Entries |
Document | Title | Date |
20090170004 | ELECTRODE FOR RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING THE SAME - A rechargeable battery electrode of the present invention is produced by filling voids in a three-dimensional metal porous body ( | 07-02-2009 |
20100028780 | BATTERY ELECTRODE AND METHOD FOR MANUFACTURING THE SAME, AND BATTERY - A battery electrode includes a current collector and an active material layer formed on a surface of the current collector. The active material layer includes an active material and a conductive material including a metal material. | 02-04-2010 |
20100330432 | POWDER MIXTURE FOR MANUFACTURE OF A BATTERY ELECTRODE, A RESPECTIVE BATTERY ELECTRODE AND A METHOD FOR MANUFACTURING SAME - A method for manufacturing of a powder mixture for a battery electrode that includes suspending of particles of at least one binder within an inert solvent producing a first suspension, slowly suspending of particles of an active material within the first suspension producing a second suspension, drying of the second suspension producing a granulate material. Further relates to a respective powder mixture, an electrode and a method of manufacturing the electrode. | 12-30-2010 |
20110039161 | NONAQUEOUS SECONDARY BATTERY - A nonaqueous secondary battery comprises a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode is provided with a current collector composed of a film-like or fibrous resin layer having a conductive layer on both sides, and the separator has a higher thermal deformation temperature than the resin layer. | 02-17-2011 |
20110151331 | BATTERY CURRENT COLLECTOR FOIL, METHOD OF MANUFACTURING BATTERY CURRENT COLLECTOR FOIL, AND BATTERY - A method of manufacturing a battery current collector foil includes: applying wet etching (electrolytic etching) to a surface of a metal foil (aluminum foil) (step S | 06-23-2011 |
20110281170 | ELECTRIC STORAGE DEVICE ELECTRODE AND METHOD FOR MANUFACTURING SAME - A method of manufacturing an energy storage device electrode in which breakage of electrode particles and warping of a collector are reduced, and internal resistance is lowered by lowering the contact resistance between the collector and an electrode layer. The method manufactures an electric double-layer capacitor electrode, and includes: forming a plurality of grooves that run in one direction in each of a front surface and rear surface of a collector foil; subsequently providing an electrode layer that includes plural electrode particles on each of the front surface and rear surface of the collector foil; and subsequently pressing the electrode layer toward the collector foil to move the plurality of electrode particles along the plurality of grooves until the plural electrode particles dig into the plurality of grooves. | 11-17-2011 |
20120015253 | BATTERY MANUFACTURING METHOD, BATTERY, VEHICLE AND ELECTRONIC DEVICE - Stripe-shaped pattern elements | 01-19-2012 |
20120308897 | BATTERY GRIDS AND METHODS FOR MANUFACTURING SAME - A grid for a battery is disclosed. The battery grid includes an electrically conductive grid body having opposed top and bottom frame elements. At least one of the frame elements has a cross section with coined edges. The battery grid also includes a plurality of interconnecting electrically conductive grid elements spanning between the opposed top and bottom frame elements defining a grid pattern. Methods of forming a battery grid are also disclosed. | 12-06-2012 |
20130004853 | Negative-Electrode Plate and Cylindrical Cell Including Same - A negative-electrode plate | 01-03-2013 |
20130004854 | ELECTRODE FOR ELECTROCHEMICAL ELEMENT - The present invention aims at providing an electrode for an electrochemical element having adequately high capacity and output. The electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the conduction aid in the mixture is 0 to 4 mass %. Further, the electrode for an electrochemical element of the present invention has a feature in that a mixture containing an active material, a conduction aid and a binder is filled into continuous pores of an aluminum porous body having the continuous pores, and the content ratio of the binder in the mixture is less than 5 mass %. | 01-03-2013 |
20130004855 | METHOD FOR MANUFACTURING BATTERY ELECTRODE - The present invention provides a method for manufacturing a battery electrode. This method comprises the steps of applying a binder solution | 01-03-2013 |
20130130123 | POROUS MEMBRANE FOR SECONDARY BATTERY, PRODUCTION METHOD THEREFOR, AND USE THEREOF - A porous membrane for a secondary battery including non-electroconductive particles and a binder for a porous membrane, wherein the non-electroconductive particles are particles of a polymer, an arithmetic mean value of a shape factor of the non-electroconductive particles is 1.05 to 1.60, a variation coefficient of the shape factor is 16% or less, and a variation coefficient of a particle diameter of the non-electroconductive particles is 26% or less; manufacturing method thereof; and an electrode, a separator and a battery having the same. | 05-23-2013 |
