Title:
ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/033985
Kind Code:
A1
Abstract:
The present invention relates to an electrode assembly and a secondary battery including same. A jelly-roll-type electrode assembly comprises a positive electrode non-coated portion formed on a positive electrode plate, and a negative electrode non-coated portion formed on a negative electrode plate. The negative electrode non-coated portion includes a first negative electrode non-coated portion formed between the front end and the rear end of the negative electrode plate in the winding direction, and a second negative electrode non-coated portion formed at the rear end of the negative electrode plate. A negative electrode tab is disposed in the first negative electrode non-coated portion.
Inventors:
JEONG HYUN KI (KR)
Application Number:
PCT/KR2020/010616
Publication Date:
February 25, 2021
Filing Date:
August 11, 2020
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M10/0587; H01M10/04; H01M10/052
Foreign References:
| KR20190040525A | 2019-04-19 | |||
| KR20180000223A | 2018-01-02 | |||
| KR20150083633A | 2015-07-20 | |||
| KR20150050435A | 2015-05-08 | |||
| KR20180074178A | 2018-07-03 |
Other References:
See also references of EP 4020655A4
Attorney, Agent or Firm:
SUNGAM SUH INTERNATIONAL PATENT & LAW FIRM (KR)
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