Title:
リチウムイオン二次電池
Document Type and Number:
Japanese Patent JP5665387
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lithium-ion secondary battery that is low-cost and has superior battery performance.SOLUTION: The lithium-ion secondary battery 10 is a nonaqueous electrolyte type secondary battery which uses lithium iron phosphate having a conductive layer on a particle surface as a positive electrode active material. In a case 51 of the lithium ion secondary battery 10, an electrode structure 11 having a positive electrode 21 and a negative electrode 31 stacked alternately with a separator 41 interposed is stored together with an electrolyte 50. Polyvinyl pyridine resin 52 functioning as a hydrogen fluoride removing material is added to the electrolyte 50.
Inventors:
中西 正典
Application Number:
JP2010144337A
Publication Date:
February 04, 2015
Filing Date:
June 24, 2010
Export Citation:
Assignee:
ＦＤＫ株式会社
International Classes:
H01M10/052; H01M4/36; H01M4/58; H01M10/0567
Attorney, Agent or Firm:
Hisahiko Atsumi