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Patent Searching and Data


Title:
NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING SAME NEGATIVE ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2018/008955
Kind Code:
A1
Abstract:
The present invention relates to a negative electrode and a secondary battery including the same, comprising: a current collector; a first active material layer, which comprises a first active material particle and is disposed on the current collector; and a first pattern and a second pattern, which are alternately arranged on the first active material layer while being spaced from each other, wherein the first pattern comprises a first pattern active material particle, the second pattern comprises a second pattern active material particle, the first pattern is thicker than the second pattern, and the second pattern has a volume expansion rate larger than that of the first pattern.

Inventors:
JUNG HYE RI (KR)
LEE JUNG PIL (KR)
Application Number:
PCT/KR2017/007117
Publication Date:
January 11, 2018
Filing Date:
July 04, 2017
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/131; H01M4/02; H01M4/36; H01M4/587
Domestic Patent References:
WO2016018023A12016-02-04
Foreign References:
KR101560471B12015-10-15
JP2014191876A2014-10-06
KR20160001481A2016-01-06
US20070128518A12007-06-07
Other References:
See also references of EP 3343675A4
None
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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