| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429131000 | Having electrode enclosing feature | 80 |
| 20080226976 | Alkaline Electrochemical Cell with Reduced Gassing - Electrochemical cells including a casing or cup for direct electrical contact with a negative electrode or counter electrode and serving as the current collector for the electrode. The casing includes a substrate having a plated coating of an alloy including copper, tin and zinc, the coating having a composition gradient between the substrate and the external surface of the coating wherein the copper content is greater adjacent the substrate than at the external surface of the coating and the tin content is greater at the external surface of the coating than adjacent the substrate. Methods for forming a coated casing and an electrochemical cell including a coated casing are disclosed, preferably including providing an electrode casing with a coating utilizing variable current density plating that reduces discoloration of a surface exposed to the ambient atmosphere. | 09-18-2008 |
| 20090023058 | POUCH-TYPE SECONDARY BATTERY - A pouch-type secondary battery including: an electrode assembly having a first electrode plate, a second electrode plate, and a separator disposed therebetween; and a pouch case including a first case part having a pouch to house the electrode assembly, a second case part disposed over an open end of the pouch, and sealing portions to seal the second case part to the first case part. The sealing portions include wing portions that are bent to cover opposing sides of the pouch, and bent portions that are bent from the wing portions, to cover a bottom surface of the pouch. | 01-22-2009 |
| 20090136836 | Battery Spacer - Described is a lithium-ion battery spacer having a spacer board with two operably coupled apertures disposed therethrough. The operably coupled apertures can be tapered to further facilitate smooth passage of a cathode or anode tab therethrough and secure such tab thereby minimizing tilting or shorting of the tab. Accordingly, the spacer leads to safer and more efficient production of the lithium-ion battery. | 05-28-2009 |
| 20090208832 | Lamination Configurations for Battery Applications Using PVDF Highly Porous Film - A porous material manufactured Polyvinylidene Difluoride, or PVDF may be used in several configurations as a separator material for Lithium Ion and other types of batteries. The PVDF separator may be used with electrodes manufactured from a PVDF substrate for various lamination techniques in various configurations. The PVDF separator may be used in several configurations to enable more active material into a given battery construction, ensure better adhesion between layers, and overall increase the performance and capacity of a battery. | 08-20-2009 |
| 20090208833 | Thin Film Electrochemical Cell for Lithium Polymer Batteries and Manufacturing Method Therefor - An electrochemical cell sub-assembly and a method for manufacturing same. The electrochemical cell sub-assembly includes a current collector sheet having a pair of opposite surfaces and a pair of opposite edges, each surface being coated with a respective layer of electrode material. A layer of polymer electrolyte envelopes both layers of electrode material and one of the pair of edges of the current collector sheet, thereby encapsulating the one edge of the current collector sheet while leaving exposed the other edge of the current collector sheet. | 08-20-2009 |
| 20090325057 | Lithium Secondary Battery and Method for Producing the Same - Disclosed is a method for producing a lithium secondary battery, the method comprising the steps of: (a) distributing or scattering insulating powder partially or totally onto a surface of at least one of a cathode, an anode and a separator; (b) forming an electrode assembly by using the cathode, the anode and the separator; and (c) introducing the electrode assembly into a casing and sealing the casing. A lithium secondary battery obtained from the method is also disclosed. The method for manufacturing a lithium secondary battery, including a step of scattering insulating powder partially or totally onto the surface of a separator or the surface of at least one electrode facing to the separator, significantly reduces generation of an internal short circuit between both electrodes caused by internal or external factors during the assemblage of a battery and generation of low-voltage defects, and thus significantly improves yield of desired batteries. | 12-31-2009 |
| 20100178546 | ELECTROCHEMICAL CELL - An electrochemical cell is provided that includes a housing that is polygonal in cross-section having a plurality of peripherally spaced corners. The electrochemical cell also includes an ion-conducting separator disposed in the housing. The ion-conducting separator has an anode surface defining a portion of an anode compartment and a cathode surface defining a portion of a cathode compartment. The electrochemical cell also includes an anode current collector system comprising at least one biasing component. The biasing component has a span section, a bias section and an interface section. The bias section is in wicking contact with the anode surface of the separator. The number of biasing components in the anode current collector system differs from the number of the peripherally spaced corners. An energy storage device including a plurality of the electrochemical cells in thermal and/or in electrical communication with each other. A method for forming the biasing component is provided. | 07-15-2010 |
| 20100297490 | NON-AQUEOUS ELECTROLYTE BATTERY - According to one embodiment, a non-aqueous electrolyte battery includes an outer package container, a positive electrode housed in the outer package container and having a positive electrode layer containing an active material, a negative electrode housed in the outer package container and having a negative electrode layer containing lithium-titanium oxide, a separator housed in the outer package container and interposed at least between the positive electrode and the negative electrode, and a non-aqueous electrolyte housed in the outer package container. The separator includes a porous layer made of cellulose, a polyolefin, or a polyamide and an inorganic oxide filler dispersed in the porous layer, and has a porosity of 60 to 80% by volume. | 11-25-2010 |
| 20110104550 | ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly for a secondary battery and a secondary battery having the same, the electrode assembly including electrode members disposed in a stack and divided into groups; and a first separator having folded portions disposed between the electrode members, and wound portions extending from the folded portions and wrapped around the groups. | 05-05-2011 |
