NONAQUEOUS SECONDARY BATTERY

NONAQUEOUS SECONDARY BATTERY

PROBLEM TO BE SOLVED: To increase an energy capacity and a cycle life of a lithium secondary battery. SOLUTION: In the nonaqueous secondary battery having as composing elements an anode having a cathode active substance, a cathode having a negative electrode material, and a nonaqueous electrolyte, t...

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1. Verfasser: MORI NOBUFUMI
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator MORI NOBUFUMI
description PROBLEM TO BE SOLVED: To increase an energy capacity and a cycle life of a lithium secondary battery. SOLUTION: In the nonaqueous secondary battery having as composing elements an anode having a cathode active substance, a cathode having a negative electrode material, and a nonaqueous electrolyte, the anode active substance is a lithium-containing transition metal oxide, the anode material is a compound containing silicon atoms capable of inserting and releasing lithium, and a current collector of the anode is a metal foil supporter having an average surface roughness of ≥0.03 μm and ≤1 μm, and a thickness of ≥5 μm and ≤100 μm. COPYRIGHT: (C)2008,JPO&INPIT
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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 SECONDARY BATTERY
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