Class / Patent application number | Description | Number of patent applications / Date published |
029623200 | Including sealing | 87 |
20080196240 | Glue-free packaging process for slim batteries and products thereof - A glue-free packaging process for slim batteries includes the following steps: providing a frame with side walls. There are embedded slots on the side walls. On one of the side walls, there is a blocking wall and a wedged hook. A first board is provided. First embedded flakes extend from the first board. The first embedded flakes are embedded in the embedded slots and are connected by supersonic so that the first board is fastened onto bottom of the frame. A battery module is provided. The wedged hook is wedged with the top of the circuit board. A second board is provided. Second embedded flakes extend from the second board. The second embedded flakes are embedded in the embedded slots and are connected together by supersonic so that the second board is fastened onto the top of the frame. | 08-21-2008 |
20090025207 | METHOD AND APPARATUS FOR AN IMPLANTABLE PULSE GENERATOR WITH A STACKED BATTERY AND CAPACITOR - The present subject matter includes one embodiment of an apparatus, comprising: a battery including a plurality of flat battery layers disposed in a battery case, the battery case having a planar battery surface which has a battery perimeter; and a capacitor including a plurality of flat capacitor layers disposed in a capacitor case, the capacitor case having a planar capacitor surface which has a capacitor perimeter, the capacitor stacked with the battery such that the planar battery surface and the planar capacitor surface are adjacent, with the capacitor perimeter and the battery perimeter substantially coextensive; a hermetically sealed implantable housing having a first shell and a lid mated to the first shell at a first opening, the first opening sized for passage of the battery, the capacitor, and the programmable electronics, wherein the battery and the capacitor are disposed in the hermetically sealed implantable housing. | 01-29-2009 |
20090038145 | Method for manufacturing a battery pack - A rechargeable battery ( | 02-12-2009 |
20090064487 | METHOD OF MANUFACTURING PRISMATIC BATTERY - A prismatic battery with highly reliable sealing properties and its manufacturing method, wherein a negative collector is welded to one end of an electrode plate group accommodated in a prismatic case, the collector being connected to an electrode pole that functions as the negative electrode terminal, and the electrode pole is fitted into a support cylinder that is provided on an upper lid for closing one open end of the case. An insulating gasket is interposed between an inner periphery of the support cylinder and an outer periphery of the electrode pole, the support cylinder being formed with at least one annular crimped portion that has an arc-shaped longitudinal cross section. | 03-12-2009 |
20090077794 | Method for producing rectangular flat secondary battery - A positive electrode plate and a negative electrode plate are spirally wound with a separator interposed therebetween to form an electrode group | 03-26-2009 |
20090100669 | BATTERY MANUFACTURING METHOD AND APPARATUS - For manufacturing a battery including positive and negative sheet electrodes formed from positive and negative electrode sheets each having active-material-coated portions on opposite surfaces, except for opposite surfaces of one side edge portion, of the sheet and non-active-material-coated portions on the opposite surfaces of the one side edge portion, a method includes: forming a succession of corrugations on each of the sheets, having the coated portions provided thereon, in a longitudinal direction of the sheet; roll-pressing each of the sheets having the corrugations formed thereon; constructing an electrode assembly of the positive and negative sheet electrodes with a separator interposed therebetween; and connecting current collectors to the non-coated portions of the sheet electrodes. | 04-23-2009 |
20090106970 | Lithium-Ion Rechargeable Battery Preparation - A lithium-ion rechargeable battery preparation methods that utilizes a double-injection method to reduce the thickening of the solid electrolyte interface (SEI) membrane caused by electrolyte additives such as lithium bis(oxalato)borate (LiBOB). The method includes injecting a portion of the electrolyte into the battery for the formation process and injecting a second portion of the electrolyte into the battery with the additives after the formation process. | 04-30-2009 |
20090165290 | METHOD OF MAKING BATTERY USING AS CASE WITH ALUMINIUM MULTILAYERED FILMS - A method of manufacturing a cell using a pouch of aluminum multilayered film is disclosed. The pouch of an aluminum multilayered film is used as the outer case of the cell. The method includes: inserting an electrode assembly, which is composed of a negative electrode, separator, and positive electrode, in the pouch; sealing the electrode assembly; and bending the sealed portion of the cell once or twice. Therefore, the present invention can enhance the safety and energy density of the cell. | 07-02-2009 |
20090217513 | Composite compound with mixed crystalline structure - A composite lithium compound having a mixed crystalline structure is provided. Such compound can be formed by heating lithium, iron, phosphorous and carbon sources with a lithium metal compound. The resulting mixed metal crystal can exhibit superior electrical property and is a better cathode material for lithium secondary batteries. | 09-03-2009 |
20090255109 | BATTERIES AND COMPONENTS THEREOF AND METHODS OF MAKING AND ASSEMBLING THE SAME - Exemplary embodiment include method of sealing battery cooling plates, and methods of assembling battery using battery cooling plate racks and a single component including multiple cooling plates an connection portions therebetween. | 10-15-2009 |
20100018035 | FABRICATION METHOD OF BATTERY PACK DEVICE - A fabrication method of battery pack device includes the steps of: preparing a plurality of protection circuit substrates disposed apart from each other in a space of a frame, and supported to the frame via a bridge member; attaching a connector component to a top face side of each of the protection circuit substrates; moving a leading end of a sealing material feeder towards the connector component from a bottom side of the protection circuit substrate and supplying a sealing material to a bottom end of the connector component; infiltrating the sealing material into a gap between the connector component and the protection circuit substrate, along a circumference at the bottom end of the connector component to seal the gap with the sealing material. | 01-28-2010 |