| 20120040230 | RECHARGEABLE ELECTROCHEMICAL CELL AND METHOD OF MANUFACTURING A RECHARGEABLE ELECTROCHEMICAL CELL - An electrochemical cell includes an outer casing defining at least a portion of an anode electrode chamber, an ionically conducting separator disposed within the outer casing, an inner surface of the separator defining a cathode electrode chamber, a cathode electrode disposed within the cathode chamber, a conductive current collecting body coupled with the cathode electrode, an alkali metal-containing electrolyte disposed in the cathode electrode chamber, and a sealing body coupled with the outer casing and sealing the anode electrode chamber from an external atmosphere disposed outside of the outer casing. The electrolyte supplies alkali metal through the separator to the anode electrode chamber in response to an electric charge applied to the conductive current collecting body. A first content of a gas component in the anode electrode chamber is in the anode electrode chamber in an amount that is less than an amount of a second content of the gas component in ambient air. | 02-16-2012 |
| 20120208066 | METHOD FOR THE PRODUCTION OF AN ELECTRODE STACK - A method for producing an electrode stack ( | 08-16-2012 |
| 20120263993 | ELECTROCHEMICAL DEVICE - Provided is an electrochemical device which is easy to produce and which has excellent characteristics. An electrochemical device includes a first electrode including an aluminum porous body having interconnecting pores and an active material filled into the pores of the aluminum porous body, a separator, and a second electrode, the first electrode, the separator, and the second electrode being stacked, in which a plurality of electrode bodies each including the first electrode, the separator, and the second electrode are stacked without being wound. | 10-18-2012 |
| 20120276435 | METHOD OF FORMING ENCAPSULATED SOLID ELECTROCHEMICAL COMPONENT - A method of forming an encapsulated solid electrochemical component includes stacking a first separator, a solid electrochemical component, and a second separator on an upper surface of a vacuum plate to form an electrochemical component assembly, applying a vacuum to the electrochemical component assembly, and applying a first laser beam around at least part of a circumference of the solid electrochemical component in the electrochemical component assembly while applying the vacuum to melt and bond the first and second separators together. The method also includes applying a second laser beam around the circumference of the solid electrochemical component in the electrochemical component assembly while applying the vacuum. The second laser beam has a second relatively high power compared to the power of the first laser beam such that the first and second separators around the circumference of the solid electrochemical component are cut. | 11-01-2012 |
| 20130011714 | ELECTROCHEMICAL BATTERY AND METHOD OF PREPARING THE SAME - An electrochemical battery including: a housing; a pouch-shaped solid electrolyte disposed in the housing and having an open end; an insulator that is disposed on the open end of the solid electrolyte to cover the open end and includes a plurality of protrusions facing the open end of the solid electrolyte; at least two types of sealants disposed between the solid electrolyte and the insulator and having different glass transition temperatures, respectively; a first electrode material disposed inside the pouch-shaped solid electrolyte; and a second electrode material disposed outside the pouch-shaped solid electrolyte. | 01-10-2013 |
| 20130202942 | MOLTEN SALT BATTERY - A molten-salt battery is provided with rectangular plate-like negative electrodes ( | 08-08-2013 |
| 20140147724 | BATTERY, BATTERY MANUFACTURING METHOD, AND PACKAGED ELECTRODE - The present invention provides a battery capable of suppressing or avoiding degradation of a positive electrode due to heat applied in thermal welding of separators, and of preventing short circuit through the welded portions. A battery ( | 05-29-2014 |
| 20140162108 | LITHIUM BATTERY WITH HERMETICALLY SEALED ANODE - Protected anode architectures provide a hermetic enclosure for an active metal (e.g., alkali metal, such as lithium) anode inside an anode compartment. The compartment is substantially impervious to ambient moisture and battery components such as catholyte (electrolyte about the cathode, and in some aspects catholyte may also comprise dissolved or suspended redox active species and redox active liquids), and prevents volatile components of the protected anode, such as anolyte (electrolyte about the anode), from escaping, while allowing for active metal ion transport between the anode and cathode into and out of the anode compartment. | 06-12-2014 |
| 20140363724 | LEAD-ACID STORAGE BATTERY - In a lead-acid storage battery including a container housing elements formed by alternately layering positive electrode plates and negative electrode plates with deformable separators interposed therebetween, the container includes a narrow portion having a small inside dimension in a width direction intersecting a layered direction of the elements, widths of the respective plates are smaller than the inside dimension in the width direction of the narrow portion of the container, and widths of the separators are greater than or equal to the inside dimension of the narrow portion of the container. | 12-11-2014 |
| 20150311490 | METHOD FOR PRODUCING ELECTRODE/SEPARATOR LAMINATE, AND LITHIUM-ION RECHARGEABLE BATTERY - To provide a method for producing an electrode/separator laminate which, when producing the electrode/separator laminate by subjecting the electrode and separator with adhesive layer to thermocompression bonding, the separator and the electrode can be bonded with adequate adhesion, without detriment to ion conductivity. [Solution] This method for producing an electrode/separator laminate includes a step in which a separator with adhesive layer comprising a porous polyolefin film having an adhesive layer at least on one side, and an electrode which has an electrode active substance layer containing an electrode active substance and an electrode binder, are laminated in such a manner that the adhesive layer and the electrode active substance layer touch one another, and are subsequently subjected to thermocompression. | 10-29-2015 |
