retaining the lid portion from an outer periphery on the opening side of the body portion, wherein an outside diameter of the sealing portion is smaller than an outside diameter of the body portion. | 03-31-2016 |
20160093919 | Vanadium Solid-Salt Battery - The present disclosure relates to a vanadium solid-salt battery including: a power generating unit including first and second electrode members each containing vanadium, a separator separating the first and second electrode members from each other, and an electrolyte; a first sheet making contact with the first electrode member; a first flat plate-shaped conductive member making surface contact with the first sheet; a second sheet making contact with the second electrode member; a second flat plate-shaped conductive member making surface contact with the second sheet; a third sheet covering the first and second flat plate-shaped conductive members; and a first bonding portion bonding a peripheral portion of the third sheet so that at least portions of the first flat plate-shaped conductive member, the first sheet, the power generating unit, the second sheet and the second flat plate-shaped conductive member are pressure-bonded. | 03-31-2016 |
20160099481 | METHOD FOR MANUFACTURING A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An opening of a packaging member containing a positive electrode, a negative electrode, and a non-aqueous electrolyte solution is temporarily sealed to produce a temporarily sealed battery. The temporarily sealed battery is initially charged so that a negative electrode potential becomes higher than 0.8 V and 1.4 V or lower (versus Li/Li | 04-07-2016 |
20160126556 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative electrode for a rechargeable lithium battery includes a negative current collector; a negative active material layer on the negative current collector; and a negative electrode tab on an uncoated region of the negative current collector, the uncoated region not having a negative active material coated thereon, wherein the negative electrode tab has a three-layered structure of a nickel layer-copper layer-nickel layer. A rechargeable lithium battery includes the negative electrode. | 05-05-2016 |
20160126583 | METHOD OF MANUFACTURING SECONDARY BATTERY, AND SECONDARY BATTERY - In a fixing process, a fixing tape is wound around a first side surface of an electrode body and a second side surface which is a rear surface of the first side surface across a first end surface and a second end surface positioned at both ends of the electrode body in a stacking direction of the electrode body, from an outside of the stacked electrode body. In a stacking process before the fixing process, the electrode body is formed, and at least at a corner in the first and second side surfaces of the electrode body on a downstream side of a direction in which the fixing tape is wound, a protection member which protects the corner is disposed. | 05-05-2016 |
20160149267 | PHOSPHATE-GARNET SOLID ELECTROLYTE STRUCTURE - A composite electrolyte tri-layer structure, including:
| 05-26-2016 |
20160164066 | Electric Storage Device and Method for Manufacturing Electric Storage Device - An electric storage device includes a container which houses an electric generating element, and a sealing plug which seals a liquid injecting hole into which an electrolyte is injected. The liquid injecting hole is provided in a bottom surface of a recessed portion provided to be recessed on one side surface of the container. The sealing plug includes an inserting portion to be inserted into the liquid injecting hole and a fitting portion to be fitted into the recessed portion. At least either a rim portion of the fitting portion or an opening rim portion of the recessed portion is provided with a plurality of plastic deformation portions. In each of n regions (n is an integer of at least 3) into which an outer circumference of the fitting portion or an inner circumference of the recessed portion is equally divided, one or more of the plastic deformation portion(s) is/are arranged, and, in each of regions into which the outer circumference of the fitting portion or the inner circumference of the recessed portion is halved with an arbitrary plastic deformation portion out of the plastic deformation portions set as a starting point, one or more of the plastic deformation portion(s) is/are arranged. An outer circumferential side surface of the fitting portion and an inner circumferential side surface of the recessed portion are welded over an entire circumference. | 06-09-2016 |
20160172638 | BATTERY PACKAGING MATERIAL, BATTERY, AND METHOD FOR PRODUCING SAME | 06-16-2016 |
20160190525 | Electrochemical Cell Packaging Material - This packaging material for electrochemical cells has an identification mark that can be recognized from the outside and that is difficult to forge. The packaging material includes a multilayer film which has a structure formed by laminating a base layer ( | 06-30-2016 |
20160190530 | Waterproof Removable Battery - This invention relates generally to waterproofing of a removable battery configured to prevent seeping of water into the battery component through the use of a rubber waterproof frame. | 06-30-2016 |
20160197315 | BATTERY MODULE AND METHOD FOR MANUFACTURING THE SAME | 07-07-2016 |
20160204391 | MECHANICAL CONDITIONING BY BEAD BLASTING LITHIUM IODINE CELL CASE | 07-14-2016 |
20160204392 | METHOD OF MANUFACTURING PRISMATIC BATTERY CELL USING METAL PLATE | 07-14-2016 |
20160254501 | PRISMATIC BATTERY | 09-01-2016 |
20160380245 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a secondary battery and a method for manufacturing the same. According to an embodiment of the present invention, there is provided a secondary battery, including: an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film; and an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material, wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and a predetermined interval is formed between the pair of forming portions. | 12-29-2016 |
20180026238 | SEALED BATTERIES | 01-25-2018 |
20190148688 | BATTERY INSTALLATION FOR AN AT LEAST PARTIALLY ELECTRICALLY OPERATED MOTOR VEHICLE | 05-16-2019 |
20220140425 | BATTERY CASE FOR SECONDARY BATTERY AND POUCH TYPE SECONDARY BATTERY - To achieve the above objects, a battery case for a secondary battery, the battery case being a pouch type battery case that is configured to accommodate an electrode assembly therein, the electrode assembly including stacked electrodes and separators therein, the battery case according to an embodiment of the present invention including a first cup part and a second cup part each formed as a respective recess extending downward from a top surface of a pouch film; a bridge formed between the first cup part and the second cup part and having a constant width and height; and two complement parts disposed outside of respective first and second longitudinal ends of the bridge, each of the complement parts protruding upward from the top surface of the pouch film. | 05-05-2022 |