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Patent Searching and Data


Title:
ANODE, AND LITHIUM SECONDARY BATTERY COMPRISING ANODE
Document Type and Number:
WIPO Patent Application WO/2019/221450
Kind Code:
A1
Abstract:
The present invention provides an anode and a secondary battery comprising same. The anode comprises a current collector and an anode active material layer disposed on the current collector, wherein the anode active material layer comprises: an anode active material comprising SiOx (0 ≤ x ≤2) particles; a conductive material; and a binder, and wherein the anode active material layer comprises: a lower layer in contact with the current collector; an upper layer located on the lower layer; and an intermediate layer located between the lower layer and the upper layer, wherein the total content of the conductive material and the binder in the upper layer is greater than the total content of the conductive material and the binder in the intermediate layer, and the total content of the conductive material and the binder in the lower layer is greater than the total content of the conductive material and the binder in the intermediate layer.

Inventors:
SONG JUN HYUK (KR)
KIM JE YOUNG (KR)
LEE JOO SUNG (KR)
NOH SUK IN (KR)
LEE HEE WON (KR)
Application Number:
PCT/KR2019/005580
Publication Date:
November 21, 2019
Filing Date:
May 09, 2019
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/131; H01M4/485; H01M4/62; H01M10/0525
Foreign References:
KR20130026522A2013-03-13
JP2013012393A2013-01-17
JPH09265976A1997-10-07
JP2004095538A2004-03-25
KR20160111673A2016-09-27
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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