Title:
CATHODE ACTIVE MATERIAL SUBSTANCE, CATHODE, SECONDARY BATTERY AND MANUFACTURING METHODS FOR SAME
Document Type and Number:
WIPO Patent Application WO/2011/108464
Kind Code:
A1
Abstract:
Disclosed is a cathode active material substance and the like which demonstrates a charge/discharge reaction at room temperature and contains a small particle, low-crystalline lithium transition metal silicate. Also disclosed is a cathode active material substance for a non-aqueous electrolyte secondary battery, containing a lithium transition metal silicate, with the results of powder X-ray diffractometry of 2θ = 5-50° showing diffraction peaks with a full width at half maximum value of 0.175-0.6.
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Inventors:
OHKUBO MICHIO (JP)
SHIMADA MICHIHIRO (JP)
UNO NAOKI (JP)
HIRAYAMA YOSUKE (JP)
TANI TOSHIO (JP)
ABE HIDETOSHI (JP)
AITA MIYU (JP)
SHIMADA MICHIHIRO (JP)
UNO NAOKI (JP)
HIRAYAMA YOSUKE (JP)
TANI TOSHIO (JP)
ABE HIDETOSHI (JP)
AITA MIYU (JP)
Application Number:
PCT/JP2011/054350
Publication Date:
September 09, 2011
Filing Date:
February 25, 2011
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
FURUKAWA BATTERY CO LTD (JP)
OHKUBO MICHIO (JP)
SHIMADA MICHIHIRO (JP)
UNO NAOKI (JP)
HIRAYAMA YOSUKE (JP)
TANI TOSHIO (JP)
ABE HIDETOSHI (JP)
AITA MIYU (JP)
FURUKAWA BATTERY CO LTD (JP)
OHKUBO MICHIO (JP)
SHIMADA MICHIHIRO (JP)
UNO NAOKI (JP)
HIRAYAMA YOSUKE (JP)
TANI TOSHIO (JP)
ABE HIDETOSHI (JP)
AITA MIYU (JP)
International Classes:
H01M4/58; H01M4/136; H01M4/1397; H01M4/36; H01M4/66; H01M4/70; H01M10/052; H01M10/0569
Domestic Patent References:
| WO2008107571A2 | 2008-09-12 | |||
| WO2010089931A1 | 2010-08-12 |
Foreign References:
| JP2009170401A | 2009-07-30 | |||
| JP2007335325A | 2007-12-27 | |||
| JPH11144762A | 1999-05-28 | |||
| JP2009104794A | 2009-05-14 | |||
| JP2011076793A | 2011-04-14 |
Attorney, Agent or Firm:
INOUE, SEIICHI (JP)
Seiichi Inoue (JP)
Seiichi Inoue (JP)
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Claims: