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|1. (WO2018084526) POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME|
|Applicants:||SAMSUNG SDI CO., LTD.
|Title:||POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME|
The present invention relates to a positive electrode for a lithium secondary battery and a lithium secondary battery comprising the same, wherein the positive electrode comprises: a current collector; an active material layer formed on the current collector and comprising a compound capable of intercalating and deintercalating lithium; and a coating layer formed on the active material layer and comprising an aqueous binder and a compound of chemical formula 1 below having an average particle diameter (D50) of 2 ㎛ or less. [Chemical formula 1] LiaFe1-xMxPO4 (in chemical formula 1, 0.90 ≤ a ≤ 1.8, 0 ≤ x ≤ 0.7, and M is Mg, Co, Ni, or a combination thereof)