Title:
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, ANODE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, IN-VEHICLE LITHIUM SECONDARY BATTERY USING SAID ANODE ACTIVE MATERIAL AND ANODE ELECTRODE, AND METHOD FOR MANUFACTURING AN ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES
Document Type and Number:
WIPO Patent Application WO/2010/131473
Kind Code:
A1
Abstract:
Green coke from coal and/or petroleum and calcined coke from coal and/or petroleum are blended using a weight ratio between 90:10 and 10:90, and the resulting coke material is fired to produce a novel anode active material for lithium secondary batteries, said anode active material having stable charging/discharging characteristics and excellent output characteristics, initial efficiency, and capacity retention rate.
Inventors:
IKEDA TAISA (JP)
TAGAWA KAZUKI (JP)
KAWANO YOICHI (JP)
TAGAWA KAZUKI (JP)
KAWANO YOICHI (JP)
Application Number:
PCT/JP2010/003249
Publication Date:
November 18, 2010
Filing Date:
May 13, 2010
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL CO (JP)
IKEDA TAISA (JP)
TAGAWA KAZUKI (JP)
KAWANO YOICHI (JP)
IKEDA TAISA (JP)
TAGAWA KAZUKI (JP)
KAWANO YOICHI (JP)
International Classes:
H01M4/587; H01M4/133; H01M4/62
Foreign References:
| JPS52133098A | 1977-11-08 | |||
| JPH04228412A | 1992-08-18 | |||
| JPH0543318A | 1993-02-23 | |||
| JP2007019257A | 2007-01-25 | |||
| JPH08102324A | 1996-04-16 | |||
| JPH08287911A | 1996-11-01 | |||
| JPH09320602A | 1997-12-12 | |||
| JPH09320571A | 1997-12-12 | |||
| JPS6290863A | 1987-04-25 | |||
| JPH01221859A | 1989-09-05 | |||
| JPH065287A | 1994-01-14 | |||
| JPH08102324A | 1996-04-16 | |||
| JPH09320602A | 1997-12-12 |
Other References:
See also references of EP 2432052A4
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
Patent business corporation cherry tree international patent firm (JP)
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Claims: