摘要:
PROBLEM TO BE SOLVED: To provide a manufacturing device for a seat for a lithium ion secondary battery electrode capable of easily controlling a basis weight of powder to a substrate.SOLUTION: A manufacturing device comprises a rolled part 4 and a drive part 18. The rolled part 4 includes a pair of rolls 4A and 4B for pressing with which rotary shafts 14A and 14B are disposed in parallel and in the rolled part 4, powder 20 is passed between the pair of rolls for pressing when forming an electrode composition layer 28 on a substrate 22 by compression-molding the powder on the substrate by the pair of rolls for pressing. The drive part 18 moves a position of at least one of the pair of rolls for pressing in such a manner that an angle θ formed by a direction of passage of the powder between the pair of rolls for pressing and a direction of gravity becomes a predetermined angle within a range of 0°
摘要:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a lithium ion secondary battery capable of enhancing peel strength of a mixture layer in an electrode plate and preventing the battery capacity retention rate from being reduced.SOLUTION: In a method for manufacturing a lithium ion secondary battery 100, powdery granulation particles 41 containing at least an active material K and a binding material BD are supplied onto a polyolefin system separator Z to form a deposition layer 42. Moreover, the deposition layer 42 is pressurized and molded to form a mixture layer 43 on the polyolefin system separator Z.
摘要:
PROBLEM TO BE SOLVED: To provide a manufacturing method of an electrode in a nonaqueous electrolyte secondary battery in which an active material layer is formed of granulation particles containing a powdery active material, a binder and a conductive material on the surface of a collector, sufficient peel strength of the active material layer with respect to the collector can be ensured, and the internal resistance of the nonaqueous electrolyte secondary battery can be prevented from increasing due to corrosion on the collector surface.SOLUTION: The manufacturing method of an electrode includes, in this order, a coating step S101 for coating a collector 51 with a hot melt binder aqueous solution 52, a drying step S102 for forming a hot melt binder layer 52A by drying the hot melt binder aqueous solution 52, a supply step S103 for supplying granulation particles 60 containing at least powdery active material 61 and a binder 62 to the hot melt binder layer 52A, and a heating/compressing step S104 for compressing the collector 51, hot melt binder layer 52A, and granulation particles 60 in the thickness direction of the collector 51 while heating.
摘要:
PROBLEM TO BE SOLVED: To provide a positive electrode collector equipped with a conductive layer on the surface and with excellent productivity. SOLUTION: The positive electrode collector 10 is made by laminating a conductive layer 14 with conductivity on a base material 12 of aluminum or an aluminum alloy. The base material 12 has a surface oxidized film 16 at an interface of a base material body and the conductive layer 14, with a thickness of the surface oxidized film of 3 nm or less. COPYRIGHT: (C)2011,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a positive current collector excellent in productivity. SOLUTION: The positive current collector 10 is composed of a conductive layer 14 with conductivity laminated on a base material 12 made of aluminum or aluminum alloy, and the base material 12 has a surface oxidized film 16 on an interface between the base material body and the conductive layer 14 and the thickness of the surface oxidized film 16 is 3 nm or less. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To improve conductivity of an electrode sheet. SOLUTION: The electrode sheet 100 has an electrode material 108 containing an electrode active material held by a collector 311c. The collector 311c includes a sheet-shaped base material 102 and intermediate layers 104, 106 arranged on a surface of the base material 102. The intermediate layers 104, 106 have a laminated structure where a first film 104 made of conductive metal and a second film 106 made of metallic carbide are interposed in this order on the surface of the base material 102. Then, the electrode material 108 is held on the second film 106. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a current collecting foil for a battery, having a conductive coat on the surface of metal foil and no wrinkle, to provide a method of manufacturing the same, and to provide the battery using the current collecting foil. SOLUTION: The method of manufacturing the current collecting foil for the battery includes a conductive coat forming process to form the conductive coat (carbon coat) having conductivity on the surface of a metal foil (metal foil 33). In the conductive film forming process (step S2), the conductive coat (carbon coat) is formed on the surface of the metal foil (metal foil 33) in a prescribed pattern. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide an electrode foil for a battery at a low cost, with excellent corrosion resistance and conductivity and used for a positive electrode plate of a battery, to provide a positive electrode plate using the electrode foil for the battery, a battery using the positive electrode foil, moreover, a vehicle and a battery-equipped apparatus using the above, and to provide a method of manufacturing the electrode foil for the battery and a method of manufacturing the positive electrode foil. SOLUTION: The electrode foil for a battery 32 includes an aluminum electrode foil 33 in which metal aluminum is exposed, and corrosion-resistant layers 34A, 34B that are formed on surfaces 33a, 33b of the aluminum electrode foil, and that are in direct contact with the metal aluminum that forms the aluminum electrode foil, and that are made of tungsten carbide. COPYRIGHT: (C)2010,JPO&INPIT