| 20150318530 | AQUEOUS ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS - Battery electrode compositions are provided for use in aqueous electrolytes and may comprise, for example, a current collector, active particles, and a conformal, metal-ion permeable coating. The active particles may be electrically connected to the current collector, and provided to store and release metal ions of an active material during battery operation. The conformal, metal-ion permeable coating may at least partially encase the surface of the connected active particles, whereby the conformal, metal-ion permeable coating impedes (i) direct electrical contact of an aqueous electrolyte with the active particles and (ii) aqueous electrolyte decomposition during battery operation. Such electrode compositions and corresponding aqueous batteries may facilitate the incorporation of advanced material synthesis and electrode fabrication technologies, and enable fabrication of high voltage and high capacity aqueous batteries at a cost lower than that of conventional metal-ion battery technology. | 11-05-2015 |
| 20150340676 | INTEGRATED ELECTRODE SEPARATOR ASSEMBLIES FOR LITHIUM ION BATTERIES - The invention relates to integrated electrode separators (IES), and their use in lithium ion batteries as replacements for free standing separators. The IES results from coating an electrode with a fluoropolymer aqueous-based emulsion or suspension, and drying the coating to produce a tough, porous separator layer on the electrodes. The aqueous fluoropolymer coating may optionally contain dispersed inorganic particles and other additives to improve electrode performance such as higher ionic conduction or higher temperature use. The IES provides several advantages, including a thinner, more uniform separator layer, and the elimination of a separate battery component (separator membrane) for a simpler and cost-saving manufacturing process. The aqueous separator coating can be used in combination with a solvent cast electrode as well as an aqueous cast electrode either in two separate process steps, or in a one-step process. | 11-26-2015 |
| 20150372340 | Method and Apparatus for Forming a Wound Structure - A method and apparatus for the production of wound elements. The method comprising: providing a plurality of first electrical web elements; disposing at least one of the first electrical web elements upon a conveying element, wherein a first or second face of the disposed first electrical web elements is disposed in a face to face relationship with the conveying element; providing a plurality of second electrical web elements; disposing at least one of the second electrical web elements upon the conveying element at a predetermined spacing from the disposed first electrical web elements and in a face to face relationship with the conveying element, wherein the predetermined spacing is at least as long as the length of the first electrical web element; and disposing an electrically insulating separator web element in a face to face relationship with the disposed electrical web elements. | 12-24-2015 |
| 20150380706 | METHOD OF MANUFACTURING ELECTRODE-SEPARATOR COMPOSITE, ELECTRODE-SEPARATOR COMPOSITE MANUFACTURED BY THE MANUFACTURING METHOD AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a method of manufacturing an electrode-separator composite: including (S1) coating an electrode active material slurry on at least one surface of an electrode current collector and drying to form an electrode, (S2) coating a polymer solution containing polymer particles on at least one surface of the electrode to form a separator coating layer, and (S3) drying the separator coating layer to form a porous separator, and an electrode-separator composite manufactured by the manufacturing method and a lithium secondary battery comprising the same. | 12-31-2015 |
| 20160072125 | LITHIUM-ION SECONDARY BATTERY - A lithium-ion secondary battery of the present invention contains: a laminated electrode group formed of a rectangular positive electrode; a rectangular negative electrode; and a separator. In such a laminated electrode group, the positive electrode includes a positive electrode current collector foil, and a positive electrode mixture layer containing a positive electrode active material, the negative electrode includes a negative electrode current collector foil, and a negative electrode mixture layer containing a negative electrode active material. The negative electrode active material includes a silicon-based material, and a carbonaceous material. A mass ratio of the silicon-based material and the carbonaceous material is 20:80 to 80:20. The silicon-based material is a Si alloy or SiO | 03-10-2016 |
| 20160093859 | ENERGY STORAGE DEVICE - An energy storage device includes: an electrode having a composite layer formed by applying a composite directly or indirectly onto a substrate and a non-applied portion, onto which the composite is not applied; and a separator layered on the electrode to face the composite layer. Here, a drawn area is formed in at least. a part of the non-applied portion, and an intermediate layer is interposed at least between the drawn area and the composite layer. | 03-31-2016 |
| 20190148761 | Manufacturing Method for Laminated Secondary Battery | 05-16-2019 |
| 429133000 | Cylindrical unit cell type, flat unit cell type or porous cup type | 6 |
| 20090111011 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly and a secondary battery having the same improve efficiency and stability of the secondary battery. The electrode assembly includes: a positive electrode plate having a positive electrode collector on which a positive electrode coating portion and a positive electrode non-coating portion are formed; a negative electrode plate having a negative electrode collector on which a negative electrode coating portion and a negative electrode non-coating portion are formed; a separator disposed between the positive electrode plate and the negative electrode plate; and an insulating member disposed on one side of the positive or negative electrode non-coating portion, and formed adjacent to at least one of the ends of the positive electrode coating portion and/or at least one of the end of the negative electrode coating portion. The electrode assembly at least prevents damage to a separator generated due to non-uniformity of the ends of the electrode coating portion. | 04-30-2009 |
