| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429245000 | Materials chemically specified | 54 |
| 20080233482 | Lead-Tin-Silver-Bismuth Containing Alloy for Positive Grid of Lead Acid Batteries - A lead-acid battery grid made from a lead-based alloy containing, in addition to lead, tin at a concentration that is at least about 0.500%, silver at a concentration that is greater than 0.006%, and bismuth at a concentration that is at least about 0.005%, and, if calcium is present in the lead-based alloy, the calcium is at concentration that is no greater than about 0.010%. | 09-25-2008 |
| 20080299461 | Secondary battery including positive electrode or negative electrode coated with a ceramic coating portion - A lithium secondary battery including: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator; and a case for containing the electrode assembly, wherein a ceramic coating portion is on at least one surface of the positive electrode plate or the negative electrode plate, wherein the ceramic coating portion includes a ceramic material and a binder material, and wherein the binder material includes a polymer of alkylene oxide or a copolymer thereof. | 12-04-2008 |
| 20090081552 | ELECTROCHEMICAL CELL WITH TIGHTLY HELD ELECTRODE ASSEMBLY - An electrochemical cell comprising a conductive casing housing an electrode assembly provided with a stack holder surrounding the electrode assembly is described. The stack holder is of an elastic material that serves to maintain the anode and cathode in a face-to-face alignment throughout discharge. This is particularly important in later stages of cell life. As the cell discharges, anode active material is physically moved from the anode to intercalate with the cathode active material. As this mass transfer occurs, the cathode becomes physically larger and the anode smaller. This can lead to misalignment. However, the stack holder prevents such misalignment by maintaining a constrictive force on the electrode assembly throughout discharge. | 03-26-2009 |
| 20090291368 | Carbon Foam Based Three-Dimensional Batteries and Methods - A three-dimensional battery can include a three-dimensional porous carbon foam base and an anode current collector bonded to and in electrical communication with a first region of the base. The three-dimensional battery can also include an electrolyte layer disposed over the three-dimensional porous carbon foam base and a cathode current collector bonded to and in electrical communication with a second region of the three-dimensional porous carbon foam base. | 11-26-2009 |
| 20090305142 | Electrode Grid - The present invention relates to an electrode grid for a lead accumulator, comprising a grid substrate ( | 12-10-2009 |
| 20100009262 | Non-lead grid cores for lead acid battery and method of their production - In a lead acid electric storage battery using conventional lead-acid secondary battery chemistry, the battery may be a sealed battery, an unsealed battery, a conventional multi-cell battery, or a bi-polar battery. The battery has a set of composite negative battery grids (plates) which are constructed with a thin aluminum core having a thickness preferably in the range 0.05 mm to 1.3 mm and most preferably 0.2 mm to 0.6 mm. A layer of aluminum oxide removal metal, preferably zinc or tin, covers the aluminum core. Optionally, a protective film of tin dioxide, preferably less than 0.1 mm thick, and most preferably 1-20 microns, completely covers the removal layer. The tin dioxide layer, or the removal layer, is covered with a thin protective coating film of conductive fluoropolymer plastic. Preferably the grid cores are of expanded aluminum metal. These aluminum core grids are preferably used as negative grids and are preferably used with thin expanded metal positive titanium or stainless steel grids to form a high energy density battery. | 01-14-2010 |
| 20100009263 | Lead acid battery having ultra-thin - A lead acid electric storage battery uses conventional lead-acid secondary battery chemistry. The battery may be a sealed battery, an unsealed battery or a conventional multi-cell battery. The battery has a set of positive battery grids (plates) which are constructed with a body portion of thin titanium expanded metal having a thickness preferably in the range 0.1 mm to 0.9 mm and most preferably 0.2 mm to 0.4 mm. Typically the battery would have over 250 grids in a 12 inch long battery case. | 01-14-2010 |
