UACJ CORPORATION Patent applications |
Patent application number | Title | Published |
20160126557 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ELECTRICAL STORAGE DEVICE - Provided is a current collector with low resistance and superior durability, which hardly suffer any change in the appearance of the current collector after the pressing process, and electrode structures, non-aqueous electrolyte batteries, and electrical storage devices using such current collector. A current collector, including an aluminum foil; and a conductive resin layer provided on at least one side of the aluminum foil; wherein the conductive resin layer includes a resin and conductive particles; the aluminum foil has a tensile strength of 180 MPa or higher; an indentation hardness at a surface of the conductive resin layer of the current collector is 600 MPa or lower; and an area occupying ratio of the conductive particles at the surface of the conductive resin layer is 45% or higher, is provided. | 05-05-2016 |
20160116236 | ALUMINUM ALLOY FIN MATERIAL FOR HEAT EXCHANGERS, AND METHOD OF PRODUCING THE SAME - An aluminum alloy fin material for heat exchangers, containing 0.5 to 1.5 mass % of Si; more than 1.0 mass % but not more than 2.0 mass % of Fe; 0.4 to 1.0 mass % of Mn; and 0.4 to 1.0 mass % of Zn, with the balance being Al and unavoidable impurities, wherein a metallographic microstructure before braze-heating is such that a density of second phase particles having a circle-equivalent diameter of less than 0.1 μm is less than 1×10 | 04-28-2016 |
20160116235 | ALUMINUM ALLOY FIN MATERIAL FOR HEAT EXCHANGERS, AND METHOD OF PRODUCING THE SAME - An aluminum alloy fin material for heat exchangers, containing 0.5 to 1.5 mass % of Si; 0.1 to 1.0 mass % of Fe; 0.8 to 1.8 mass % of Mn; and 0.4 to 2.5 mass % of Zn, with the balance being Al and unavoidable impurities, wherein a metallographic microstructure before braze-heating is such that a density of second phase particles having a circle-equivalent diameter of less than 0.1 μm is less than 1×10 | 04-28-2016 |
20160116234 | HEAT EXCHANGER, AND FIN MATERIAL FOR SAID HEAT EXCHANGER - There is provided a heat exchanger and a fin material for the heat exchanger that can suppress occurrence of hollow corrosion in a fin and hold cooling performance for a long period of time under a high corrosion environment. The heat exchanger includes an aluminum tube through which a working fluid circulates and an aluminum fin which is bonded to the tube. The fin has a region B around a grain boundary, and a region A around the region B. In the region B, 5.0×10 | 04-28-2016 |
20160114435 | BRAZING SHEET FOR HEAT EXCHANGERS, AND METHOD OF PRODUCING THE SAME - An aluminum alloy brazing sheet for heat exchangers, having a core alloy containing Mn 0.6 to 2.0 mass %, Fe 0.05 to 0.5 mass %, Si 0.4 to 0.9 mass %, and Zn 0.02 to 4.0 mass %, with the balance being Al and unavoidable impurities; and as a skin alloy containing Si 6.0 to 13.0 mass %, Fe 0.05 to 0.80 mass %, and Cu 0.05 to 0.45 mass %, with the balance being Al and unavoidable impurities, wherein a ratio A/B of a number density A of specific precipitates with a particle size 0.1 μm or more but less than 3.0 μm, and a number density B of precipitates with a particle size 3.0 μm or more in the core alloy, satisfies: 50≦A/B≦500, and wherein an average grain size of the core alloy in a longitudinal cross-section of a fin after braze-heating is 100 μm or more; and a method of producing the same. | 04-28-2016 |
20160089860 | ALUMINUM ALLOY MATERIAL HAVING THERMAL BONDING FUNCTION IN SINGLE LAYER, MANUFACTURING METHOD FOR SAME, AND ALUMINUM BONDED BODY USING THE ALUMINUM ALLOY MATERIAL - This invention provides an aluminum alloy material capable of being thermally bonded in a single layer without using a bonding agent, such as a brazing or welding filler metal. This invention also provides a bonding method for the aluminum alloy material, and an aluminum bonded body using the aluminum alloy material. The aluminum alloy material is made of an aluminum alloy containing Si: 1.0 to 5.0 mass % and Fe: 0.01 to 2.0 mass % with the balance Al and inevitable impurities. The aluminum alloy material contains 10 to 1×10 | 03-31-2016 |
20160072265 | RESIN-COATED WIRE HARNESS PIPE - A wire harness pipe includes an aluminum pipe, a heat shrink tube that coats the outer surface side of the aluminum pipe, and an adhesive layer that is disposed between the aluminum pipe and the heat shrink tube. | 03-10-2016 |
20160042878 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, BATTERY AND CAPACITOR - A current collector with high safety which can realize both of a superior conductivity at normal temperature conditions and a superior shut down function at high temperature conditions, is provided. | 02-11-2016 |
20150311001 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, AND ELECTRICAL STORAGE DEVICE - A current collector which can achieve both of the improvement in battery characteristics by reducing the initial (at ambient temperature) interface resistance and the improvement in safety by the PTC function, when the current collector is used for the electrode structure of electrical storage devices such as non-aqueous electrolyte batteries, electrical double layer capacitors, and lithium ion capacitors; electrode structures; electrical storage devices; and composition for current collectors; are provided. A current collector, including: a conductive substrate | 10-29-2015 |
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 |
20150294802 | CURRENT COLLECTOR, ELECTRODE STRUCTURE AND NON-AQUEOUS ELECTROLYTE BATTERY OR ELECTRICAL STORAGE DEVICE - Provided is a current collector which has a PTC layer having room for thermal expansion at elevated temperature while securing sufficient conductivity at normal temperature. According to the invention, a current collector comprising a conductive base material, and a resin layer formed on at least one surface of the conductive base material is provided. The resin layer contains an organic resin and conductive particles. A deposition amount of the resin layer on the conductive base material is 0.5 to 20 g/m | 10-15-2015 |
20150290748 | FLUX COMPOSITION - A flux composition includes a component (A) that is a powder of an alkali metal zinc fluoroaluminate represented by “M | 10-15-2015 |
20150280241 | COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, CONDUCTIVE FILLER, AND ELECTRICAL STORAGE DEVICE - The present invention provides a current collector having a conductive layer which is excellent in adhesion strength and can exhibit a PTC function for stably contributing to safety, when used for an electrode structure for non-aqueous electrolyte batteries or for electrical storage devices. A current collector, including a metal foil and a conductive layer formed on at least one side of the metal foil, the conductive layer being formed partially or entirely on the surface of the metal foil; is provided. Here, the conductive layer contains core shell particles including core particles | 10-01-2015 |
20150273635 | ALUMINUM ALLOY BRAZING METHOD, AND ALUMINUM ALLOY MEMBER COVERED WITH FLUX COMPONENT - A method for brazing an aluminum alloy includes applying a flux component to a surface of an aluminum alloy member, and brazing the aluminum alloy member to which the flux component has been applied, the flux component being a component (A) that is a powder of an alkali metal zinc fluoroaluminate represented by “M | 10-01-2015 |
20150248973 | ALUMINUM ALLOY FOIL FOR ELECTRODE CHARGE COLLECTOR, AND METHOD FOR PRODUCING SAME - An object of the present invention is to provide an aluminum alloy foil for electrode current collectors having superior rolling properties, high conductivity, and high strength after the drying step following the application of the active material. According to the present invention, an aluminum alloy foil for electrode current collector, including 0.03 to 0.1% of Fe, 0.005 to 0.02% of Ti, 0 to 0.1% of Si, 0 to 0.01% of Cu, 99.85% or more of Al, with the rest being unavoidable impurities, wherein tensile strength of the aluminum alloy foil is 175 MPa or higher, and electrical conductivity of the aluminum alloy foil is 60% IACS or higher, is provided. | 09-03-2015 |
20150221452 | CURRENT COLLECTOR, ELECTRODE, SECONDARY CELL, AND CAPACITOR - Provided are a current collector which has an excellent high-rate property and exerts a sufficient safety function when employed in a secondary battery or a capacitor, as well as an electrode, a secondary battery or a capacitor in which said current collector is employed. According to the invention, a current collector is provided which comprises: metal foil; and a conductive layer with a film thickness of 0.1 μm to 10 μm formed on a surface of said metal foil. Here, said conductive layer includes a conductive material and a binder material. A melting point of said binder material is 80° C. to 150° C. Further, said binder material shows, in differential scanning calorimetry (DSC) in a range from room temperature to 200° C., one or more endothermic peaks in the heating-up process. In a case where said binder material shows two or more endothermic peaks, each difference between said peaks is 15° C. or more. Moreover, said binder material shows one or more exothermic peaks in the cooling-down process. In a case where said binder material shows only one exothermic peak, said exothermic peak falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less. On the other hand, in a case where said binder material shows two or more exothermic peaks, a maximum exothermic peak among said exothermic peaks falls within a range of 50 to 120° C., and a width at half maximum of said exothermic peak is 10° C. or less. | 08-06-2015 |
20150221449 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, AND ELECTRICAL STORAGE DEVICE - Provided is a current collector which can secure safety by certainly exhibiting the PTC function when used for an electrode structure of an electrical storage device such as non-aqueous electrolyte batteries, electrical double layer capacitors, lithium ion capacitors, and the like. Here, the current collector shall also be capable of being used for high-speed charge/discharge, having long life, being high in safety, and having excellent productivity. According to the present invention, a current collector | 08-06-2015 |
20150214551 | CURRENT COLLECTOR FOIL, ELECTRODE STRUCTURE, LITHIUM SECONDARY BATTERY, OR ELECTRICAL DOUBLE LAYER CAPACITOR - The present invention provides a current collector foil; and an electrode structure, lithium secondary battery or an electrical double layer capacitor using the current collector foil, which can achieve superior high rate characteristics. Provided is a current collector foil for forming thereon an active material layer containing active material particles, wherein: the current collector foil is provided with a roughened portion; a cross sectional curve of the roughened portion has a box counting dimension of 1.1 or higher; and an average length of waviness motif AW of the cross-sectional curve of the roughened portion is longer than twice of D | 07-30-2015 |
20150203941 | ALUMINUM ALLOY FOIL AND METHOD FOR MANUFACTURING SAME - An aluminum alloy foil having superior formability is provided. An aluminum alloy foil, including 0.8 to 2.0 mass % of Fe, 0.05 to 0.2 mass % of Si, and 0.0025 to 0.5 mass % of Cu, with the rest consisting of Al and unavoidable impurities, wherein the aluminum alloy foil has an average crystal grain size of 20 μm or less, and a number of intermetallic compounds existing in the aluminum alloy foil, the intermetallic compounds having a circle equivalent diameter of 1.0 to 5.0 μm, is 1.0×10 | 07-23-2015 |
20150188145 | ALUMINUM ALLOY FOIL FOR ELECTRODE CURRENT COLLECTOR, METHOD FOR MANUFACTURING SAME, AND ELECTRODE MATERIAL - The present invention provides an aluminum alloy foil, capable of going under thin rolling during its manufacture. The aluminum alloy foil shall also avoid cuts during the active material paste coating process and wrinkles during the press working process, and have suitable strength for the series of manufacturing processes from the manufacture of the aluminum alloy foil to the manufacture of the electrode material. Further, the present invention provides an aluminum alloy foil for electrode current collector, including 0.50 to 1.50 mass % (hereinafter mass % is referred to as %) of Mn, 0.05 to 0.50% of Cu, 0.20 to 1.00% of Fe, 0.01 to 0.60% of Si, with the rest consisting of Al and unavoidable impurities, a manufacturing method thereof, and an electrode material. Here, regarding the aluminum alloy foil, a solid solution amount of Mn is 1500 ppm or more, a solid solution amount of Cu is 40 ppm or more, and a tensile strength after a final cold rolling (T1) is 260 MPa or higher and 350 MPa or lower. | 07-02-2015 |
20150144493 | ALUMINUM ALLOY PLATE - An aluminum alloy plate includes peritectic elements and Mg. Wherein plate thickness of the plate is represented as t (mm), a range within ±0.01×t from t/2 is represented as a central portion, a range within ±0.01×t from t/4 is represented as a quarter portion, and a range within 0.02×t from a top surface in the plate thickness direction is represented as a superficial portion, concentration of the peritectic elements is such that a concentration difference between in the central portion and in the quarter portion, and a concentration difference between in the central portion and in the superficial portion are 0.04% (mass %) or less. In addition, concentration of the Mg is such that a concentration difference between in the central portion and in the quarter portion, and a concentration difference between in the central portion and in the superficial portion of the plate thickness are 0.4% or less. | 05-28-2015 |