20130149613 | Ceramic Separator and Storage Device - A ceramic separator that includes an inorganic filler and an organic constituent. The inorganic filler is in the range of 55 to 80% in terms of a pigment volume concentration, and the inorganic filler has an average particle diameter of 1 μm to 5 μm, and a grain size distribution with a slope of 1.2 or more based on an approximation by a Rosin-Rammler distribution. | 06-13-2013 |
20130157142 | BATTERY CORE AND METHOD OF MANUFACTURING THE SAME - A battery core and a method of manufacturing the same are disclosed herein. The battery core includes a first electrode plate and a second electrode plate. The first electrode plate includes a substrate and a first active material. A first portion of the first active material is formed on a first area of the substrate, and a second portion of the first active material is formed on a second area of the substrate. The second electrode plate includes first and second substrates disconnected from each other, and a second active material. The first and second substrates are positioned corresponding to the first and second first areas respectively. A first portion of the second active material is formed on the first substrate, and a second portion of the second active material is formed on the second substrate. | 06-20-2013 |
20130236791 | BATTERY AND METHOD FOR PRODUCING BATTERY (AS AMENDED) - Disclosed is a method for producing a battery in which a separator layer having a high surface smoothness has been formed on a surface of at least one of the positive electrode and the negative electrode. This production method includes the steps of preparing a separator layer-forming coating having a viscosity of from 500 mPa·s to 5,000 mPa·s by mixing together at least insulating particles, a binder and a solvent; and applying the coating onto a surface of at least one of a positive electrode active material layer of a positive electrode and a negative electrode active material layer of a negative electrode. | 09-12-2013 |
20130266871 | ELECTRICAL CONDUCTOR FOR ELECTROCHEMICAL CELLS - Use of an electrical foil conductor in an electrochemical cell, wherein the foil comprises a substrate which is coated with an electrical conductor and the substrate has a lower mass per unit area than the conductor. | 10-10-2013 |
20140072877 | ELECTRODE ASSEMBLY, METHOD FOR PRODUCING ELECTRODE ASSEMBLY, AND ELECTRIC STORAGE DEVICE INCLUDING ELECTRODE ASSEMBLY - Provided is an electrode assembly including: a negative electrode including a negative electrode current collector (NC) and a negative electrode active material layer (NAL) disposed on at least one surface of the NC; a positive electrode including a positive electrode current collector (PC), a positive electrode active material layer (PAL) disposed on at least one surface of the PC, and an undercoat layer being disposed between the PC and the PAL and being higher in resistance value than the PC. The negative electrode and the positive electrode are stacked on each other. In at least one side of the thus stacked negative and positive electrodes, the NAL projects from an edge of the PAL in a direction in which the NC and PC extend, and the undercoat layer projects from an edge of the NAL in the direction. | 03-13-2014 |
20140106233 | LEAD ACID STORAGE BATTERY - A lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate provided with a frame section having a quadrangular profile shape, and lateral grid strands and longitudinal grid strands that form a grid inside the frame section. The lateral grid strands are composed of thick lateral strands having a thickness equal to the thickness of the frame section, and thin lateral strands of smaller width and thickness than the thick strands, the longitudinal grid strands being composed of thick longitudinal strands that have a thickness that is less than thickness of the frame section, one end in the thickness direction being arranged in the same plane as one end of the frame section in the thickness direction, and thin longitudinal strands of smaller width and thickness than the thick longitudinal strands. | 04-17-2014 |
20140272597 | PROTECTED ELECTRODE STRUCTURES AND METHODS - An electrode structure and its method of manufacture are disclosed. The disclosed electrode structures may be manufactured by depositing a first release layer on a first carrier substrate. A first protective layer may be deposited on a surface of the first release layer and a first electroactive material layer may then be deposited on the first protective layer. | 09-18-2014 |
20140287318 | ELECTRODE AND METHOD FOR MANUFACTURING AN ELECTRODE - A method for manufacturing an electrode, including the following method steps: providing an active material mixture containing solvent; providing a preformed current collector; applying the solvent-containing, active material mixture to at least a partial region of the current collector to form an active material layer; and drying the active material layer. Such a method provides a particularly cost-effective manner of being able to manufacture an electrode without waste. Also described is an electrode. | 09-25-2014 |