| 20100040952 | SOLID STATE BATTERY AND METHOD OF PRODUCING THE SAME - A battery excellent in pressure formability is provided. A positive electrode composite material layer includes sulfide glass unheated and a positive electrode active material. The sulfide glass and the positive electrode active material are pressure-formed and in contact with each other. A negative electrode composite material layer includes sulfide glass unheated and a negative electrode active material. The sulfide glass and the negative electrode active material are pressure-formed and in contact with each other. | 02-18-2010 |
| 20100136434 | Electrolytic Copper Foil for Lithium Rechargeable Battery and Process for Producing the Copper Foil - An electrolytic copper foil for a lithium rechargeable (secondary) battery, wherein the 0.2% proof stress is 18 to 25 kgf/mm | 06-03-2010 |
| 20100255379 | BATTERY PLATE - A battery grid includes a grid network bordered by a frame element and includes a plurality of spaced apart grid wire elements. Each grid wire element has opposed ends joined to one of a plurality of nodes to define a plurality of open spaces in the grid network. In various embodiments, at least a portion of a plurality of the grid wire elements are deformed such that the deformed grid wire elements have a first transverse cross-section at a point intermediate their opposed ends that differs from a second transverse cross-section taken at least one of their opposed ends. In various embodiments, the battery grid also includes a lead alloy coating applied to the battery grid, and a battery paste applied to the battery grid. | 10-07-2010 |
| 20100297506 | TETRABASIC LEAD OXIDE AND LEAD MONOXIDE COMPOSITION TO BE USED IN LEAD-ACID BATTERIES AND IT'S METHOD OF PRODUCTION - This invention relates to a new battery oxide mixture for use in lead acid batteries and/or battery plates, specifically tetrabasic lead sulphate and lead oxide mixture that is derived through basic reactions from lead sulphate and the method utilized to obtain the said tetrabasic lead sulphate and lead oxide mixture by basic reactions starting by lead sulphate as initial substance. Additionally, this invention relates to battery plates produced wherein the paste made of tetrabasic lead sulphate and lead oxide mixture is plastered on lead battery grids. | 11-25-2010 |
| 20110129736 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode | 06-02-2011 |
| 20110200884 | POSITIVE CURRENT COLLECTOR AND MANUFACTURING METHOD THEREOF - A positive current collector provided by the present invention is a positive current collector including an electrically conductive layer on a base material of aluminum or an aluminum alloy. The base material has a surface oxide film at an interface of the base material body and the conductive layer, and a thickness of the surface oxide film is 3 nm or less. | 08-18-2011 |
| 20110262813 | METHOD OF PRODUCING CURRENT COLLECTORS FOR ELECTROCHEMICAL DEVICES - The present invention relates to a process for producing current collectors, current collectors made by such a process, and batteries containing current collectors made by such a process. The current collector is produced from a polymer substrate that is rendered electro-conductive and is electroplated at temperatures that are less than a softening temperature of the substrate. The substrate can be rendered electro-conductive by applying an electro-conductive material and/or by including a powder in the substrate, wherein the powder is carbon powder, a metal powder, or a metal-alloy powder. | 10-27-2011 |
| 20110287322 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery including: a positive electrode; a negative electrode including a negative current collector including a copper foil having elongation of about 5% to about 10% and a particle size of about 1 μm to about 20 μm, and a negative active material layer provided on the negative current collector; and an electrolyte solution. | 11-24-2011 |
| 20120100432 | Method for Manufacturing Metal-Made Three-Dimensional Substrate for Electrodes, Metal-Made Three-Dimensional Substrate for Electrodes and Electrochemical Applied Products Using the Same - In a method for manufacturing a metal-made three-dimensional substrate, a metal foil is passed between a pair of rollers | 04-26-2012 |
| 20120148923 | ELECTROCHEMICAL CELL - An electrochemical cell includes a housing; a solid electrolyte dividing the housing into a first electrode chamber and a second electrode chamber; a first electrode material accommodated in the first electrode chamber; a second electrode material accommodated in the second electrode chamber; a current collector extending in a first direction in the first electrode chamber; an extended current collector unit extending from the current collector in a second direction; and an electron channel unit on at least one of the current collector and the extended current collector unit. | 06-14-2012 |
