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CATHODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, METHOD FOR PRODUCING THE SAME, LITHIUM ION BATTERY, AND LITHIUM ION BATTERY SYSTEM
CATHODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, METHOD FOR PRODUCING THE SAME, LITHIUM ION BATTERY, AND LITHIUM ION BATTERY SYSTEM
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机译:锂离子电池的阴极活性材料,其制造方法,锂离子电池和锂离子电池系统
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摘要
When spinel-type lithium cobaltate is applied as cathode active material for a lithium ion battery, a spinel-type crystal phase is unstable and is easy to be dislocated to a layered rock-salt structure, which makes it easy to impair battery properties. Thus, manganese is partially substituted for cobalt in spinel-type lithium cobaltate, to achieve stabilization of the spinel-type crystal phase. Specifically, cathode active material is used in a lithium ion battery, the cathode active material including: a composite oxide of lithium and transition metal, wherein the transition metal consists of cobalt as a main constituent, and manganese, and the composite oxide has a spinel-type crystal phase that is formed of lithium, cobalt, manganese, and oxygen.
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