Non-aqueous electrolyte battery

Non-aqueous electrolyte battery

The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electro...

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Hauptverfasser: ARIKAWA, TOSHIHIDE, KIKUMA, YUICHI, HIRUMA, TERUO, ISHII, HARUCHIKA, SHIKOTA, MASATAKA, NEWTON, KAZUKO, ASAMI, YOSHIAKI, WATANABE, HIDETOSHI, INAGAKI, HIROKI, TAHARA, HIROTADA
Format: Patent
Sprache:eng ; fre ; ger
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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 ARIKAWA, TOSHIHIDE
KIKUMA, YUICHI
HIRUMA, TERUO
ISHII, HARUCHIKA
SHIKOTA, MASATAKA
NEWTON, KAZUKO
ASAMI, YOSHIAKI
WATANABE, HIDETOSHI
INAGAKI, HIROKI
TAHARA, HIROTADA
description The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li + ). The lithium salt may contains LiPF 6 with a concentration of less than 50% (including 0%). The non-aqueous electrolyte battery may meet the following two formulas: 1 ‰¤ Q2/Q1 (I) and 1 ‰¤ C/A ‰¤ 2 (II), where Q1 represents a capacitance in a facing portion of the negative electrode, Q2 represents a capacitance in the facing portion of the positive electrode, A represents an area of a surface including the facing portion of the negative electrode of the negative electrode layer, and C represents an area of a surface including the facing portion of the positive electrode of the positive electrode layer.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Non-aqueous electrolyte battery
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