| 20120264022 | ELECTRODE FOR ELECTROCHEMICAL DEVICE AND METHOD FOR PRODUCING THE SAME - Provided is electrochemical device, such as a nonaqueous electrolyte battery, which has excellent discharge characteristics and the like by forming a thick electrode using a metal porous body, such as an aluminum porous body, as a current collector. An electrode for an electrochemical device includes a metal porous body filled with an active material, in which the metal porous body is sheet-like and is a stacked porous body in which a plurality of single-layer metal porous bodies are stacked and electrically connected to each other. The metal porous body may be an aluminum porous body having a three-dimensional network structure. | 10-18-2012 |
| 20130004856 | THREE-DIMENSIONAL NETWORK ALUMINUM POROUS BODY FOR CURRENT COLLECTOR, CURRENT COLLECTOR USING THE ALUMINUM POROUS BODY, ELECTRODE USING THE CURRENT COLLECTOR, AND NONAQUEOUS ELECTROLYTE BATTERY, CAPACITOR AND LITHIUM-ION CAPACITOR, EACH USING THE ELECTRODE - It is an object of the present invention to provide a sheet-shaped three-dimensional network aluminum porous body which is suitably used as current collector base materials of an electrode for a nonaqueous electrolyte battery and an electrode for a capacitor using a nonaqueous electrolytic solution, and an electrode, a capacitor and a lithium-ion capacitor, each using the sheet-shaped three-dimensional network aluminum porous body. For this object, the three-dimensional network aluminum porous body for a current collector of the present invention is a sheet-shaped three-dimensional network aluminum porous body, and a skeleton forming the aluminum porous body has a surface roughness (Ra) of 3 μm or more, and preferably 3 μm or more and 50 μm or less. | 01-03-2013 |
| 20130071755 | SURFACE TREATMENT METHOD FOR COPPER FOIL, SURFACE-TREATED COPPER FOIL, AND COPPER FOIL FOR NEGATIVE ELECTRODE COLLECTOR OF LITHIUM ION SECONDARY BATTERY - Disclosed is a copper foil for a negative electrode collector capable of simultaneously achieving high capacity and long life charge/discharge cycles in a secondary battery, wherein the front and back surfaces are of a uniform shape and, for example, the properties of a silicon active material of a lithium ion secondary battery are sufficiently realized; and a negative electrode using the copper foil. In one embodiment, a first roughened layer of metallic copper is formed by pulse cathode electrolysis roughening treatment on the surface of an untreated rolled copper foil base material of oxygen-free copper in a first roughening treatment tank ( | 03-21-2013 |
| 20140178766 | COLLECTOR AND ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, ELECTRICAL DOUBLE LAYER CAPACITOR, LITHIUM ION CAPACITOR, OR ELECTRICAL STORAGE DEVICE USING SAME - Provided is a technique to confirm the performance of the conductive resin layer of a current collector without actually preparing an electrode structure, a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor, or an electrical storage device, and to confirm the performance of the conductive resin layer easily with high accuracy by a non-destructive test. A current collector includes a conductive substrate and a resin layer possessing conductivity, the resin layer being formed on at least one side of the conductive substrate. The resin layer possessing conductivity contains a resin and a conductive material containing carbon as a main component. When the color tone of the surface of the resin layer possessing conductivity is specified with L*a*b* color system, L* is 60 or lower, a* is −1.0 to 1.0, and b* is −1.0 to 3.0. | 06-26-2014 |
| 20140255788 | COLLECTOR, ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE BATTERY, AND ELECTRICAL STORAGE DEVICE - An object of the present invention is to provide a current collector which includes an aluminum alloy foil for electrode current collector, with high electrical conductivity and high strength after a drying process performed after application of an active material. According to the present invention, provided is a current collector including a conductive substrate and a resin layer provided on one side or both sides of the conductive substrate, wherein: the conductive substrate is an aluminum alloy foil containing 0.03 to 1.0 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.3% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, an aluminum alloy foil after a final cold rolling having a tensile strength of 180 MPa or higher, a 0.2% yield strength of 160 MPa or higher, and an electrical conductivity of 58% IACS or higher; an aluminum alloy foil after performing a heat treatment at 120° C. for 24 hours, at 140° C. for 3 hours, or at 160° C. for 15 minutes after the final cold rolling having a tensile strength of 170 MPa or higher, and a 0.2% yield strength of 150 MPa or higher; the resin layer includes a resin containing an acryl-based resin, a soluble nitrocellulose-based resin or a chitosan-based resin, and a conductive material; and a water contact angle of the resin layer surface measured by θ/2 method in a thermostatic chamber at 23° C. is 30 degrees or more and 105 degrees or less when the resin is the acryl-based resin, 100 degrees of more and 110 degrees or less when the resin is the soluble nitrocellulose-based resin, and 20 degrees or more and 50 degrees or less when the resin is the chitosan-based resin. | 09-11-2014 |
