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Title:
ANODE MIXTURE FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM ION SECONDARY BATTERY HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2015/147419
Kind Code:
A1
Abstract:
The present invention provides a binder comprising a material having a dicarboxylic acid in order to prevent or inhibit peeling caused by volume expansion and contraction of a silicone-based anode material of an anode in a lithium ion secondary battery, and to improve process characteristics while implementing a uniform electrode density by improving sedimentation characteristics of separating a solid matter from a solvent. An anode mixture for a lithium ion secondary battery comprises: a binder comprising a dicarboxylic acid; an active material comprising silicon; a conductive agent for increasing the conductivity of the active material; and a solvent.

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Inventors:
YIM TAEEUN (KR)
KIM YOUNGJUN (KR)
JO YONGNAM (KR)
JEONG GOOJIN (KR)
CHOI SOOJUNG (KR)
Application Number:
PCT/KR2014/012800
Publication Date:
October 01, 2015
Filing Date:
December 24, 2014
Export Citation:
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Assignee:
KOREA ELECTRONICS TECHNOLOGY (KR)
International Classes:
H01M4/38; H01M4/62; H01M10/0525; H01M10/058
Foreign References:
JP2006196339A2006-07-27
JP2006196338A2006-07-27
CN103427083A2013-12-04
KR20140018255A2014-02-12
Attorney, Agent or Firm:
PARK, Chonghan (KR)
박종한 (KR)
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