20100024204 | FABRICATION OF LITHIUM SECONDARY BATTERY - A method of fabricating a lithium secondary battery, which improves charge-discharge characteristics, lifespan, and temperature characteristics of the battery and which includes interposing a separator between a positive electrode plate and a negative electrode plate, thus manufacturing an electrode assembly; housing the electrode assembly in a battery case, introducing an additive-containing electrolytic solution, and then sealing the battery case; subjecting the sealed battery case to pre-charging, and then removing gas generated by the pre-charging; subjecting the battery case to formation; and removing gas generated by the formation, wherein the additive is one or more selected from among LiF | 02-04-2010 |
20100037455 | Fuel gas reformer assemblage - A fuel gas-steam reformer assembly, preferably an autothermal reformer assembly, for use in a fuel cell power plant, includes a mixing station for intermixing a relatively high molecular weight fuel and an air-steam stream so as to form a homogeneous fuel-air-steam mixture for admission into a catalyst bed. The catalyst bed includes catalyzed alumina pellets, or a monolith such as a foam or honeycomb body which is preferably formed from a high temperature material such as a steel alloy, or from a ceramic material. The catalyst bed is contained in a shell which is preferably formed from stainless steel or some other high temperature alloy. The shell includes an internal peripheral thermal insulation layer of zirconia (ZrO | 02-18-2010 |
20100050422 | ASSEMBLING METHOD OF SOLID OXIDE FUEL CELL - An assembling method of a solid oxide fuel cell, having a stack structure in which sheet bodies and separators are stacked in alternating layers, includes a stacking step, a sealing step, and a reduction process step. In the sealing step, a laminate in which a crystallized glass material is interposed between the perimetric portions adjacent to each other is heated, so that the crystallization rate of the crystallized glass is increased to 0 to 50%. Accordingly, the perimetric portions adjacent to each other are integrated and sealed, and a room for glass softening is left. In the reduction process step, the laminate is heated, and a reduction gas is supplied into a fuel channel, whereby the reduction process is performed to the fuel electrode layer, and the crystallization rate is increased to 70 to 100%. Thus, the assembly of the fuel cell is completed. | 03-04-2010 |
20100064508 | METHOD OF SEALING A BIPOLAR PLATE SUPPORTED SOLID OXIDE FUEL CELL WITH A SEALED ANODE COMPARTMENT - Methods of sealing a bipolar plate supported solid oxide fuel cell with a sealed anode compartment are provided. The solid oxide fuel cell includes a cathode, an electrolyte, and an anode, which are supported on a metallic bipolar plate assembly including gas flow fields and the gas impermeable bipolar plate. The electrolyte and anode are sealed into an anode compartment with a metal perimeter seal. An improved method of sealing is provided by extending the metal seal around the entire perimeter of the cell between an electrolyte and the bipolar plate to form the anode compartment. During a single-step high temperature sintering process the metal seal bonds to the edges of the electrolyte and anode layers, the metal foam flow field and the bipolar plate to form a gastight containment. | 03-18-2010 |
20100077603 | SEALED CELL AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a sealed cell includes the following steps. A step of producing an iron-based terminal cap, which includes an external terminal projecting toward the outside of the cell, a flange, and a hole in the flange, the hole having a diameter smaller on the inner side than on the outer side of the cell. A step of producing an aluminum-based safety valve, which includes a conductive contact portion projecting toward the inside of the cell, a peripheral portion, and a pin-like projection in the peripheral portion. A step of riveting the projection and the hole together by inserting the projection into the hole and crushing the tip of the projection. A step of welding the terminal cap and the safety valve by applying high-energy radiation to the part of the cap that is in the vicinity of the riveted part. | 04-01-2010 |
20100088885 | Method and apparatus for isolating battery terminals from corrosive elements - A method and apparatus have been developed to precisely position and distribute an adhesive sealant for the purpose of blocking corrosion paths to electrically conducting surfaces on battery terminals. In order to achieve this objective, the present invention makes use of a rectangular-shaped, sealant-packed laminate with a battery post cut-out that is wrapped around and bonded to the terminal by the user at the work site or, alternatively, by the terminal fabricator for first-time use. In either case, corrosion path gateways are blocked on both top and bottom sides of the terminal's post-hole aperture by the act of seating a thusly wrapped terminal on the battery post and depressing the terminal against the battery plane before tightening the securing bolt. Seating the seal-wrapped terminal thusly positions sealant around the battery post base, effectively denying corrosive elements an entrance to electrically-conducting surfaces. | 04-15-2010 |
20100192362 | Split Charge Forming Process for Battery - A split formation method of forming an electrochemical cell includes providing the electrochemical chemical cell with an electrolyte for activation of the cell. A wait period is then conducted without a charge being applied. Thereafter, the cell is initially charged to an amount falling into a predetermined state of charge (SOC) range. After the charge is applied, the cell is stored for an extended period of time in a controlled temperature environment. A degassing procedure may be performed after storage to provide a uniform distance between the electrodes. Upon completion of the storage period a further charge is applied to cell that is higher than the initial charge. The cell is then allowed to stabilize for a predetermined amount of time at a set temperature. | 08-05-2010 |
20100192363 | Triazine Compounds For Removing Acids And Water From Nonaqueous Electrolytes For Electrochemical Cells - A process is provided to produce non-aqueous electrolytic solution for use in batteries having low acid content and low water content. The invention involves removing acids and water from non-aqueous electrolytic solutions typically found in lithium or lithium-ion batteries by using nitrogen-containing compounds such as triazines. After treatment by a triazine such as melamine, the concentrations of acids and water in the electrolytic solutions are substantially decreased. The present invention provides a process to prepare extremely pure electrolytic solutions having low (<20 ppm) concentrations of both water and acids. | 08-05-2010 |
