COLLECTOR AND ELECTRODE STRUCTURE, NON-AQUEOUS ELECTROLYTE CELL, ELECTRICAL DOUBLE LAYER CAPACITOR, LITHIUM ION CAPACITOR, OR ELECTRICITY STORAGE COMPONENT USING SAME
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Jun 12, 2014
app pub date -
Jul 27, 2012
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Jul 29, 2011
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Abstract
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.
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