20140287319 | ELECTRODE MATERIAL, ELECTRODE MATERIAL MANUFACTURING METHOD, ELECTRODE, AND SECONDARY BATTERY - An electrode material which has excellent tab weldability, realizes reduction of a contact resistance with an active material layer, and has good adhesion with a conductive material disposed in an island shape, is provided. An electrode material | 09-25-2014 |
20140302397 | Methods for Making Electrodes - A method of forming an electrode for a lithium-ion battery. The method includes providing a metallic substrate and coating the metallic substrate with a substantially solvent free electroactive coating composition. Coating the metallic substrate includes buffing the electroactive coating composition onto a major surface of the metallic substrate. | 10-09-2014 |
20140329152 | SECONDARY BATTERY - A secondary battery according to the present invention includes: a positive electrode current collector and a negative electrode current collector, arranged to face each other; a plurality of positive and negative electrodes arranged between the positive electrode current collector and the negative electrode current collector and stacked in a direction perpendicular to a facing direction of the current collectors, such that the positive and negative electrodes face each other with a separator in between; and an electrically conductive plate disposed parallel to the plurality of positive and negative electrodes. At least the positive or negative electrodes are formed in such a manner as to sandwich the plate from both sides. The plate protrudes, in the facing direction of the current collectors, from at least one end of the electrode that sandwiches the plate. | 11-06-2014 |
20150010827 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - In an aspect, a positive electrode for a rechargeable lithium battery including a current collector, a positive active material layer disposed on the current collector, and a coating layer disposed on the positive active material layer is disclosed. | 01-08-2015 |
20150030935 | BATTERY ELECTRODE SUBSTRATE SHEET - To provide a battery electrode substrate sheet capable of reducing a waste part, in which a defect part is included, of an electrode active material coating film coated on a collector. | 01-29-2015 |
20150064568 | ELECTROLYTE OR ELECTRODE ADDITIVES FOR INCREASING METAL CONTENT IN METAL-ION BATTERIES - Metal-ion battery cells are provided that take advantage of the disclosed “doping” process. The cells may be fabricated from anode and cathode electrodes, a separator, and an electrolyte. A metal-ion additive may be incorporated into (i) one or more of the electrodes, (ii) the separator, or (iii) the electrolyte. The metal-ion additive provides additional donor ions corresponding to the metal ions stored and released by anode and cathode active material particles. An activation potential may then be applied to the anode and cathode electrodes to release the additional donor ions into the battery cell. | 03-05-2015 |
20150104714 | ELECTRODES WITH THREE DIMENSIONAL CURRENT COLLECTORS AND METHODS OF MAKING THE SAME - In some embodiments, the present disclosure pertains to methods of forming electrodes on a surface. In some embodiments, the formed electrodes have a three-dimensional current collector layer. In some embodiments, the present disclosure pertains to the formed electrodes. In some embodiments, the present disclosure pertains to energy storage devices that contain the formed electrodes. | 04-16-2015 |
20150118568 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY - A secondary battery has an electrode laminated body and a collector member. The laminated body is formed of a laminated electrode sheet. The collector member is bonded to a collector foil laminated portion of the electrode sheet not formed with an active material layer. The collector foil laminated portion and the collector member are bonded at overlapped portions by resistance welding using electrodes. When a pressure welding direction is a projection direction, an area ratio (Yd)/(Xd) is 1.2-4, in which Xd is a projection area of a surface of the electrode made contact with the collector foil laminated portion and Yd is a projection area of a surface of the electrode made contact with the collector member. | 04-30-2015 |
20150125755 | COMPOSITE PARTICLES FOR ELECTROCHEMICAL DEVICE ELECTRODE, ELECTROCHEMICAL DEVICE ELECTRODE, AND ELECTROCHEMICAL DEVICE - Composite particles for electrochemical device electrode comprising a first particle-shaped binder with a glass transition temperature of 5° C. or less, a second particle-shaped binder with a glass transition temperature of 10 to 80° C. and with a gel content of 70 wt % or more, and an electrode active material, wherein a ratio of content of said second particle-shaped binder is 30 to 95 wt % in the total binder which is contained in said composite particles for electrochemical device electrode, are provided. | 05-07-2015 |