20100218368 | METHOD AND APPARATUS FOR CONCURRENT WELDING AND EXCISE OF BATTERY SEPARATOR - The present subject matter relates to a method which includes positioning a bottom and top polymeric separator sheet on a working surface, with a substantially planar battery anode disposed therebetween; applying a pressure and an electrical current to a cutting and welding tool such that top and bottom polymeric separator sheets are welded into a bag and such that the bag is excised from the top and bottom separator sheets, with the battery anode disposed in the bag; stacking the battery anode and at least one cathode into a battery stack; and disposing the battery stack into a battery case having at least one feedthrough, with a first terminal connected to the battery stack through the at least one feedthrough, and with the battery case filled with an electrolyte, wherein the protrusion is defined by laser cutting the cutting and welding tool, machining the cutting and welding tool, or photochemical etching the cutting and welding tool. | 09-02-2010 |
20100263201 | LAMINATE CELL, ASSEMBLED BATTERY, BATTERY MODULE AND ELECTRIC VEHICLE - A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a positive tab connected to the positive electrode plates through a plurality of positive leads; a negative tab connected to the negative electrode plates through a plurality of negative leads; and a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte. According to the laminate cell, the heat capacity of a portion of the positive tab, onto which a plurality of the positive leads are joined, and the heat capacity of a portion of the negative tab, onto which a plurality of the negative leads are joined, are made larger than that of other portions of the positive tab and the negative tab. | 10-21-2010 |
20100313410 | FABRICATION OF LITHIUM SECONDARY BATTERY - A method of fabricating a lithium secondary battery, which improves charge-discharge characteristics, lifespan, and temperature characteristics of the battery and which includes interposing a separator between a positive electrode plate and a negative electrode plate, thus manufacturing an electrode assembly; housing the electrode assembly in a battery case, introducing an additive-containing electrolytic solution, and then sealing the battery case; subjecting the sealed battery case to pre-charging, and then removing gas generated by the pre-charging; and subjecting the battery case to formation, wherein the additive is one or more selected from among LiF | 12-16-2010 |
20110041324 | ELECTRICAL STORAGE DEVICE AND MANUFACTURING METHOD OF THE SAME - An electrical storage device having a positive electrode, a negative electrode, a lithium electrode, and an electrolyte capable of transferring lithium ion, the lithium electrode is out of direct contact with the negative electrode, and lithium ion is supplied to the negative electrode by flowing a current between the lithium and negative electrode through an external circuit. A method of using the electrical storage device includes using the lithium electrode as a reference electrode, the positive electrode potential and negative electrode potential is measured, and the potential of the positive or negative electrode is controlled during charging or discharging. The potentials of the positive electrode and negative electrode are monitored to easily determine whether deterioration of the electrical storage device is caused by the positive or negative electrode. It is possible to control the device with the potential difference between the negative electrode and reference electrode, using the negative potential. | 02-24-2011 |
20110067229 | ASSEMBLING METHOD FOR BATTERY OUTER CASE FOR RECEIVING A FLAT BATTERY PACK JOINED BY SEAM-ROLLING - An assembling method for a battery outer case including the steps of: molding a metal container main body with notched holes formed beforehand in its body portion for exposing terminals connected to a flat battery pack; receiving a flat battery pack in the metal container main body while fitting the terminals into the notched holes; covering the metal container main body with a metal lid; and superposing an open end portion of a metal container main body and an end portion of the metal lid with each other thereby to join them to each other by double seaming. | 03-24-2011 |
20110072648 | METHOD FOR MANUFACTURING SEALED BATTERY - A sealing plate | 03-31-2011 |
20110094093 | METHOD AND APPARATUS FOR A SELF-ALIGNING POWER SOURCE CASING - By way of example, the present subject matter provides a method, including stacking a plurality of substantially planar electrodes into a stack, in alignment, encapsulating the stack by pressing a first beveled edge of a first cup-shaped housing piece against a second beveled edge of a second cup-shaped housing piece, with the first beveled edge of the first cup-shaped housing piece encouraged into substantially coextensive alignment with the second beveled edge of the second cup-shaped housing piece and joining the first beveled edge of the first cup-shaped housing piece to the second beveled edge of the second cup-shaped housing piece. | 04-28-2011 |
20110146064 | Battery Manufacturing Using Laminated Assemblies - A microporous battery separator may be laminated to electrodes and manipulated through manufacturing on a continuous roll of material. Batteries may be constructed by layering the laminated electrodes and separator into various configurations, including flat and wound cell batteries. The separator may or may not contain a nonwoven or other reinforcement, and may be laminated to the electrodes using several different methods. | 06-23-2011 |
20110197435 | STACK-TYPE LITHIUM-ION POLYMER BATTERY - The present invention provides a stack-type lithium-ion polymer battery wherein: the battery capacity is not being degraded; the generation of the wrinkles and fracture of the separator is being suppressed; the battery has gas releasing paths; the displacement of an electrode stack hardly occurs; and the workability at the time of placing the electrode stack in a package body is improved by fixing the electrode stack. A stack-type lithium-ion polymer battery of the present invention comprises: a cathode | 08-18-2011 |
20110252632 | TAPE APPLICATION MACHINE AND METHOD FOR APPLYING AN ELECTRICALLY NON-CONDUCTIVE TAPE TO A BATTERY CELL - A tape application machine and method are provided. The machine includes a nest device that moves along a linear rail from a first position to a second position. The nest device holds a battery cell therein. The machine further includes a tape application device that dispenses electrically non-conductive tape and applies a first portion of the tape on a first side of the battery cell. The machine further includes a tape bending device that conforms a second portion of the electrically non-conductive tape onto a second side of the battery cell. The machine further includes a tape compression device that compresses the tape on the first and second sides of the battery cell. | 10-20-2011 |