| 20090162746 | BATTERY - A battery comprising a first electrode, a second electrode, a separator interposed between the first electrode and the second electrode, and an electrolyte having lithium ion conductivity. The first electrode and the second electrode are wound with the separator interposed therebetween to form an electrode assembly. The first electrode includes a current collector and an active material layer carried on one face of the current collector. The active material layer includes columnar particles having a bottom and a head, the bottom of the columnar particles being adhered to the current collector. The head of the columnar particles is positioned at an outer round side of the electrode assembly than the bottom. | 06-25-2009 |
| 20100081046 | BATTERIES - A battery includes a housing, an anode and a cathode within the housing, the anode having a first portion and a second portion adjacent to each other, a current collector at least partially disposed in the anode, a separator between the anode and the cathode, and an anode portion separator at least partially disposed in the anode and between the first and second portions of the anode. | 04-01-2010 |
| 20130202943 | PROTECTION FOR A POSITIVE FLAT ELECTRODE OF A LEAD ACID BATTERY, POSITIVE FLAT ELECTRODE AND BATTERY EQUIPPED THEREOF, PROCESS FOR MANUFACTURING - The invention is related to a protection for a positive flat electrode of a lead acid battery, said protection comprising two flat faces made of a shrinkable material, said flat faces having two lateral sides, a lower side and an upper side, said flat faces being joined together along said lateral sides according to a first kind of assembly, said protection being open between said upper sides, said protection being further open between said lower sides or being closed along said lower sides by a join assembling said flat faces according to another kind of assembly. | 08-08-2013 |
| 20140030577 | ELEKTRODENEINHEIT - The invention relates to an electrode unit for an electrochemical device, comprising a solid electrolyte ( | 01-30-2014 |
| 429134000 | Paste or gel | 1 |
| 429135000 | With layer of material or spacing means | 1 |
| 20120189894 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly for a secondary battery that includes pressing parts are formed on separators surrounding positive and negative electrodes so that the electrode assembly can be bent in a zigzag shape to form a stacked structure, and thus the thermal stability of the electrode assembly can be improved and the stacked structure of the electrode assembly can be easily formed. In addition, electrolyte can easily permeate the electrode assembly. The electrode assembly includes separators, positive and negative electrode plates disposed between the separators, and pressing parts formed on the separators between the positive and negative electrode plates. Guide parts are formed at the pressing parts, and the separators are bent at the guide parts. | 07-26-2012 |
| 429136000 | Envelope type | 42 |
| 20090123825 | BATTERIES INCLUDING A FLAT PLATE DESIGN - A battery having flat, stacked, anode and cathode layers. The battery can be adapted to fit within an implantable medical device. | 05-14-2009 |
| 20090317702 | Stacked-Type Lithium Ion Battery - A stacked-type lithium ion battery, comprising a core, a battery shell, and a cover plate; said core is placed in the battery shell, said cover plate is coupled to the battery shell in a sealed manner; said core comprises a plurality of layers of positive plates, negative plates, and membranes that are stacked together with each other, and the membrane is between the positive plate and the negative plate; wherein at least two membranes are in a 5-175° included angle between their tensile directions. Since the tensile directions of the membranes are different, the overall tensile strengths of the battery in all tensile directions are essentially same; therefore, the phenomenon of short circuit in the battery resulted from membrane rupture in lower tensile strength directions can be prevented, and the battery safety performance is greatly enhanced. | 12-24-2009 |
| 20110076544 | STACK TYPE BATTERY - A stack type battery has a plurality of positive electrode plates ( | 03-31-2011 |
| 20110183181 | SECONDARY BATTERY HAVING INSULATION BAG - A secondary battery includes an electrode assembly, an insulation bag, a case, and a cap plate. The electrode assembly includes first and second electrodes, and a separator between the electrodes. The insulation bag has an open top and houses the electrode assembly. The case houses the electrode assembly and the insulation bag. The cap plate seals the case. The insulation bag includes first and second side surface portions, and first and second extending portions. The first and second side surface portions face one another and extend from one side to an opposite side. The first extending portion extends from an upper end of the first side surface portion at the one side. The second extending portion extends from an upper end of the second side surface portion at the opposite side. | 07-28-2011 |
| 20110274960 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE SAME - An electrode assembly and a secondary battery using the same. In an embodiment, the electrode assembly includes one or more first electrodes each having a first tab provided to one surface thereof, and one or more second electrodes each having a second tab provided to one surface thereof. The second electrodes are alternately stacked with the first electrodes. A separator is interposed between the first and second electrodes and folded a plurality of times so that the same surfaces of the separator face each other. The separator has one or more tab through-holes through which the first and second tabs protrude at folded portions of the separator. | 11-10-2011 |
| 20120040231 | ELECTROCHEMICAL DEVICE AND MANUFACTURING METHOD THEREOF - Provide an electrochemical device offering a large capacity per current collector and a low internal resistance, which is also easy to assemble. Provided is a laminated sheet body | 02-16-2012 |
| 20120094168 | PROCESS FOR MANUFACTURING ELECTROLYTE ASSEMBLY FOR SECONDARY BATTERY OF NOVEL LAMINATED STRUCTURE - Disclosed is the present invention directed to a process for manufacturing an electrode assembly, including: prior to assembling to electrode, bending a cathode, having an active material layer coated on one major surface of a current collector, and an anode, having an active material layer coated on one major surface of another current collector, in a zigzag fashion in vertical sections; and after the bending of the cathode and the anode, fitting the cathode and the anode to each other, such that the electrode active material layers face each other, while a separator is disposed between the cathode and the anode. | 04-19-2012 |