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 |
20150099170 | ALUMINUM FOIL FOR A CURRENT COLLECTOR AND METHOD OF MANUFACTURING THE SAME - At least one foil surface of an aluminum foil is roughened; and in arithmetic mean roughnesses Ra, stipulated in JIS B 0601:2001, of the roughened surface(s), A, which is the arithmetic mean roughness Ra measured in a direction at a right angle to a rolling direction during foil rolling, and B, which is the arithmetic mean roughness Ra measured in a direction parallel to the rolling direction during foil rolling, satisfy the following relationships: 0.15 μm≦A≦2.0 μm; 0.15 μm≦B≦2.0 μm; and 0.5≦B/A≦1.5. Preferably 50-1000 μg/m | 04-09-2015 |
20150086855 | ALUMINUM ALLOY SHEET MATERIAL FOR LITHIUM-ION BATTERY AND METHOD FOR PRODUCING THE SAME - An aluminum alloy sheet material for a lithium-ion battery can significantly reduce the number of welding defects (e.g., bead non-uniformity and underfill) that occur during laser welding. The aluminum alloy sheet material includes 0.8 to 1.5 mass % of Mn, 0.6 mass % or less of Si, 0.7 mass % or less of Fe, 0.2 mass % or less of Cu, and 0.2 mass % or less of Zn, with the balance being Al and unavoidable impurities, Al—Mn—Si-based intermetallic compounds having a maximum length of less than 1.0 μm being distributed in a matrix of the aluminum alloy sheet material in a number equal to or larger than 0.25 per μm | 03-26-2015 |
20150064569 | CURRENT COLLECTOR, ELECTRODE STRUCTURE, NONAQUEOUS ELECTROLYTE BATTERY, AND ELECTRICITY STORAGE COMPONENT - A current collector, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device capable of achieving superior shut down function, are provided. According to the present invention, a current collector | 03-05-2015 |
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 |
20150041112 | PROCESS FOR PRODUCING ALUMINUM ALLOY TUBE HAVING SACRIFICIAL ANTICORROSION LAYER AND JOINING LAYER - Provided is an aluminum alloy tube with superior corrosion resistance and a joining layer for brazing. In addition, a heat exchanger using a fin which utilizes a bare material of low cost and higher availability, rather than a clad material, is provided. A manufacturing method of an aluminum alloy tube, including the steps of forming a sacrificial anticorrosion layer comprising Zn, by ark spraying Zn with purity of 95% or more, onto a surface of aluminum alloy tube with a spraying amount of 3 to 10 g/m | 02-12-2015 |
20140367454 | METHOD FOR MANUFACTURING ALUMINUM ALLOY CLADDING MATERIAL - A first layer ( | 12-18-2014 |
20140356647 | ALUMINUM ALLOY CLAD MATERIAL FOR FORMING - The aluminum alloy clad material for forming of the present disclosure includes: an aluminum alloy core material containing Mg: 0.2 to 1.5% (mass %, the same hereinafter), Si: 0.2 to 2.5%, Cu: 0.2 to 3.0%, and the remainder being Al and inevitable impurities; an aluminum alloy surface material which is cladded on one side or both sides the core material, the thickness of the clad for one side being 3 to 30% of the total sheet thickness, and which has a composition including Mg: 0.2 to 1.5%, Si: 0.2 to 2.0%, Cu being restricted to 0.1% or smaller, and the remainder being Al and inevitable impurities; and an aluminum alloy insert material which is interposed between the core material and the surface material, and has a solidus temperature of 590° C. or lower. | 12-04-2014 |
20140329109 | METHOD FOR BRAZING SHEET MATERIAL AND HEAT EXCHANGER - In a method for brazing a sheet material without use of flux, an inert gas is firstly introduced into an oxygen pump to reduce an oxygen partial pressure in the inert gas to 1×10 | 11-06-2014 |
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 |
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 |
20140315042 | BRAZING SHEET FOR FLUX-FREE BRAZING AND METHOD FOR PRODUCING SAME - A brazing sheet for flux-free brazing, comprising a core material, a brazing material disposed on at least one surface of the core material, and a thin skin material disposed on the brazing material, wherein the core material is made of an aluminum alloy having a higher melting point than that of the brazing material; the brazing material is made of an Al—Si—Mg based alloy and has a thickness of 25 to 250 μm; the thin skin material is made of an aluminum alloy having a higher melting initiation temperature than the brazing material and containing substantially no Mg, and has a thickness of 5 to 30 μm; and a content of an oxide existing at an interface between the brazing material and the thin skin material is 0.1 ppm or less in weight ratio with respect to the entire clad material. The present invention provides a brazing sheet for flux-free brazing, which has a thin skin material, with uniform brazing characteristics, and enables stable joining. | 10-23-2014 |