| 20140272598 | METHOD FOR PRODUCING POROUS ALUMINUM FOIL, POROUS ALUMINUM FOIL, POSITIVE ELECTRODE CURRENT COLLECTOR FOR ELECTRICAL STORAGE DEVICES, ELECTRODE FOR ELECTRICAL STORAGE DEVICES, AND ELECTRICAL STORAGE DEVICE - A method for producing a porous aluminum foil of the present invention is characterized in that a porous aluminum film is formed on a surface of a substrate by electrolysis using a plating solution containing at least (1) a dialkyl sulfone, (2) an aluminum halide, and (3) a nitrogen-containing compound, and having a water content of 100 to 2000 ppm, and then the film is separated from the substrate. The nitrogen-containing compound is preferably at least one selected from the group consisting of an ammonium halide, a hydrogen halide salt of a primary amine, a hydrogen halide salt of a secondary amine, a hydrogen halide salt of a tertiary amine, and a quaternary ammonium salt represented by the general formula: R | 09-18-2014 |
| 20140287320 | ELECTRODE AND METHOD FOR MANUFACTURING AN ELECTRODE - A method for manufacturing an electrode. To provide a particularly cost-effective method, which is able to provide a current collector layer that adheres well and is electrically well-connected, the method including: a) providing a layer having an active material; b) one-sided electrochemical deposition of a metallic material on the layer having the active material, thus forming a current collector layer having the metallic material; c) joining the product obtained in b) to another layer having an active material and to a contact element so that the current collector layer having the deposited metallic material is situated between two layers having an active material, and that the contact element for establishing contact is at least partially exposed and is in contact with the current collector layer having the deposited metallic material. | 09-25-2014 |
| 20140315094 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, ELECTRICAL STORAGE DEVICE, AND NITROCELLULOSE RESIN MATERIAL - A current collector which is suitable for discharging and charging at a large current density is provided. The present invention provides a current collector including a conductive substrate and a conductive resin layer provided on one side or both sides of the conductive substrate. The conductive resin layer contains a soluble nitrocellulose-based resin and a conductive material. | 10-23-2014 |
| 20140315095 | COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ELECTRICAL STORAGE DEVICE - A current collector with improved electrochemical stability having a conductive resin layer formed thereon is provided. The current collector | 10-23-2014 |
| 20140329153 | ELECTRODE MATERIAL, ELECTRODE AND SECONDARY BATTERY - An electrode material for a secondary battery, which realizes a lowered contact resistance between the electrode material and an active material layer, is provided. A collector (electrode material) includes: a substrate | 11-06-2014 |
| 20140342236 | SCALABLE FABRICATION OF ONE-DIMENSIONAL AND THREE-DIMENSIONAL, CONDUCTING, NANOSTRUCTURED TEMPLATES FOR DIVERSE APPLICATIONS SUCH AS BATTERY ELECTRODES FOR NEXT GENERATION BATTERIES - Articles including an array of one-dimensional or three-dimensional nanopillar arrays disposed on a substrate and methods for the formation thereof. The methods can include filling a plurality of hollow nanopillars, which are supported on a substrate, with a first conductive material and removing the plurality of hollow nanopillars to leave a plurality of vertically-aligned, epitaxial nanopillars, comprising the first conductive material, on the substrate. | 11-20-2014 |
| 20140363743 | AMORPHOUS METAL CURRENT COLLECTOR - The present invention concerns an electrochemical device comprising a cathode and an anode separated from each other by a separator, the battery further comprising two current collectors so that the anode and cathode are each arranged between the separator and a current collector, characterized in that at least one of the two current collectors is made of an at least partially amorphous material comprising at least one metallic element. | 12-11-2014 |
