Title:
充電方法
Document Type and Number:
Japanese Patent JP5742990
Kind Code:
B2
Abstract:
A charging method to charge a lithium ion battery in a short amount of time at low cost without degradation of the lithium ion battery is provided. A lithium ion battery 10 includes a lithium compound containing iron as a positive electrode active material. The lithium ion battery 10 is charged through a quasi-constant voltage charging procedure. The lithium ion battery 10 includes a lithium compound as a positive electrode active material used for a positive electrode material. With the lithium compound, a voltage in a flat voltage section of a charging characteristic curve is higher than a voltage of a battery including the lithium compound containing iron as the positive electrode active material. The lithium ion battery 10 may be an assembled battery including a plurality of electric cells connected in series.
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Inventors:
Takeshi Nakamoto
Kouichi Nishiyama
Kouichi Nishiyama
Application Number:
JP2014046052A
Publication Date:
July 01, 2015
Filing Date:
March 10, 2014
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M10/44; H01M4/131; H01M4/136; H01M4/36; H01M4/505; H01M4/525; H01M4/58; H01M4/583; H01M10/052; H02J7/10
Domestic Patent References:
| JP2009106052A | ||||
| JP2006196470A | ||||
| JP2009296699A | ||||
| JP2002199604A |
Attorney, Agent or Firm:
Akatsuki Joint Patent Office