| 20120219840 | LITHIUM SECONDARY BATTERY CONTAINING CATHODE MATERIALS HAVING HIGH ENERGY DENSITY AND ORGANIC/INORGANIC COMPOSITE POROUS MEMBRANE - Disclosed is a secondary battery including a cathode, an anode, a membrane and an electrolyte, wherein the cathode contains a mixture of a first cathode material defined herein and a second cathode material selected from the group consisting of a second-(a) cathode material defined herein and a second-(b) cathode material defined herein, and a combination thereof, wherein a mix ratio of the two cathode materials (first cathode material: second cathode material) is 50:50 to 90:10, and the membrane is an organic/inorganic composite porous membrane including (a) a polyolefin-based membrane substrate and (b) an active layer in which one or more areas selected from the group consisting of the surface of the substrate and a portion of pores of the substrate are coated with a mixture of inorganic particles and a binder polymer, wherein the active layer has a structure in which the inorganic particles are interconnected and fixed through a binder polymer and porous structures are formed by the interstitial volume between the inorganic particles. | 08-30-2012 |
| 20120225343 | 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. | 09-06-2012 |
| 20120276436 | 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 | 11-01-2012 |
| 20130004825 | BATTERY - The battery according to the present invention includes, a first electrode plate which has a potential of a first polarity; a second electrode plate which includes a contact unit, and has a potential of a second polarity; a separator which is arranged between the first electrode plate and the second electrode plate; and a conductive battery container in which the first electrode plate, the second electrode plate, and the separator are accommodated, and in which the contact unit comes into contact with the battery container. | 01-03-2013 |
| 20130143094 | LITHIUM ION BATTERY - A lithium ion battery includes a casing, a cell assembly received in the casing, a cap assembly encapsulating the casing and electrolyte filling within the casing. The cell assembly comprises a number of stacked electrode plates and a separator sandwiched between two stacked electrode plates. The electrode plates comprise positive electrode plates and negative electrode plates. Each positive electrode plate is provided with a pair of negative electrode plates positioned on opposite sides of the positive electrode plate. | 06-06-2013 |
| 20130171497 | STACKED SECONDARY BATTERY - The present invention relates to a stacked secondary battery that includes a laminated body, the laminated body including: a first electrode ( | 07-04-2013 |
| 20130309547 | ELECTROCHEMICAL CELLS AND METHODS OF MANUFACTURING THE SAME - Electrochemical cells and methods of making electrochemical cells are described herein. In some embodiments, an apparatus includes a multi-layer sheet for encasing an electrode material for an electrochemical cell. The multi-layer sheet including an outer layer, an intermediate layer that includes a conductive substrate, and an inner layer disposed on a portion of the conductive substrate. The intermediate layer is disposed between the outer layer and the inner layer. The inner layer defines an opening through which a conductive region of the intermediate layer is exposed such that the electrode material can be electrically connected to the conductive region. Thus, the intermediate layer can serve as a current collector for the electrochemical cell. | 11-21-2013 |
| 20140038023 | FIBER MAT FOR BATTERY PLATE REINFORCEMENT - Embodiments of the invention provide batteries, electrodes, and methods of making the same. According to one embodiment, a battery may include a positive plate having a grid pasted with a lead oxide material, a negative plate having a grid pasted with a lead based material, a separator separating the positive plate and the negative plate, and an electrolyte. A nonwoven glass mat may be in contact with a surface of either or both the positive plate or the negative plate to reinforce the plate. The nonwoven glass mat may include a plurality of first coarse fibers having fiber diameters between about 6 μm and 11 μm and a plurality of second coarse fibers having fiber diameters between about 10 μm and 20 μm. | 02-06-2014 |
| 20140065462 | INCREASED ENERGY DENSITY AND SWELLING CONTROL IN BATTERIES FOR PORTABLE ELECTRONIC DEVICES - The disclosed embodiments relate to the design and manufacture of a battery cell. The battery cell includes a cathode containing a first cathode active material and a second cathode active material with a lower first coulombic efficiency and a higher energy density than the first cathode active material. The battery cell also includes an anode containing a silicon-based anode active material and a carbonaceous anode active material. Finally, the battery cell includes a pouch enclosing the cathode and the anode, wherein the pouch is flexible. Such blending of cathode and anode active materials may increase the energy density of the battery cell while mitigating the loss of capacity caused by the reaction of the silicon-based active material with lithium during initial charging and discharging of the battery cell. | 03-06-2014 |
| 20140272524 | PROTECTED LITHIUM ELECTRODES BASED ON CERAMIC MEMBRANES - Disclosed are ionically conductive membranes for protection of active metal anodes and methods for their fabrication. The membranes may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the membrane has the desired properties of high overall ionic conductivity and chemical stability towards the anode, the cathode and ambient conditions encountered in battery manufacturing. The membrane is capable of protecting an active metal anode from deleterious reaction with other battery components or ambient conditions while providing a high level of ionic conductivity to facilitate manufacture and/or enhance performance of a battery cell in which the membrane is incorporated. | 09-18-2014 |
