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1. (WO2018084652) LITHIUM ION SECONDARY BATTERY

Pub. No.:    WO/2018/084652    International Application No.:    PCT/KR2017/012440
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Sat Nov 04 00:59:59 CET 2017
IPC: H01M 10/0525
H01M 10/0568
H01M 10/0569
H01M 4/48
H01M 4/131
Applicants: LG CHEM, LTD.
주식회사 엘지화학
Inventors: KIM, Su-Hwan
김수환
CHAE, Jong-Hyun
채종현
KIM, Jang-Bae
김장배
YANG, Ji-Hye
양지혜
Title: LITHIUM ION SECONDARY BATTERY
Abstract:
The present invention relates to a secondary battery using vanadium oxide as a cathode active material, and a lithium ion secondary battery having properties of preventing vanadium elution and thus preventing a decrease in capacity. According to the present invention, the vanadium oxide is characterized by including secondary particles formed by assembling primary particles.