20120060360 | Polymer electrolyte for lithium battery and method for preparing lithium battery using same - The present invention discloses a polymer lithium-ion battery manufacturing method. With the method, first preparing the electrolyte, and then injecting the electrolyte into a battery; after aging and activating the semi-product, processes of evacuating, sealing, and capacity grading are required to complete the battery. In order to overcome the defects of the convention batteries in production and performance, the present invention creatively chooses the polymer with appropriate molecular weight and other functional ingredients for the electrolyte, whereby the safety performance, service lifetime, high and low temperature performance and rate capacity of the batteries are significantly improved, and the battery production according to the present invention is simple and ease to perform. | 03-15-2012 |
20120079713 | MANUFACTURING METHOD OF PRISMATIC SEALED CELL - The present invention aims to provide a method for manufacturing a prismatic sealed cell having a good reliability of sealing. This object is realized with the following configuration. | 04-05-2012 |
20120131793 | METHOD FOR MANUFACTURING A GASKET - A gasket for a bipolar battery comprises a structural part in the shape of a frame having an upper surface and a lower surface, and at least one channel to permit gas passage through the gasket. The structural part may be made from a first material having hydrophobic properties. The gasket further comprises at least a first sealing surface arranged in a closed loop projecting from the upper surface, and at least a second sealing surface arranged in a closed loop projecting from the lower surface. The first and the second sealing surfaces are provided on at least one sealing part, are made from a second material, and the first material of the structural part has a higher elastic modulus than an elastic modulus of the second material of the sealing parts. A bipolar battery and a method for manufacturing a gasket are also disclosed. | 05-31-2012 |
20120151754 | Closure Assembly with Low Vapor Transmission for Electrochemical Cell - A closure assembly for an electrochemical cell including a container and an end assembly sealing an open end of the container in order to minimize mass or weight loss of the cell due to electrolyte vapor transmission is disclosed. The end assembly is provided with a vent member capable of venting a fluid when the pressure within the cell exceeds a predetermined limit; a contact member operatively in electrical contact with a conductive contact of the end assembly and a current collector of an electrode of the cell; and an insulating, polymeric seal member disposed at least between conductive components of the closure assembly having different polarities. In a preferred embodiment, the seal member has a selected dimensional ratio in order to minimize vapor transmission of the electrolyte through the seal member. | 06-21-2012 |
20120159773 | METHOD FOR PRODUCING AN ELECTROCHEMICAL CELL - Method for producing an electrochemical cell ( | 06-28-2012 |
20120216394 | METHOD FOR PRODUCING SOLID ELECTROLYTE BATTERY - A method for producing a solid electrolyte battery that makes it possible to prevent foreign substance attachment to an electrode unit and press the electrode unit uniformly. A method for producing a solid electrolyte battery in which an outer case houses at least one electrode cell that has an electrode unit comprising at least a positive electrode layer, a solid electrolyte layer and a negative electrode layer stacked in this order, the method including the steps of: inserting the electrode cell in the outer case before pressing the electrode cell in a stacking direction in the electrode unit, and pressing the electrode cell from the outside of the outer case in the stacking direction in the electrode unit. | 08-30-2012 |
20120279056 | HEAT SEALING SEPARATORS FOR NICKEL ZINC CELLS - Embodiments are described in terms of selective methods of sealing separators and jellyroll electrode assemblies and cells made using such methods. More particularly, methods of selectively heat sealing separators to encapsulate one of two electrodes for nickel-zinc rechargeable cells having jellyroll assemblies are described. Selective heat sealing may be applied to both ends of a jellyroll electrode assembly in order to selectively seal one of two electrodes on each end of the jellyroll. | 11-08-2012 |
20120291264 | Nitrogen Silylated Compounds As Additives In Non-Aqueous Solutions For Electrochemical Cells - The invention relates to the use of a nitrogen silylated compound as additive in a nonaqueous electrolytic solution. The electrolytic solution is suitable for use in electrochemical cells such as lithium and lithium ion batteries. Batteries using this electrolytic solution have long cycle life and high capacity retention. | 11-22-2012 |
20120317796 | Drying Process For Cost Effective Production Of Li-Accumulators - A method for manufacturing (large format) Lithium Battery packs, comprising the steps of providing one or more electrochemical cells, entering the one or more electrochemical cells into a pouch, partly sealing the pouch with the one or more electrochemical cells, entering the pouch with the one or more electrochemical cells into a drying oven, resting the pouch in the drying oven for a defined time, removing the pouch from the drying oven, transferring the dried pouches to an electrolyte filling station, filling the pouch with electrolyte and sealing the pouch wherein the manufacturing steps are performed under a normal manufacturing environment conditions, and only selected critical manufacturing steps are performed under dry room conditions. | 12-20-2012 |
20120324721 | VACUUM-SEALING-TYPE FLEXIBLE-FILM PRIMARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a flexible-film primary battery includes forming a first conductive carbon layer on a surface-treated inner surface of a first pouch film to form a positive electrode collector, and forming a positive electrode layer on the first conductive carbon layer to form a positive electrode plate. A second conductive carbon layer is formed on a surface-treated inner surface of a second pouch film to form a negative electrode collector, and a negative electrode layer is formed on the second conductive carbon layer to form a negative electrode plate. An adhesion/post-injection polymer electrolyte layer is inserted between the positive electrode plate and the negative electrode plate to manufacture a battery assembly. An electrolyte is injected into the polymer electrolyte layer of the battery assembly. The battery assembly is sealed completely to form a primary battery. | 12-27-2012 |
