POSITIVE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE BATTERY

POSITIVE ACTIVE MATERIAL AND NONAQUEOUS ELECTROLYTE BATTERY

PROBLEM TO BE SOLVED: To provide a positive active material having high charge discharge characteristics and to provide a nonaqueous electrolyte battery using the positive active material. SOLUTION: A positive mix layer 2B contains the positive active material. In the positive active material, an ab...

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Bibliographische Detailangaben
Hauptverfasser: MORITA KOSHI, KUDO YOSHIHIRO, HOSOYA YOSUKE
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a positive active material having high charge discharge characteristics and to provide a nonaqueous electrolyte battery using the positive active material. SOLUTION: A positive mix layer 2B contains the positive active material. In the positive active material, an absorption edge peak appearing in the vicinity of 530 eV at oxygen K absorption edge in X-ray absorption spectrum at the oxygen K absorption edge measured in an X-ray absorption fine structure (XAFS) analytical method shows certain behavior. By using this positive active material, reaction on the interface in a charged state is suppressed to enhance battery characteristics. COPYRIGHT: (C)2008,JPO&INPIT