20140261908 | ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR - An object of the present invention is to provide an aluminum alloy foil for an electrode current collector and a manufacturing method thereof, the foil having a high strength and high strength after a drying process after the application of the active material while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: forming by continuous casting an aluminum alloy sheet containing 0.03 to 1.0% of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, performing cold rolling to the aluminum alloy sheet at a cold rolling reduction of 80% or lower, and performing heat treatment at 550 to 620° C. for 1 to 15 hours. | 09-18-2014 |
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 |
20140246127 | HIGH-STRENGTH ALUMINUM ALLOY AND PROCESS FOR PRODUCING SAME - A high-strength aluminum alloy material having a chemical composition which includes Zn: more than 7.2% (mass %, the same applies hereafter) and 8.7% or less, Mg: 1.3% or more and 2.1% or less, Cu: 0.01% or more and 0.10% or less, Zr: 0.01% or more and 0.10% or less, Cr: less than 0.02%, Fe: 0.30% or less, Si: 0.30% or less, Mn: less than 0.05%, Ti: 0.001% or more and 0.05% or less, the balance being Al and unavoidable impurities, is provided. It has a proof stress of 350 MPa or more, and a metallographic structure formed of a recrystallized structure, and L* and b* values, as defined in JIS Z8729 (ISO 7724-1), are 85 or more and 95 or less and 0 or more and 0.8 or less, respectively, as measured after anodization using a sulfuric acid bath. | 09-04-2014 |
20140209350 | PLATE-LIKE ELECTRIC CONDUCTOR FOR A BUSBAR AND THE BUSBAR FORMED THEREFROM - A plate-like electric conductor for a busbar having excellent electric conductivity, strength and bendability, and a busbar formed therefrom. | 07-31-2014 |
20140205900 | ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR - An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength and high strength after a drying process. The aluminum alloy foil can be manufactured at low cost. Disclosed is an aluminum alloy foil for electrode current collector, including 0.03 to 1.0% of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, 0.005 to 0.03% of Ti, with the rest being Al and unavoidable impurities. The aluminum alloy foil has Fe solid solution content of 200 ppm or higher, and an intermetallic compound having a maximum diameter length of 0.1 to 1.0 μm in an number density of 2.0×10 | 07-24-2014 |
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 |
20140178709 | ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTORS AND PRODUCTION METHOD THEREFOR - An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength after the drying step while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: maintaining an aluminum alloy ingot comprising 0.1 to 0.5% of Fe, 0.01 to 0.3% of Si, 0.01 to 0.2% of Cu, 0.01% or less of Mn, with the rest being Al and unavoidable impurities, at 550 to 620° C. for 1 to 20 hours, and subjecting the resulting ingot under a hot rolling with a starting temperature of 500° C. or higher and an end-point temperature of 255 to 300° C. | 06-26-2014 |
20140170488 | COLLECTOR, ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, AND ELECTRICITY STORAGE COMPONENT - An object of the present invention is to provide a current collector which can decrease the internal resistance of a non-aqueous electrolyte battery, be used suitably for a non-aqueous electrolyte battery such as a lithium ion secondary battery and the like or for an electrical storage device such as a lithium ion capacitor and the like, and improve high rate characteristics. According to the present invention, a current collector which is structured by forming a resin layer possessing conductivity on at least one side of a conductive substrate is provided. The resin layer contains a chitosan-based resin and a conductive material, and the water contact angle of the surface of the resin layer measured by θ/2 method in a thermostatic chamber at 23° C. is 5 degrees or more and 60 degrees or less. In addition, an electrode structure, a non-aqueous electrolyte battery, and an electrical storage device which use the current collector are provided. | 06-19-2014 |