20130042466 | Method for improving the properties of NiMH batteries - The invention concerns a method of improving the properties of a rechargeable nickel metal hydride battery. The method comprises a step of adding hydrogen peroxide in the alkaline electrolyte right before the closing of a sealed battery. Better performances on positive electrode active material utilization, charge retention at high temperature, and cycle stability are realized through this invention. | 02-21-2013 |
20130067727 | SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME - A sealed battery includes a sealing plate | 03-21-2013 |
20130067728 | SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME - A sealed battery includes a sealing plate | 03-21-2013 |
20130118005 | Separator for cylindrical cells - Separator for cylindrical cell of the outwardly guided type, wherein a sheet material is wound around a mandrel, and starting from the winding step until the insertion of a separator into the cell, an outward support is used that renders the binding of neighboring turns of the separator winding unnecessary, and the separator sheet has an extended portion, with the extension being at least equal to the radius of the separator cylinder, and with this extended portion being wetted with distilled or de-ionized water until the material softens and the winding and the mandrel are rotated and the bottom part is folded back and heat fused to close the separator cylinder. | 05-16-2013 |
20130133185 | THIN FILM BATTERY - The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery. | 05-30-2013 |
20130167363 | Non-aqueous Electrolytic Solutions And Electrochemical Cells Comprising The Same - Non-aqueous electrolyte solutions capable of protecting negative electrode materials such as lithium metal and carbonaceous materials in energy storage electrochemical cells (e.g., lithium metal batteries, lithium ion batteries and supercapacitors) include an electrolyte salt, a non-aqueous electrolyte solvent mixture, an unsaturated organic compound 4-methylene-1,3-dioxolan-2-one or 4,5-dimethylene-1,3-dioxolan-2-one, and other optional additives. The 1,3-dioxolan-2-ones help to form a good solid electrolyte interface on the negative electrode surface. | 07-04-2013 |
20130247364 | MANUFACTURING DEVICE AND MANUFACTURING METHOD FOR BATTERY - According to one embodiment, a manufacturing device for a battery, includes, an electrolyte supply unit which introduces an electrolyte into a cell, a chamber which accommodates the battery cell, a first pressure adjustment unit configured to make a pressure in the battery cell lower than a pressure on the side of the electrolyte supply unit, and a second pressure adjustment unit configured to make a pressure outside the battery cell in the chamber lower than the pressure in the battery cell, thereby increasing the capacity of the battery cell. | 09-26-2013 |
20130255073 | METHOD FOR MANUFACTURING SEALED CELL - A method for manufacturing a sealed cell includes the step of welding the joint between an outer can and a sealing body by applying high-energy radiation. Grooves are formed on the outer peripheral surface of the sealing body and/or a portion of the inner peripheral surface of the outer can, the portion facing the outer peripheral surface of the sealing body, the grooves being communicated with at least one of inside and outside the cell. A groove-forming region is formed of a plurality of the grooves having widths of 70 to 600 μm and spacings of 70 to 600 μm therebetween. The welding step applies the beam so that the deepest part of a melting section formed when the materials of the outer can and of the sealing body are melted by the beam can be located below the upper ends of the grooves forming the groove-forming region. | 10-03-2013 |
20130298388 | POUCH TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - Provided are a pouch type secondary battery capable of preventing corrosion of a metal layer due to exposure of the metal layer to the outside at a distal end of a case thereof, and a method for manufacturing the same. | 11-14-2013 |
20130305524 | METHOD AND SYSTEM FOR MANUFACTURING ELECTRIC CELLS FOR ELECTROCHEMICAL ENERGY STORAGE APPARATUS - Method for producing electric cells for electrochemical energy storage devices, the method of production comprising the following steps: (S | 11-21-2013 |
20130318779 | METHOD FOR SEALING AN IMPREGNATION OPENING OF AN ENERGY STORAGE ASSEMBLY - The invention relates to a method for sealing an impregnation opening of an energy storage assembly including a housing, the opening ( | 12-05-2013 |
20140000101 | METHODS AND APPARATUS TO FORM PRINTED BATTERIES ON OPHTHALMIC DEVICES | 01-02-2014 |
20140013587 | METHOD FOR MAKING LITHIUM ION BATTERY - A method for making lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A first graphene layer is formed on a surface of the cathode material layer to obtain a cathode electrode. A second graphene layer is formed on a surface of the anode material layer to obtain an anode electrode. A separator is applied between the cathode electrode and the anode electrode to form a battery cell. At least one battery cell is then encapsulated in an external encapsulating shell, and an electrolyte solution is injected into the external encapsulating shell. | 01-16-2014 |
20140013588 | METHOD FOR MAKING THIN FILM LITHIUM ION BATTERY - A method for making a thin film lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A cathode current collector is formed on a surface of the cathode material layer to obtain a cathode electrode. The cathode current collector includes a graphene layer. An anode current collector is applied on a surface of the anode material layer to obtain an anode electrode. A solid electrolyte layer is applied between the cathode electrode and the anode electrode, thereby forming a battery cell. Then at least one battery cell is encapsulated in an external encapsulating shell. | 01-16-2014 |
20140020241 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid fixed to the container and closing the pouring hole. The container has a plurality of grooves extending in parallel along the outer edge of the pouring hole, in a predetermined region that surrounds the periphery of the pouring hole, and the sealing lid is provided on the plurality of grooves in such a manner as to close the pouring hole and is fixed to the container. | 01-23-2014 |
