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1. (WO2016052867) CYLINDRICAL BATTERY COMPRISING PRESSURIZING PART AND METHOD OF MANUFACTURING SAME

Pub. No.:    WO/2016/052867    International Application No.:    PCT/KR2015/009218
Publication Date: Fri Apr 08 01:59:59 CEST 2016 International Filing Date: Thu Sep 03 01:59:59 CEST 2015
IPC: H01M 4/36
H01M 4/50
H01M 4/48
Applicants: LG CHEM, LTD.
주식회사 엘지화학
Inventors: LEE, Hye Youn
이혜연
SONG, Jooyong
송주용
KIM, Il Hong
김일홍
Title: CYLINDRICAL BATTERY COMPRISING PRESSURIZING PART AND METHOD OF MANUFACTURING SAME
Abstract:
The present invention relates to a cylindrical battery, comprising: an electrode assembly (a jelly-roll) including a cathode, a separation membrane and an anode; a cylindrical can including a receiving part for holding the electrode assembly and an electrolyte together; a cap assembly mounted on the open top portion of the cylindrical can; a safety vent built in the cap assembly; and a pressurizing part which is located between the safety vent and the receiving part, is in communication with the receiving part and applies a certain pressure on the receiving part by means of a gas, wherein the cathode comprises, as a cathode active material, a lithium-complex transition metal oxide expressed by chemical formula 1 in the specification.