| 20150017545 | Lead-Acid Battery Construction - Batteries comprise a carbon fibre electrode construction of the invention and have improved DCA and/or CCA, and/or may maintain DCA with an increasing number of charge-discharge cycles, and thus may be particularly suitable for use in hybrid vehicles. | 01-15-2015 |
| 20150037684 | STEEL FOIL AND METHOD FOR MANUFACTURING THE SAME - A steel foil according to an aspect of the present invention includes, by mass %, C: 0.0001 to 0.02%; Si: 0.001 to 0.01%; Mn: 0.01 to 0.3%; P: 0.001 to 0.02%; S: 0.0001 to 0.01%; Al: 0.0005 to 0.1%; N: 0.0001 to 0.004%; and a balance consisting of Fe and impurities, wherein a thickness is 5 to 15 μm, and a tensile strength is more than 900 MPa and 1.200 MPa or less. | 02-05-2015 |
| 20150050559 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ELECTRICITY STORAGE COMPONENT - The present invention relates to current collectors, electrode structures, non-aqueous electrolyte batteries, and electrical storage devices (electrical double layer capacitors, lithium ion capacitors, and the like) that are capable to realize superior battery characteristics by suitably forming an active material layer by using an aqueous solvent. A current collector having a resin layer on at least one side of a conductive substrate, the resin layer being formed by a composition for current collector including an acryl-based resin containing acrylic acid ester and acryl amide or derivatives thereof as a main component; melamine or derivatives thereof; and carbon particles, is provided. | 02-19-2015 |
| 20150064571 | CURRENT COLLECTOR STRUCTURE - A current collector structure includes a metal foil substrate and a graphene conductive layer provided on at least one surface of the metal foil substrate. The graphene conductive layer includes a plurality of graphene sheets and a polymer binder used to bind the graphene sheets together and to adhere the graphene sheets onto the metal foil substrate. The conductive layer has a thickness of 0.1 μm to 5 μm and a resistance less than 1 Ω-cm. The polymer binder increases the adhesion force, such that the integrated conductive network is thus formed. Since the polymer binder is well compatible with the binder as the active material contained in the electrochemical element. The active material of the electrochemical element is thus tightly bound with the graphene conductive layer so as to minimize the contact resistance and greatly improve the performance of the electrochemical element. | 03-05-2015 |
| 20150093649 | METHOD OF PRODUCING CURRENT COLLECTOR FOR ELECTROCHEMICAL ELEMENT, METHOD OF PRODUCING ELECTRODE FOR ELECTROCHEMICAL ELEMENT, CURRENT COLLECTOR FOR ELECTROCHEMICAL ELEMENT, ELECTROCHEMICAL ELEMENT, AND COATING LIQUID FOR FABRICATING CURRENT COLLECTOR FOR ELECTROCHEMICAL ELEMENT - An object of the present invention is to provide a method of producing a current collector for an electrochemical element that enable rapid charging and discharging with low internal resistance. The method of producing a current collector for an electrochemical element in the present invention has a step for coating a coating liquid onto a metal foil, the coating liquid containing at least one substance selected from the group consisting of methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxyethyl ethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl starch, hydroxypropyl starch, dextrin, pullulan, dextran, guar gum and hydroxypropyl guar gum; an organic acid having valence of two or more or a derivative thereof, carbon particles and an organic solvent, followed by removing the organic solvent and forming a coating layer on the metal foil. | 04-02-2015 |
| 20150118569 | Electric Storage Device - An electric storage device according to the present invention includes: an electrode assembly including positive and negative electrode plates that are insulated from each other, at least one of the electrode plates having an active material layer formed part and an active material layer non-formed part; positive and negative current collectors; and a metal material abutted against the active material layer non-formed part, wherein the metal material includes a curled part in which an edge of the metal material is curved in a direction away from the active material layer non | 04-30-2015 |