| 20140335394 | INTERNAL INSULATION DESIGN USING POROUS MATERIAL FOR AN ELECTROCHEMICAL CELL - The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by providing a glass wool material at an intermediate location between the casing and anode current collector of a negative polarity and the cathode current collector and the terminal pin being of a positive polarity. Typically, a lithium ion concentration gradient sufficient to cause lithium cluster formation is induced by the high rate, intermittent discharge of a lithium/silver vanadium oxide (Li/SVO) cell. However, sufficient free electrolyte necessary for normal cell function is held in the relatively large pore volume throughout the extent of the glass wool material. Moreover, permeability within the glass wool material is tortuous, which effectively increases the distance between the negative and positive surfaces of the anode and cathode. This tortuosity effectively stops “straight line” dendrite growth of lithium clusters between opposite polarity structures inside the casing. | 11-13-2014 |
| 20150050540 | LEAD ACID BATTERY - On each negative plate ( | 02-19-2015 |
| 20150099153 | CONDUCTIVE MAT FOR BATTERY ELECTRODE PLATE REINFORCEMENT AND METHODS OF USE THEREFOR - According to one embodiment, a plate or electrode for a lead-acid battery includes a grid of lead alloy material, a paste of active material applied to the grid of lead alloy material, and a nonwoven fiber mat disposed at least partially within the paste of active material. The nonwoven fiber mat includes a plurality of fibers, a binder material that couples the plurality of fibers together, and a conductive material disposed at least partially within the nonwoven fiber mat so as to contact the paste of active material. In some embodiments, the nonwoven fiber mat may have an electrical resistant of less than about 100,000 ohms per square to enable electron flow on a surface of the nonwoven fiber mat. | 04-09-2015 |
| 20150140400 | POWER STORAGE UNIT AND ELECTRONIC DEVICE INCLUDING THE SAME - A short-circuit between a positive electrode and a negative electrode due to a deposit on an electrode plate is prevented in a power storage unit such as a lithium-ion secondary battery. An electrode plate is covered by a folded insulating sheet. Bonding is performed on facing edges of the sheet which overlap with each other in a portion outer than the electrode plate. One or more openings are formed in the electrode plate, and the facing edges of the folded sheet are bonded to each other also in the opening. Such a bonding portion enables the sheet to be in closer contact with the electrode plate and prevents the displacement between the sheet and the electrode plate. When the electrode plate is deformed or vibrated, the sheet can be rubbed against a surface of the electrode plate, thereby removing a deposit from the surface of the electrode plate. | 05-21-2015 |
| 429137000 | Coating on electrode | 1 |
| 20110039144 | IN SITU FORMED IONICALLY CONDUCTIVE MEMBRANES FOR PROTECTION OF ACTIVE METAL ANODES AND BATTERY CELLS - Disclosed are ionically conductive membranes for protection of active metal anodes and methods for their fabrication. The membranes may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the membrane has the desired properties of high overall ionic conductivity and chemical stability towards the anode, the cathode and ambient conditions encountered in battery manufacturing. The membrane is capable of protecting an active metal anode from deleterious reaction with other battery components or ambient conditions while providing a high level of ionic conductivity to facilitate manufacture and/or enhance performance of a battery cell in which the membrane is incorporated. | 02-17-2011 |
| 429138000 | Having support frame or cover | 5 |
| 20080268335 | Combined thin battery structure - A combined thin battery structure comprises a metallic first plate, a plastic frame, a battery module, and a metallic second plate. The first plate has a plurality of jointing slices and first contacting slices formed upwardly from peripheral edges thereof. The frame has a plurality of jointing grooves and fitting grooves formed from peripheral edges thereof. The jointing slices respectively insert into the jointing grooves. The battery module is fixed in the frame. The second plate has a plurality of fitting slices and second contacting slices formed downwardly from peripheral edges thereof. The fitting slices insert into the fitting grooves. Each of the second contacting slices extends to form a flexible arm. Each of the flexible arms has a contacting surface. The contacting surfaces of the flexible arms contact the first contacting slice via surface contact method thus the first plate electrically contacts the second plate to enhance EMI efficiency. | 10-30-2008 |
| 20080280198 | BATTERY MECHANICAL PACKAGING - Batteries are disclosed that include a plurality of cooling plates, a plurality of cells disposed between adjacent cooling plates, a plurality of insulating sheets disposed between adjacent cells, a plurality of bus bars interconnecting the plurality of cells, an inner casing surrounding the plurality of cooling plates, the plurality of cells, the plurality of insulating sheets, and the plurality of bus bars, an outer casing surrounding the inner casing so as to form a gap therebetween, a layer of insulating material disposed inside at least a portion of the gap, and several other structural features in different embodiments of the invention configured to prevent motion of the cells relative to one another. | 11-13-2008 |
| 20120077071 | POUCH-TYPE SECONDARY BATTERY - A pouch-type secondary battery including: an electrode assembly comprising a positive electrode plate, a negative electrode plate and a separator; a negative electrode tab electrically connected to the negative electrode plate and having a first tab tape; and a positive electrode tab electrically connected to the positive electrode plate and having a second tab tape wherein one or two of end portions which the positive electrode tab crosses are located inside a sealing portion. | 03-29-2012 |
| 20130149586 | BATTERY CELL - A battery cell including an electrode assembly, a pouch accommodating the electrode assembly, a electrode lead connected to the electrode assembly and extending to an external portion of the pouch, a slit portion that the electrode lead pass through and an insulator covering at least a portion of the pouch and the electrode lead. | 06-13-2013 |
| 20160006072 | SECONDARY BATTERY, APPARATUS FOR MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A secondary battery includes a first electrode assembly comprising a first separator in a serpentine form and first and second electrode plates that are respectively located on two surfaces of the first separator at different positions; and a second electrode assembly comprising a second separator in a serpentine form and third and fourth electrode plates that are respectively located on the second separator at different positions, wherein the first separator, to which the first and second electrode plates are combined, is bent with respect to ends of the first and second electrode plates so that the portion of the first separator is located on the second separator, and the second separator, on which the third and fourth electrode plates are combined, is bent with respect to ends of the third and fourth electrode plates so that the portion of the second separator is located on the first separator. | 01-07-2016 |