20140059847 | MANUFACTURING METHOD OF SEALED BATTERY - The invention provides a manufacturing method of a sealed battery that includes a power generating element, a housing member, a lid member, a collector terminal member, and a first insulating member. This manufacturing method includes compressing the first insulating member with a protruding portion of the lid member. The method includes measuring a position of the lid member and a compression load applied by the lid member, and stopping compressing when a slope of the change in the compression load with respect to the position of the lid member reaches a predetermined value. | 03-06-2014 |
20140090236 | BATTERY CELL OF CURVED SHAPE AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery cell configured such that an electrode assembly of a cathode/separator/anode stack structure is mounted in a changeable cell case in a state in which the electrode assembly is impregnated with an electrolyte, wherein the electrode assembly and the cell case are curved in the same direction on axial vertical sections thereof in a state in which opposite ends of the electrode assembly and opposite ends of the cell case are directed in the same direction about a middle part of the electrode assembly and a middle part of the cell case. When the battery cell is mounted in an electronic device the external shape of which is curved or in an electronic device configured such that a battery mounting region thereof is curved, the tight contact between the battery cell and the electronic device is achieved, thereby maximizing space utilization and thus providing high efficiency. Also, electronic devices having aesthetically pleasing appearance and various designs satisfying liking of consumers are developed using the battery cell. | 04-03-2014 |
20140109397 | HEATED FOLDING OF SEALS IN BATTERY CELLS - The disclosed embodiments relate to the manufacture of a battery cell. The battery cell includes a set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a pouch enclosing the layers, wherein the pouch is flexible. The layers may be wound to create a jelly roll and/or stacked prior to sealing the layers in the flexible pouch. A side fold is also formed in the pouch by producing a target temperature in the range of 55° C. to 75° C. at a side seal of the pouch prior to folding the side seal against the battery cell. | 04-24-2014 |
20140182119 | FILM-CLAD BATTERY AND METHOD OF PRODUCING A FILM-CLAD BATTERY - A joint section where covering films | 07-03-2014 |
20140230240 | METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY - A method of producing a lithium ion secondary battery includes: a first winding process of winding a positive electrode plate ( | 08-21-2014 |
20140245600 | METHOD OF DIRECT RESISTANCE WELDING - SELF BRAZING OF ALUMINUM TO MOLYBDENUM PIN - A direct welding process for joining a current collector to a terminal pin in the construction of electrochemical cells is described. The resistance welding process utilizes increased current combined with an applied force to bond dissimilar metals with a melting temperature differential of preferably more than 500° C. Preferably, the method is used to bond the terminal pin to the cathode current collector. This method of attachment is suitable for either primary or secondary cells, particularly those powering implantable biomedical devices. | 09-04-2014 |
20140298646 | COMPOUND HAVING OLIVINE-TYPE STRUCTURE, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Disclosed is a compound having the olivine structure with which batteries having high capacity, high output, and excellent high rate performance may be produced, as well as a cathode for nonaqueous electrolyte rechargeable batteries produced with this compound, and a nonaqueous electrolyte rechargeable battery provided with this cathode. The present compound is LiFePO | 10-09-2014 |
20140310951 | PHASED INTRODUCTION OF LITHIUM INTO THE PRE-LITHIATED ANODE OF A LITHIUM ION ELECTROCHEMICAL CELL - The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell. | 10-23-2014 |
20140352139 | POWER SOURCE ENCAPSULATION - A method comprising the steps of encapsulating a power source including a set of power terminals in a cover and sealing the power source including the set of power terminals within the cover and inserting a set of conductive contacts through the cover to contact the set of power terminals and provide conductive access to the set of power terminals of the power source from outside the cover without allowing exposure of the power source to an environment outside the cover. | 12-04-2014 |
20140352140 | PRODUCTION METHOD FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - According to the present invention, there is provided a seal step (ST | 12-04-2014 |
20140373342 | METHOD FOR PRODUCING BATTERY - According to one embodiment, a method for producing a battery, includes an injecting, a first sealing, a subjecting to processing including a charge, a releasing gas and a second sealing. In the injecting, an electrolytic solution is injected into a package member including an electrode through an injection port opened in the package member. In the first sealing, the injection port is sealed. In the releasing gas, a vent hole in the package member is opened to release gas contained in the package member from the vent hole. In the second sealing, the vent hole is sealed. | 12-25-2014 |
20150013151 | BATTERY CELL OF ASYMMETRIC STRUCTURE AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery cell configured to have a structure in which an electrode assembly including a separator disposed between a cathode and an anode is mounted in a battery case, wherein an asymmetric structure with respect to a central axis crossing the electrode assembly in plane is formed at a portion of at least one side of the electrode assembly constituting the outer circumference of the electrode assembly. | 01-15-2015 |
20150026969 | BATTERY REINFORCEMENT METHOD - A battery reinforcement method for reinforcing a rectangular battery cell in which a battery element is disposed in a rectangular external packaging, the method includes enclosing the battery element between two rectangular external packaging sheets and sealing the rectangular external packaging sheets with a sealing part that extends along edges of the rectangular external packaging sheets so as to form the rectangular external packaging, and forming a reinforcing part outside of the sealing part on the rectangular external packaging. | 01-29-2015 |
20150074987 | Lithium ion battery capable of being discharged to zero volts - A lithium ion battery particularly configured to be able to discharge to a very low voltage, e.g. zero volts, without causing permanent damage to the battery. More particularly, the battery is configured to define a Zero Volt Crossing Potential (ZCP) which is lower than a Damage Potential Threshold (DPT). | 03-19-2015 |
