Title:
BATTERY CELL HAVING IMPROVED WELDABILITY AND PROCESSING APPARATUS THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/153902
Kind Code:
A1
Abstract:
The present invention relates to a battery cell with improved weldability and a processing apparatus thereof and, more specifically, to a battery cell in which an electrode assembly is accommodated inside a cell case, and a pair of electrode leads consisting of a negative electrode lead and a positive electrode lead protrude outside the cell case, wherein the negative electrode lead is made of a nickel material and has one or more embosses formed thereat, and the positive electrode lead is made of an aluminum material and has no emboss formed thereat, and a processing apparatus thereof.
Inventors:
JUNG DAE HO (KR)
JANG JAE YOUNG (KR)
HWANG SEONG JU (KR)
KIM SANG JIN (KR)
JANG JAE YOUNG (KR)
HWANG SEONG JU (KR)
KIM SANG JIN (KR)
Application Number:
PCT/KR2020/018261
Publication Date:
August 05, 2021
Filing Date:
December 14, 2020
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B21D17/02; H01M50/543; B26D1/00; B26D1/04; B26D7/01; H01M50/10; H01M50/116; H01M50/557
Foreign References:
| KR101522450B1 | 2015-05-21 | |||
| KR101772729B1 | 2017-08-29 | |||
| KR20120065279A | 2012-06-20 | |||
| JP4726622B2 | 2011-07-20 | |||
| KR20150055190A | 2015-05-21 | |||
| KR20200010843A | 2020-01-31 | |||
| KR20060011312A | 2006-02-03 |
Other References:
See also references of EP 3955373A4
Attorney, Agent or Firm:
MYUNGRYUN IP & LAW FIRM (KR)
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