20140162122 | COLLECTOR AND ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, ELECTRICAL DOUBLE LAYER CAPACITOR, LITHIUM ION CAPACITOR, OR ELECTRICITY STORAGE COMPONENT USING SAME - An object of the present invention is to improve an adhesion between the surface of a conductive resin layer and an active material, which are provided to a current collector. Another object of the present invention is to improve a high rate characteristics or electrode lifetime of a non-aqueous electrolyte battery, an electrical double layer capacitor, a lithium ion capacitor and the like which uses the current collector. A current collector prepared by forming a resin layer possessing conductivity on a conductive substrate, is provided. A surface roughness Ra of the resin layer possessing conductivity is 0.1 μm or higher and 1.0 μm or lower. In addition, when a coating thickness of the resin layer possessing conductivity is taken as t [μm] and the average angle of inclination of the resin layer surface is taken as θa [degree], (⅓)t+0.5≦θa≦(⅓)t+10 is met. | 06-12-2014 |
20140162085 | ALUMINUM ALLOY FOIL FOR ELECTRODE COLLECTOR AND PRODUCTION METHOD THEREFOR - An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength after the drying step while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: maintaining an aluminum alloy ingot comprising 0.03 to 0.1% of Fe, 0.01 to 0.1% of Si, 0.0001 to 0.01% of Cu, 0.005% or less of Mn, with the rest being Al and unavoidable impurities, at 550 to 620° C. for 1 to 20 hours, and subjecting the resulting ingot under a hot rolling with a starting temperature of 500° C. or higher and an end-point temperature of 255 to 300° C. | 06-12-2014 |
20140134458 | ALUMINUM-ALLOY BRAZING SHEET AND METHOD OF MANUFACTURING SAME - An aluminum-alloy brazing sheet having good corrosion resistance is provided. The aluminum-alloy brazing sheet comprises a core made of an aluminum alloy, a brazing filler metal made of an Al—Si based alloy and clad on one surface of the core, and a sacrificial anode material clad on the other surface of the core, the sacrificial anode material containing Zn: 1.0 to 6.0 mass %, Si: 0.5 to 1.5 mass %, Fe: 0.5 to 1.5 mass %, and Ti: 0.05 to 0.20 mass %, the core containing Si: 0.5 to 1.2 mass %, Fe: 0.05 to 0.60 mass %, Cu: 0.3 to 1.0 mass %, Mn: 0.5 to 1.6 mass %, and Ti: 0.05 to 0.20 mass %, and Vickers hardness of the sacrificial anode material after heating conducted in the same way as the brazing of the brazing sheet being not less than 30 Hv. A method of manufacturing the aluminum-alloy brazing sheet is also provided. | 05-15-2014 |
20140125073 | IMPACT ABSORBING MEMBER AND BUMPER DEVICE - An impact absorbing member is formed by bending one sheet of a metal plate material and then joining adjacent end parts thereof. The impact absorbing member includes the following integrally-connected portions: a fixing plate, an impact absorbing part having two first side wall plates and two second side wall plates, two flange plates, and two bridge plates. The impact absorbing part overall has an approximate square or rectangular tube shape after being bent. Joining parts are provided at each opposing end parts of the first and second side wall plates. The adjacent end parts of the first and second side wall plates overlap and are joined. The end parts of the two flange plates are also joined to the end parts of the two bridge plates. | 05-08-2014 |
20140124103 | HIGH-STRENGTH ALUMINUM ALLOY MATERIAL AND PROCESS FOR PRODUCING THE SAME - A high-strength aluminum material having a chemical composition which includes Zn: more than 7.2% (mass %, the same applies hereafter) and 8.7% or less, Mg: 1.3% or more and 2.1% or less, Cu: less than 0.50%, Fe: 0.30% or less, Si: 0.30% or less, Mn: less than 0.05%, Cr: 0.20% or less; Zr: less than 0.05%, Ti: 0.001% or more and 0.05% or less, the balance being Al and unavoidable impurities, is provided. It has a proof stress of 350 MPa or more, and a metallographic structure formed of a recrystallized structure. The recrystallized structure is comprised of crystal grains having an average particle diameter of 500 μm or less, and a crystal grain length in a direction parallel to a hot working direction is 0.5 to 4 times as long as a crystal grain length in a direction perpendicular to the hot working direction. | 05-08-2014 |