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|1. (WO2017175977) POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY CONTAINING SAME|
|Applicants:||IUCF-HYU(INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
|Title:||POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY CONTAINING SAME|
A positive electrode active material is provided. The positive electrode active material may include a first portion in which the ratio of a first crystal structure is higher than the ratio of a second crystal structure having a different crystal system from the first crystal structure, and a second portion in which the ratio of the second crystal structure is higher than the ratio of the first crystal structure.