ACTIVE MATERIAL, ELECTRODE USING SAME, AND LITHIUM ION SECONDARY BATTERY

ACTIVE MATERIAL, ELECTRODE USING SAME, AND LITHIUM ION SECONDARY BATTERY

To provide an active material with high capacity, high initial charge-discharge efficiency, and high average discharge voltage. An active material according to the present invention includes a first active material and a second active material, wherein the ratio (δ) of the second active material (B)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOBU MASAKI, KATO TOMOHIKO, NOJIMA AKINOBU, SANO ATSUSHI
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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Beschreibung
Zusammenfassung:To provide an active material with high capacity, high initial charge-discharge efficiency, and high average discharge voltage. An active material according to the present invention includes a first active material and a second active material, wherein the ratio (δ) of the second active material (B) to the total amount by mole of the first active material (A) and the second active material (B) satisfies 0.4 mol % δ 18 mol % [where δ=(B/(A+B))×100].