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Title:
リチウム二次電池
Document Type and Number:
Japanese Patent JP4236390
Kind Code:
B2
Abstract:
A lithium secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the positive electrode or the negative electrode is an electrode obtained by depositing a thin film of active material capable of lithium storage and release on a current collector, the thin film is divided into columns by gaps formed therein in a manner to extend in its thickness direction and the columnar portions are adhered at their bottoms to the current collector, and the nonaqueous electrolyte contains at least one selected from phosphate ester, phosphite ester, borate ester and carboxylic ester having a fluoroalkyl group.

Inventors:
Taeko Ota
Ryuji Oshita
Maruo Kamino
Application Number:
JP2001121171A
Publication Date:
March 11, 2009
Filing Date:
April 19, 2001
Export Citation:
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Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H01M4/66; H01M4/134; H01M4/40; H01M6/16; H01M10/05; H01M10/0566; H01M4/38; H01M4/70
Domestic Patent References:
JP10188951A
JP8088023A
JP7114940A
JP4123762A
Attorney, Agent or Firm:
Table of contents Makoto
Miyazaki saki main tax