20150132656 | SLURRY COMPOSITION, ELECTRODE, ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD OF MANUFACTURING ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - [Problem] Provided is a slurry composition which has an excellent viscosity stability and thus, after being applied to a current collector for an electrode and drying, has an excellent adhesion with the current collector. | 05-14-2015 |
20150291859 | PRESSURE-SENSITIVE ADHESIVE TAPE FOR ELECTROCHEMICAL DEVICE - Provided is a pressure-sensitive adhesive tape for electrochemical devices according to the present invention. The adhesive tape is for use in electrochemical device production and includes a substrate and a pressure-sensitive adhesive layer. The adhesive layer is disposed on or over at least one side of the substrate and contains an acrylic polymer as a base polymer. The adhesive tape has a first and a second 180° peel adhesion strength. The first 180° peel adhesion strength is measured at 25° C. and a peeling speed of 300 mm/min after bonded to a SUS 304BA plate at a temperature of from 40° C. to below 150° C. The second 180° peel adhesion strength is measured at 25° C. and a peeling speed of 300 mm/min after bonded to a SUS 304BA plate at 25° C. The first 180° peel adhesion strength is twice or more as high as the second 180° peel adhesion strength. | 10-15-2015 |
20150303436 | METHOD OF MANUFACTURING A LEAD-ACID BATTERY - The present disclosure relates to a method of manufacturing a lead-acid battery, the method including: (i) extending a current collector from an end of a cell pack; and (ii) laser-welding a bus bar to the current collector. | 10-22-2015 |
20150303484 | CURRENT COLLECTOR, ELECTRODE, SECONDARY BATTERY, AND CAPACITOR - A current collector which can realize sufficient safety function even when the cell is deformed by external force or when the internal pressure is increased; and an electrode, a secondary battery, and a capacitor using the current collector; are provided. A current collector, including: a metal foil; and a conductive layer formed on a surface of the metal foil; is provided. Here, regarding the current collector, a temperature-resistance curve of the current collector obtained by sandwiching the current collector in between brass electrodes of 1 cm diameter, the measurement of resistance being performed with conditions of 15N of load between the electrodes and temperature being raised from ambient temperature at a rate of 10° C./min satisfies a relation of R | 10-22-2015 |
20150340690 | ENERGY STORAGE DEVICE - An energy storage device comprising: a sheet-like positive electrode and a sheet-like negative electrode, the positive electrode and the negative electrode being layered; wherein each of the electrodes includes a current collecting substrate and active material layers disposed on both surfaces of the current collecting substrate, at least a part of each of the current collecting substrates extends to an end portion of each of the electrodes and is bent toward one side in a layered direction at the end portion, and a bending direction of the current collecting substrate in the layered direction at the end portion of the positive electrode is opposite to a bending direction of the current collecting substrate in the layered direction at the end portion of the negative electrode which is adjacent to the end portion of the positive electrode. | 11-26-2015 |
20150340702 | LITHIUM ION SECONDARY BATTERY AND PREPARATION PROCESS OF SAME - A separator-type lithium ion secondary battery having large capacity and excellent charge-discharge performance without destroying the separator, even if an active material layer having concavo-convex structure of high aspect ratio is provided. The lithium ion secondary battery comprises a first electrode comprising a first current collector□ and a first active material layer formed by a plural of convex first active material parts which is provided on the first current collector, a second electrode comprising a second current collector□ and a second active material layer formed by a plural of convex second active material parts which is provided on the second current collector, and a separator provided between the first electrode and the second electrode, wherein the first electrode and the second electrode are integrated so that the convex first active material part is faced between the adjacent convex second active material parts, and the convex first active material part does not inter between the convex second active material parts. | 11-26-2015 |