| 20150125757 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY AND ELECTRICAL STORAGE DEVICE, AND METHOD FOR PRODUCING CURRENT COLLECTOR - A current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device capable of providing superior shut down function are provided. According to the present invention, a current collector having a resin layer on at least one side of a conductive substrate, wherein: the resin layer has a thermoplastic resin dispersed in a thermosetting resin base material, the thermoplastic resin encapsuling a conductive agent; a value given by (average thickness of the conductive agent)/(average thickness of the thermoplastic resin) is 0.5 to 3; the conductive agent is formulated so that a value of volume % given by (conductive agent)/(conductive agent+thermoplastic resin) is 10 to 50%; and formulation ratio of the thermoplastic resin is 10 to 65%, is provided. | 05-07-2015 |
| 20150125758 | GRAPHENE FILM, PREPARATION METHOD AND APPLICATION THEREOF - Disclosed is a preparation method of graphene film. The method comprises the following steps: providing a clean substrate, followed by positively charged processing of the substrate surface; preparing suspension of graphene with negative charges on surface and the suspension of graphene with positive charges on surface respectively; immersing the surface-treated substrate into the suspension of graphene with negative charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, and then immersing it into the suspension of graphene with positive charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, so alternately repeated 10 to 50 times to obtain a graphene film precursor, and finally reducing the graphene film precursor at 500-1000° C. to obtain the grapheme film. | 05-07-2015 |
| 20150132657 | ALUMINUM ALLOY FOIL FOR ELECTRODE CURRENT COLLECTOR, METHOD FOR MANUFACTURING SAME, AND LITHIUM ION SECONDARY BATTERY - The present invention provides an aluminum alloy foil for electrode current collector, high in strength and superior in heat resistance after the active material coating/drying process of the manufacture of the battery, a manufacturing method thereof, and a lithium ion secondary battery. According to the present invention, an aluminum alloy foil for electrode current collector, including 0.1 to 0.5 mass % (hereinafter mass % is referred to as %) of Fe, 0.01 to 0.5% of Si, 0.01 to 0.2% of Cu, 0.01 to 0.5% of Mn, with the rest being Al and unavoidable impurities, wherein tensile strength of an aluminum alloy foil and a heat treatment selected from 24 hours at 100° C., 3 hours at 150° C., and 15 minutes at 200° C., is 210 MPa or higher, a manufacturing method thereof, and a lithium ion secondary battery are provided. | 05-14-2015 |
| 20150132658 | COPPER FOIL, NEGATIVE ELECTRODE CURRENT COLLECTOR AND NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY - An object of the present invention is to provide a copper foil inexpensive and sufficient in tensile strength even after heat treatment. The copper foil includes zinc in a content range of 0.02% by mass to 2.7% by mass in the total mass of the entire copper foil, and if the regions in thicknesses direction from both surfaces of the copper foil where occupies 5% by mass in the total mass of the entire copper foil are referred to as the respective external layers and a region between one external layer and the other external layer is referred to as an internal layer, the internal layer includes copper as a main element and includes 100 ppm or more of one or mixture of small amount-elements selected from carbon, sulfur, chlorine and nitrogen, and includes zinc at 10% or more in the total mass of zinc included in the entire copper foil. | 05-14-2015 |
| 20150318555 | CURRENT COLLECTOR FOR BATTERY AND BATTERY USING SAME - A current collector for a battery includes: a layer ( | 11-05-2015 |
| 20150349347 | CLADDING MATERIAL FOR BATTERY COLLECTOR AND ELECTRODE - This cladding material for a battery collector consists of a cladding material having a two-layer structure formed by bonding a first layer arranged on a first surface and constituted of an Al-based alloy and a second layer arranged on a second surface and constituted of a Cu-based alloy to each other by rolling. The ratio of the thickness of the first layer to the total thickness of the first layer and the second layer is not more than 35%. | 12-03-2015 |
| 20150380740 | METAL BACKED NANOWIRE ARRAYS - In an aspect of this disclosure, a structure is provided comprising a metallic holding layer and an array of semiconductor nanowires. A portion of each semiconductor nanowire is embedded in the metallic holding layer. The embedded nanowires do not penetrate through the metallic holding layer. The metallic holding layer makes electrical contact to the semiconductor nanowires. | 12-31-2015 |