| 429139000 | Having edge bond or seal | 15 |
| 20110244304 | STACK TYPE BATTERY - A stack type battery has a plurality of positive electrode plates ( | 10-06-2011 |
| 20120021272 | SEPARATOR FOR GEL ELECTROLYTE STORAGE BATTERIES - A method of synthetic imaging comprising the steps of: emitting a first electromagnetic signal having a first frequency from a first radiation source, emitting at least one second electromagnetic signal having a second frequency from a second radiation source, wherein the first and second frequencies are different from each other, substantially simultaneously receiving the first signal and the second signal with a first receiver, substantially simultaneously receiving the first signal and the second signal with at least one second receiver, arranging an object on the path of at least one electromagnetic signal between the radiation sources and the receivers, wherein the signals are reflected by the object before they meet the receivers, and computing an image of the object from the signals received by the receivers and a device for practicing the method. | 01-26-2012 |
| 20120028100 | PRISMATIC SECONDARY BATTERY - A prismatic secondary battery is a prismatic lithium-ion battery including a stack-type electrode assembly in which square positive and negative electrode plates are stacked with separators interposed therebetween. The positive electrode plates are arranged inside a bag-like separator. The width of the separator protruding from an end portion of each positive electrode plate on a non-joined side of the separator is greater than that of the separator protruding from an end portion of the positive electrode plate on a joined side of the separator. The heat-shrinkage rate of the separator in a direction vertical to the non-joined side is greater than that of the separator in a direction parallel to the non-joined side. Short circuiting between the positive and negative electrode plates due to heat shrinkage or rupture of the separator is prevented even when abnormal heat generation occurs in the battery. | 02-02-2012 |
| 20120064385 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - A secondary battery which can maintain alignment between a first electrode plate and a second electrode plate and can improve the cell stability and life characteristic of the battery, and a manufacturing method thereof. A secondary battery includes an electrode assembly including a first electrode plate; a second electrode plate; a first separator between the first electrode plate and the second electrode plate and including a central portion and an outer portion at a periphery of the central portion; and a second separator at a side of the first electrode plate or the second electrode plate opposite a side facing the first separator, the second separator including a central portion and an outer portion at a periphery of the central portion of the second separator, and the outer portion of the first separator and the outer portion of the second separator contact each other at least at a joining part. | 03-15-2012 |
| 20120196172 | STACK TYPE BATTERY AND METHOD OF MANUFACTURING THE SAME - A stack type battery has a positive electrode plate ( | 08-02-2012 |
| 20120276437 | FLAT NONAQUEOUS SECONDARY BATTERY - A flat nonaqueous secondary battery with improved reliability is provided. The flat nonaqueous secondary battery ( | 11-01-2012 |
| 20130040182 | STACKED SECONDARY CELL - A stacked secondary cell suppresses heat contraction of the opening of a sack-shaped separator even in a high-temperature environment and prevents the occurrence of short circuits between the stacked electrodes. In the disclosed stacked secondary cell, positive electrodes ( | 02-14-2013 |
| 20130164596 | BATTERY SEPARATOR FOR A STORAGE BATTERY - A battery separator for a lead acid (storage) battery is made from a thermoplastic sheet material. The sheet material has a central region flanked by peripheral regions. The central region includes a plurality of longitudinally extending ribs that are integrally formed from the sheet material. The peripheral regions are free of ribs and may include a densified structure. Also disclosed are a method of producing the foregoing separator, an envelope separator made from the sheet material, and a method of making the envelope separator. | 06-27-2013 |
| 20130266841 | MULTI-LAYERED TYPE ELECTROCHEMISTRY CELL OF IMPROVED SAFETY - Disclosed herein is an electrochemical cell constructed in a structure in which a plurality of full cells or bicells, as unit cells, are folded by a separation film formed in the shape of a long sheet, and separators of the unit cells are secured to the separation film by thermal welding. The electrochemical cell according to the present invention has the effect of preventing the electrodes of the stacked electrodes from being separated from the separation film or from being twisted due to external impacts and vibrations, thereby restraining the electrochemical cell from generating heat or catching fire. Furthermore, the structural stability of the electrochemical cell is maintained even when the temperature of the electrochemical cell is increased, or the volume of the electrochemical cell is increased due to the generation of gas. | 10-10-2013 |
| 20130280582 | BAG-LIKE SEPARATOR, ELECTRODE SEPARATOR ASSEMBLY, AND METHOD OF PRODUCING ELECTRODE SEPARATOR ASSEMBLY - Four sides of a rectangular bag-like separator | 10-24-2013 |
| 20140349167 | METHOD FOR MANUFACTURING PACKED ELECTRODE, AND PACKED ELECTRODE, SECONDARY BATTERY AND HEAT SEALING MACHINE - In a method for manufacturing a packed electrode, an electrode is set between two separation layers that are made of resin, a heat-resistant layer is set between at least one of the two separation layers and the electrode, the two separation layers, the electrode and the heat-resistant layer, an overlapped portion of the two separation layers overlapped with the heat-resistant layer interposed therebetween is pinched, pressed and heated by a pair of heat sealing chips at an outside of the electrode, and the two separation layers are fastened by destroying the heat-resistant layer at the overlapped portion that are pressed and heated. According to the above manufacturing method, man-hours required for stacking can be reduced by integrating the heat-resistant layer with the packed electrode. | 11-27-2014 |
