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1. (WO2018084526) POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Pub. No.:    WO/2018/084526    International Application No.:    PCT/KR2017/012144
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Wed Nov 01 00:59:59 CET 2017
IPC: H01M 4/136
H01M 4/58
H01M 10/0525
H01M 10/42
Applicants: SAMSUNG SDI CO., LTD.
삼성에스디아이 주식회사
Inventors: JEON, Bokkyu
전복규
NAM, Junghyun
남중현
SEOK, Hoon
석훈
YOO, Heeeun
유희은
YOON, Yeonhee
윤연희
JIN, Mokyun
진목연
Title: POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Abstract:
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)