IRREVERSIBLE ADDITIVE CONTAINED IN CATHODE MATERIAL FOR SECONDARY BATTERY, CATHODE MATERIAL COMPRISING SAME, AND SECONDARY BATTERY COMPRISING CATHODE MATERIAL

IRREVERSIBLE ADDITIVE CONTAINED IN CATHODE MATERIAL FOR SECONDARY BATTERY, CATHODE MATERIAL COMPRISING SAME, AND SECONDARY BATTERY COMPRISING CATHODE MATERIAL

The present invention provides an irreversible additive contained in a cathode material for a secondary battery, a cathode material comprising the irreversible additive, and a secondary battery comprising the cathode material. The irreversible additive is an oxide represented by chemical formula 1,...

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Bibliographische Detailangaben
Hauptverfasser: LIM SUNGUL, JANG MINUL, KANG YONG-HEE, UHM INSUNG, CHOI JUNGHUN, YOUN HEEANG
Format: Patent
Sprache:chi ; 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:The present invention provides an irreversible additive contained in a cathode material for a secondary battery, a cathode material comprising the irreversible additive, and a secondary battery comprising the cathode material. The irreversible additive is an oxide represented by chemical formula 1, Li2+aCu1-bMbO2+c(1), and the oxide has a monoclinic crystal structure. In the formula (1), -0.2