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1. (WO2018080080) SECONDARY BATTERY

Pub. No.:    WO/2018/080080    International Application No.:    PCT/KR2017/011454
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 18 01:59:59 CEST 2017
IPC: H01M 10/0587
H01M 10/04
H01M 2/34
Applicants: SAMSUNG SDI CO., LTD.
삼성에스디아이(주)
Inventors: EO, Soo Mi
어수미
PARK, Seung Hee
박승희
LEE, Jea Woan
이제완
LIM, Jae Min
임재민
JUNG, Euy Sun
정의선
CHO, Kyung Hoon
조경훈
CHO, Young Kwang
조영광
HEO, Kyeong Yi
허경이
Title: SECONDARY BATTERY
Abstract:
Various embodiments of the present invention relate to a secondary battery, and the objective of the present invention is to provide a secondary battery, which has drop-impact resistance, by providing an electrode assembly having a relatively thick inner circumferential tap and a relatively thin outer circumferential tap. To this end, disclosed is a secondary battery, which comprises an electrode assembly comprising: an anode plate having an inner circumferential tap formed at a wound front end thereof; a separator covering the anode plate; and a cathode plate having an outer circumferential tap formed at a wound distal end thereof.