20150380721 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a separator between a positive electrode and a negative electrode. The positive electrode has a positive electrode coating region and a positive electrode uncoated region. A positive active material is coated to a positive electrode current collector in the positive electrode coating region, and the positive active material is not coated in the positive electrode uncoated region. The negative electrode includes a negative electrode coating region and a negative uncoated region. A negative active material is coated to a negative electrode current collector in the negative electrode coating region, and the negative active material is not coated and a lithium source is in the negative uncoated region. The negative electrode coating region includes an active region corresponding to the positive electrode coating region. The lithium source is at the negative electrode and separated from an end of the active region by a predetermined interval. | 12-31-2015 |
20160087279 | PERFORATED FILM, COATING FILM, AND ELECTRICITY STORAGE DEVICE - Tensile strength in a width direction and a longitudinal direction is improved without damaging a ventilation characteristic. A perforated film is a perforated film provided with holes, each of the holes is arranged at an intersection of a plurality of virtual lines extending along a direction and a plurality of virtual lines extending along a direction, and the direction is different from the width direction and the longitudinal direction. The direction and the direction may be both inclined at an angle larger than 30° and smaller than 60° to the width direction. | 03-24-2016 |
20160093922 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode according to an embodiment includes a positive electrode current collector, a positive electrode mixture layer disposed on the current collector, and an intermediate layer disposed between the positive electrode current collector and the positive electrode mixture layer. The intermediate layer includes particles, the particles are mainly composed of a material having a thermal conductivity of 100 W/m·K or more and a specific resistance of 10 | 03-31-2016 |
20160118636 | ORGANIC/INORGANIC COMPOSITE POROUS MEMBRANE, AND SEPARATOR AND ELECTRODE STRUCTURE COMPRISING THE SAME - The present disclosure provides an organic/inorganic composite porous membrane, comprising: one or more particles selected from inorganic particles and organic particles; and a binder polymer, wherein said one or more particles selected from inorganic particles and organic particles are bonded with each other by the binder polymer surrounding the surface of the particles, and said one or more particles are filled at a rate of 60 to 70% in the membrane. | 04-28-2016 |
20160133939 | ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same include a current collector and an electrode active material layer positioned on the current collector. The active material layer includes an electrode active material and a metal fiber, wherein the length of the metal fiber is longer than the thickness of the electrode active material layer. | 05-12-2016 |
20160164070 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - An object of the present invention is to provide a high-quality secondary battery having high electric characteristics and high reliability, the secondary battery preventing a shortcut between a positive electrode and a negative electrode by means of an insulating material and preventing or reducing an increase in volume and deformation of a battery electrode assembly, and a method for manufacturing the same. Secondary battery | 06-09-2016 |
20160190546 | POSITIVE ELECTRODE COMPOSITE MOUNTED IN ALL-SOLID BATTERY - Disclosed is a positive electrode composite in an all-solid battery. In particular, contents of the electrolyte, the positive electrode material, and the conductive material are non-linearly changed from the electrolyte layer toward the metal current collector. Accordingly, as being closer to the electrolyte layer, ion conductivity is increased, and as being closer to the metal current collector, electron conductivity is increased, such that the electrochemical reactions may be actively performed in the entire internal portion of the positive electrode composite. | 06-30-2016 |
20160190590 | CONDUCTING MATERIAL COMPOSITION, SLURRY COMPOSITION FOR FORMING ELECTRODE OF LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY USING THE SAME - The present invention relates to a conducting material composition which is allowed to provide an electrode having a higher content of uniformly dispersed carbon nanotubes, thereby providing a lithium rechargeable batteryelectrode having more improved electrical characteristics and life characteristics, a slurry composition for forming a lithium rechargeable batteryelectrode using the same, and a lithium rechargeable battery. The conducting material composition includes carbon nanotube; and a dispersing agent including a plurality of polyaromatic hydrocarbon oxides, in which the dispersing agent contains the polyaromatic hydrocarbon oxides having a molecular weight of 300 to 1000 in an amount of 60% by weight or more. | 06-30-2016 |
20160254545 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 09-01-2016 |