NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with superior charging/discharging cycle characteristics. SOLUTION: The nonaqueous electrolyte secondary battery comprises a cathode equipped with a cathode current collector, an anode including an anode current collector, a...
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creator | KAMIBAYASHI SHINICHI HIRUMA MITSUO HOSOBUCHI KAORU HATANAKA CHIZURU |
description | PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with superior charging/discharging cycle characteristics. SOLUTION: The nonaqueous electrolyte secondary battery comprises a cathode equipped with a cathode current collector, an anode including an anode current collector, and a nonaqueous electrolyte. Grooves, having a distance of 0.1 to 5 mm from each other, are formed on at least one current collector out of the cathode current collector and the anode current collector, and the depth d(μm) of the grooves satisfies equation (1); d=at, where, t denotes the thickness of the current collector on which the grooves are formed, and a is a coefficient of proportionality between a range of 0.03 to 0.16. COPYRIGHT: (C)2005,JPO&NCIPI |
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subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
title | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY |
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