| 简介 |
An object of the invention is to provide a positive electrode active material for nonaqueous electrolyte secondary batteries that prevents low capacity recovery after high-temperature storage. A nonaqueous electrolyte secondary battery according to the present invention includes secondary particles of a lithium transition metal oxide resulting from the aggregation of primary particles of the oxide, secondary particles of a rare earth compound resulting from the aggregation of primary particles of the compound, and a magnesium compound. The secondary particles of the rare earth compound are adhering to depressions formed between adjacent primary particles of the lithium transition metal oxide on the surface of the secondary particles of the lithium transition metal oxide and also to each of the primary particles forming the depressions. The magnesium compound is adhering to the surface of the secondary particles of the lithium transition metal oxide. |
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