| 20160028088 | Electrode Current Collector Shielding And Protection - A corrosion-resistant conductive liquid coating for a current collector is described herein. The coating includes a mixture of carbon and wax. The wax can be selected from a paraffin wax, a microcrystalline wax, and mixtures and combinations thereof. The mixture can have a carbon loading of approximately 10 to 50 wt. %, based on total weight of the mixture. Methods for protecting a current collector from material degradation are also described herein. | 01-28-2016 |
| 20160043405 | BIPOLAR BATTERY CURRENT COLLECTOR AND BIPOLAR BATTERY - Provided is a bipolar battery current collector that includes a conductive resin layer formed in such a manner as to, when at least part of the conductive resin layer reaches a predetermined temperature, interrupts a flow of electric current through the at least part of the conductive resin layer in a vertical direction thereof. Also provided is a bipolar battery using the current collector. It is possible by the use of the current collector to suppress local heat generation in the bipolar battery and improve the durability of the bipolar battery. | 02-11-2016 |
| 20160056473 | CATHODE CURRENT COLLECTOR FOR ELECTRICAL ENERGY STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed. | 02-25-2016 |
| 20160079602 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery in which it is possible to increase a capacity retention rate is provided. | 03-17-2016 |
| 20160087280 | CURRENT COLLECTOR FOR LITHIUM ION SECONDARY BATTERIES AND POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES - A current collector for a lithium ion secondary battery, on which an electrode mixture layer is formed, satisfies A≧0.10 μm and 6≦(B/A)≦15 when assuming that a three-dimensional center plane average roughness SRa of a surface of at least one side of the current collector on which the electrode mixture layer is formed is A and a ratio of an actual surface area of the surface of at least one side of the current collector to a geometric area of the surface of at least one side of the current collector, which is (actual surface area)/(geometric area), is B. | 03-24-2016 |
| 20160104583 | PRODUCTION METHOD FOR ALUMINUM POROUS BODY, ALUMINUM POROUS BODY, CURRENT COLLECTOR, ELECTRODE, AND ELECTROCHEMICAL DEVICE - A production method for an aluminum porous body includes a step of producing a resin structure by forming an aluminum film on a surface of a resin base having a three-dimensional network structure by molten salt electrolytic plating, a step of removing moisture from the resin structure, and a step of removing the base by heat-treating the resin structure from which moisture has been removed. In the step of removing moisture from the resin structure, the resin structure is preferably heat-treated at a temperature of 50° C. or higher and 300° C. or lower. In the step of removing the base, the resin structure is preferably heat-treated at a temperature equal to or higher than 370° C. and lower than the melting point of aluminum. | 04-14-2016 |
| 20160111719 | METHOD FOR MANUFACTURING A PLURALITY OF NANOWIRES - A method for manufacturing a plurality of nanowires, the method including: providing a carrier comprising an exposed surface of a material to be processed and applying a plasma treatment on the exposed surface of the material to be processed to thereby form a plurality of nanowires from the material to be processed during the plasma treatment. | 04-21-2016 |
| 20160190599 | CURRENT COLLECTOR FOR SECONDARY BATTERY AND ELECTRODE USING SAME - The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector according to an embodiment of the present invention includes a conductive substrate; and a conductive fiber layer, which is dispersed on the conductive substrate and comprises pores. The conductive fiber layer comprises a plurality of metal filaments and liner binders mixed with the plurality of metal filaments, and the conductive fiber layer is combined with the conductive substrate via the mixed linear binders. | 06-30-2016 |
| 20160200850 | AGENT FOR DISPERSING ELECTRICALLY CONDUCTIVE CARBON MATERIAL, AND DISPERSION OF ELECTRICALLY CONDUCTIVE CARBON MATERIAL | 07-14-2016 |
| 20160380271 | CONDUCTOR, POWER STORAGE DEVICE, ELECTRONIC DEVICE, AND METHOD FOR FORMING CONDUCTOR - A novel electrode is provided. A novel power storage device is provided. A conductor having a sheet-like shape is provided. The conductor has a thickness of greater than or equal to 800 nm and less than or equal to 20 μm. The area of the conductor is greater than or equal to 25 mm | 12-29-2016 |
| 20180026301 | ALL SOLID STATE BATTERY | 01-25-2018 |
| 20190148736 | ELECTRODEPOSITED COPPER FOIL AND METHOD FOR PRODUCING THE SAME, AND CURRENT COLLECTOR FOR LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY COMPRISING THE ELECTRODEPOSITED COPPER FOIL | 05-16-2019 |