| 20150017509 | SEPARATOR INCORPORATING ELECTRODE, ELECTRICAL STORAGE DEVICE, AND VEHICLE - Provided is a separator incorporating an electrode, provided with two of separator sheets facing each other, an electrode sandwiched between the separator plates. Each of the facing surfaces of the separator sheets is provided with a coated portion coated with a ceramic, and a non-coated portion that is not coated with the ceramic, located in at least a portion of ranges corresponding to peripheral edges of the electrode. The separator sheets are joined to one another in the non-coated portion. | 01-15-2015 |
| 20150140401 | ELECTRICITY STORAGE DEVICE - A rechargeable battery includes positive and negative electrodes and first and second separator portions. The positive electrode includes a positive metal foil and a positive active material layer. A positive active material-free portion is formed on a first end of the positive electrode. The positive active material layer extends to a second end. The negative electrode includes a negative metal foil and a negative active material layer. A negative active material-free portion is formed on a third end of the negative electrode. The negative active material layer extends to a fourth end. Each of the first and second separator portions includes a strong bonding portion and a weak bonding portion. The strong bonding portion is located proximate to the first end and extends along the first end. The weak bonding portion is located proximate to the second end and extends along the second end. | 05-21-2015 |
| 20150147626 | POWER STORAGE UNIT AND ELECTRONIC DEVICE INCLUDING THE SAME - To provide a power storage unit having a structure which is unlikely to break down by change in shape, such as bending. An electrode plate is covered with a sheet of an insulator which is folded in two. The sheet is preferably processed into a bag-like shape or an envelope-like shape by bonding overlapping portions of the sheet in the periphery of the electrode plate. The electrode plate and the sheet are fixed to an exterior body. In the case where the shape of the exterior body is changed by bending or the like, the electrode plate and the sheet can slide together in the exterior body. Thus, stress on the electrode plate due to bending can be relieved. | 05-28-2015 |
| 20160064714 | ACCUMULATOR DEVICE - An electricity storage device includes a first electrode sheet, separators, and a second electrode sheet. The separators each include primary protrusions, which are located on the opposite sides of the first electrode sheet and protrude from the first electrode sheet, and secondary protrusions, which are located on the opposite sides of the first electrode sheet and protrude from the first electrode sheet in a direction different from the protrusion direction of the primary protrusions. The primary protrusions are welded to each other in a first weld region, and the secondary protrusions are welded to each other in a second weld region. The region width of the first weld region in the protrusion direction of the primary protrusions is greater than the region width of the second weld region in the protrusion direction of the secondary protrusions. | 03-03-2016 |
| 429140000 | Tubular type | 6 |
| 20110165448 | Tube Sheet for a Lead Acid Battery - The present invention concerns a tube plate for an electrode, preferably a positive electrode, of a lead acid battery, wherein the tube plate ( | 07-07-2011 |
| 20160118637 | POWER STORAGE DEVICE - When cellulose is used as a separator, the cellulose is impregnated with an ionic liquid. Charge and discharge are repeated with this separator touching a surface of a current collector; then, the separator is changed in color. Thus, it is an object to provide a power storage device with a structure in which a side reaction other than a battery reaction, e.g., a change in color of separator, is unlikely to occur. In the power storage device, a separator impregnated with an ionic liquid is not in contact with a surface of a current collector. The separator has a tubular shape, a bag-like shape, or a sheet-like shape. The separator includes cellulose. The power storage device including the ionic liquid is non-volatile and non-flammable. The power storage device can be bent. | 04-28-2016 |
| 20160133943 | Gauntlet Motive Battery - An improved gauntlet wet cell battery provides a plurality of elongated hollow spines filled with active material in a cathode array. Bottom ends of the cathode array are closed with an electrically conductive bottom end cap that electrically and mechanically interconnects the free ends of each spine so as to close and substantially rigidly locate the free ends of said spines with respect to one another. In this manner, electrical continuity between the spines is maintained even if one of the spines fractures, cracks, or otherwise becomes mechanically disassociated from an upper portion of the same spine. | 05-12-2016 |
| 429141000 | Having plural layers of diverse material | 3 |
| 20100239899 | Gauntlet motive battery - An improved gauntlet wet cell battery provides a plurality of elongated hollow spines filled with active material in a cathode array. Bottom ends of the cathode array are closed with an electrically conductive bottom end cap that electrically and mechanically interconnects the free ends of each spine so as to close and substantially rigidly locate the free ends of said spines with respect to one another. In this manner, electrical continuity between the spines is maintained even if one of the spines fractures, cracks, or otherwise becomes mechanically disassociated from an upper portion of the same spine. | 09-23-2010 |
| 20120321929 | SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS SECONDARY BATTERY - The present invention is to provide a separator that is excellent in heat resistance, shutdown function, flame retardancy and handling property. The separator for a nonaqueous secondary battery of the invention is a separator for a nonaqueous secondary battery that has a polyolefin microporous membrane at least one surface of which is laminated with a heat resistant porous layer containing a heat resistant resin, and is characterized by containing an inorganic filler containing a metallic hydroxide that undergoes dehydration reaction at a temperature of 200 to 400° C. | 12-20-2012 |
| 20160013519 | GAUNTLET MOTIVE BATTERY | 01-14-2016 |