20150074988 | MICROWAVE DRYING OF LITHIUM-ION BATTERY MATERIALS - A method for making a lithium-ion cell includes depositing an electrode material as a coating on a substrate of the lithium-ion cell, irradiating the deposited electrode material with microwave radiation of varying frequency, wetting the irradiated electrode material with a non-aqueous electrolyte solution, and sealing the wetted electrode material in an air-tight enclosure. | 03-19-2015 |
20150089799 | SECONDARY BATTERY CASE AND METHOD FOR MANUFACTURING SECONDARY BATTERY - Provided are a secondary battery case and a method for manufacturing a secondary battery. The secondary battery case includes a can accommodating an electrode assembly and a top cap sealing an upper opening of the can. The top cap includes a top plate sealing the upper opening of the can, a filling hole passing through the top plate to fill an electrolyte into the can, and a protrusion protruding from the top plate on an upper portion of the filling hole. The protrusion is press-fitted into the filling hole to seal the filling hole. According to the present invention, the protrusion may protrude from the top plate. Thus, the protrusion may be press-fitted into the filling hole and thus broken to seal the filling hole. Therefore, the member for sealing the filling hole may be integrated with the top plate to reduce manufacturing costs and simplify a manufacturing process. | 04-02-2015 |
20150089800 | METHOD OF MANUFACTURING SECONDARY BATTERY - Provided is a method of manufacturing a secondary battery, in which scattering of an electrolyte is prevented while a degassing process is performed to prevent a product from being contaminated due to the scattering of the electrolyte. The method of manufacturing the secondary battery includes performing a formation process on a battery cell including a dead space to generate a gas within the battery cell, closing a piercing tool of a gas removing device to form a through hole in the dead space, thereby discharging the gas within the battery cell through the piercing tool, closing a sealing tool of the gas removing device after the gas is discharged to thermally bond an inner portion of the dead space that is adjacent to an electrode assembly within the battery cell, opening the piercing tool in the state where the sealing tool is closed, and opening the sealing tool after the piercing tool is opened. | 04-02-2015 |
20150135522 | METHOD FOR PRODUCING BATTERY PACK - A method for manufacturing a battery pack comprises a compressing step of stacking a plurality of flat secondary batteries, compressing and fixing in a pressed state of the flat secondary batteries constituting the battery staked member by applying a predetermined pressure in the stacking direction. Further, in the pressed shaping step, a pressing pressure of pressing the spiral electrode assembly is set, such that it is possible to insert the pressed electrode assembly into the outer can, and such that it is possible that the electrode assembly is swollen until the electrode assembly presses against the inner surface of the outer can when the electrode assemblies are swollen by the electrolyte injected into the outer can in the electrolyte injection step, and in the compressing step, the swollen electrode assemblies are pressed through the outer cans by pressing the outer cans of the flat secondary batteries. | 05-21-2015 |
20150318556 | CARBON MONOFLUORIDE IMPREGNATED CURRENT COLLECTOR INCLUDING A 3D FRAMEWORK - One example includes a battery case sealed to retain electrolyte, an electrode disposed in the battery case, the electrode comprising a current collector formed of a framework defining open areas disposed along three axes (“framework”), the framework electrically conductive, with active material disposed in the open areas; a conductor electrically coupled to the electrode and sealingly extending through the battery case to a terminal disposed on an exterior of the battery case, a further electrode disposed in the battery case, a separator disposed between the electrode and the further electrode and a further terminal disposed on the exterior of the battery case and in electrical communication with the further electrode, with the terminal and the further terminal electrically isolated from one another. | 11-05-2015 |
20150325884 | METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A method for producing a non-aqueous electrolyte secondary battery according to the present invention is characterized in that the method comprises the steps of: placing an electrode body into an outer casing, the electrode body having a folded-separator structure or a wound structure in which a positive electrode including a positive-electrode active material and a negative electrode including a negative-electrode active material are stacked with a separator interposed therebetween; placing a non-aqueous electrolyte free of a flame retardant into the outer casing; charging the electrode body by applying a voltage between the positive electrode and the negative electrode placed in the outer casing; placing a flame retardant into the outer casing; and sealing the outer casing, wherein the step of charging is a step of charging the electrode body with the state in which the surface of the positive-electrode active material and the surface of the negative-electrode active material are in contact with the non-aqueous electrolyte substantially free of the flame retardant. | 11-12-2015 |
20150349386 | METHOD FOR MANUFACTURING SEALED BATTERY - Provided is a method for manufacturing a sealed battery, capable of reducing an erroneous determination rate in a leak testing step. The method including the leak testing step for detecting leak of a detection gas introduced into a battery case, includes: an introducing step for introducing the detection gas into the battery case which is temporarily sealed by covering the battery case; and an adjusting step for adjusting at least one of the pressure inside the battery case temporarily sealed and the pressure outside the battery case so that the pressure inside the battery case into which the detection gas has been introduced is lower than the pressure outside the battery case. | 12-03-2015 |
20150372341 | FABRICATION METHOD OF BATTERY - A fabrication method of a battery includes the steps of providing an electrode group, a first sealing film and a second sealing film; bonding a part of a first surface of the first sealing film and a part of a first surface of the second sealing film by thermo-compression to form a sealed chamber, wherein at least one of the first sealing film and the second sealing film has a redundant part located outside the sealed chamber and without being bound by thermo-compression, and a part of the electrode group is disposed in the sealed chamber; and injecting an electrolyte into the sealed chamber. | 12-24-2015 |
20160072149 | AN ELECTRODE PLATE, A METHOD FOR FORMING THE ELECTRODE PLATE, AND A METHOD FOR FORMING A LITHIUM BATTERY CORE CONTAINING ELECTRODE PLATE - An electrode plate having a front surface a large proportion of which is coated with a first coating layer and a back surface a large proportion of which is combined with a second coating layer. The first and second coating layers are respectively combined with a solid-state molecular polyelectrolyte coating layer. The electrode plate is used as a positive electrode plate or negative electrode plate, and the positive and negative electrode plates are alternatively stacked. A solid-state molecular polyelectrolyte coating layer is located between the positive and negative electrode plates. A winding core is formed by alternatively stacking and continuously winding the positive and negative electrode plates, and the formed winding core is used to form a Lithium battery core. The formed Lithium battery core can operate normally under high-temperature and low-temperature environments and has stable performance, so as to ensure a safety use. | 03-10-2016 |
20160087304 | METHOD OF MANUFACTURING SEALED BATTERY - Provided is a method of manufacturing a sealed battery, capable of releasing a gas generated during an initial charge without increasing the number of steps. The method of manufacturing the sealed battery including a battery case having an opening, and a power-generating element stored in the battery case, includes: a step of storing an electrode body in the battery case; a step of pouring an electrolyte solution into the battery case through the opening to turn the electrode body into the power-generating element; a step of temporarily sealing the opening with a temporary sealing member; a step of performing the initial charge of the power-generating element; a step of introducing a detection gas into the battery case through the opening while opening the temporarily sealed opening; and a step of finally sealing the opening with a final sealing member. | 03-24-2016 |
20160104875 | BATTERY CAP ASSEMBLY WITH HIGH EFFICIENCY VENT - A battery cell design is disclosed that provides a predictable pathway through a portion of the cell (e.g., the cell cap assembly) for the efficient release of the thermal energy that occurs during thermal runaway, thereby reducing the chances of a rupture in an undesirable location. Furthermore the disclosed design maintains the functionality of the cell cap as the positive terminal of the cell, thereby having minimal impact on the manufacturability of the cell as well as its use in a variety of applications. | 04-14-2016 |
20160111750 | METHOD FOR MANUFACTURING LAMINATED ELECTRICAL STORAGE DEVICE - A method for manufacturing a laminated electrical storage device, the method including heating an external terminal by a heater that is not in contact with the external terminal and is provided near a portion of the external terminal that extends from a laminate case, and pressing opposed laminate films of the laminate case with a heated thermocompression bonding jig so as to thermocompression-bond each of the opposed laminate films to the external terminal and seal the laminate case. | 04-21-2016 |
20160118698 | Merged Battery Cell with Interleaved Electrodes - A battery having the electrodes of multiple battery cell types are interleaved to prevent thermal runaway by cooling a shorted region between electrodes. The electrodes of each of the battery cell types with a first polarity share a pair of the common electrodes having a second polarity. The electrodes of the multiple battery cell types and the multiple common electrodes are interleaved such that if the electrodes of the multiple battery cell types and the adjacent common electrodes of one or more battery cell types short together, the current within the shorted battery cells is sufficiently small to prevent thermal runaway and the electrodes of the adjacent cells of the other battery cell types of the first polarity and the common electrodes of the second polarity not having short circuits provide heat sinking for the heat generated by the short circuit to prevent thermal runaway. | 04-28-2016 |
20160126509 | PLASMA COATING FOR CORROSION PROTECTION OF LIGHT-METAL COMPONENTS IN BATTERY FABRICATION - A method is disclosed for making a lithium-ion electrochemical cell comprising elements of the lithium-ion electrochemical cell contained within an aluminum alloy or magnesium alloy single-cell container. External surfaces of the container are coated for resistance to water-based corrosion. Rolled or folded layers of anode, cathode, and separator elements of the lithium-ion cell are placed in the aluminum or magnesium alloy container. And, with the placed elements of the lithium-ion cell in the container, and during one or more following steps of a manufacturing assembly process of the lithium-ion cell, an atmospheric pressure plasma stream, initially comprising hexamethyldisiloxane, is applied to external surfaces of the aluminum alloy or magnesium alloy container to form a silicone polymer coating on the surfaces that protects the container from water-based corrosion. The method is useful in forming batteries for automotive vehicles exposed to salt water environments. | 05-05-2016 |
20160141711 | METHOD OF MANUFACTURING RECHARGEABLE BATTERY WITH CURVED SURFACE - A method of manufacturing a rechargeable battery with a curved surface is disclosed. In one aspect, the method includes winding a plurality of electrodes and a separator together so as to form an electrode assembly, wherein the electrode assembly has first and second sides and two lateral ends connected to each other by the first and second sides, and wherein the first side is longer than the second side. The method also includes pressing the electrode assembly so as to bend the electrode assembly, electrically connecting the electrode assembly to a plurality of terminals, and accommodating the electrode assembly within a case. | 05-19-2016 |
20160164145 | LITHIUM BATTERIES UTILIZING NANOPOROUS SEPARATOR LAYERS - Provided are methods of preparing lithium batteries comprising a separator/electrode assembly having one or more current collector layers interposed between first and second electrode layers of the same polarity, wherein the first electrode layer is coated or laminated overlying a separator layer and the separator/electrode assembly is interleaved with an electrode comprising a current collector layer interposed between two electrode layers of opposite polarity to said first and second electrodes. | 06-09-2016 |
20160197316 | METHOD FOR MANUFACTURING BATTERY CELL AND BATTERY MODULE | 07-07-2016 |
20170237044 | METHOD FOR FORMING A POUCH FOR A SECONDARY BATTERY | 08-17-2017 |
20190148683 | Cylindrical Battery Cell Manufacturing Device Comprising Secondary Crimping Mold | 05-16-2019 |