Title:
AIR SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2012/111101
Kind Code:
A1
Abstract:
Provided is an air secondary battery which has an anion exchange membrane, a negative electrode, which is provided on one side of the anion exchange membrane and contains metal, and a positive electrode, which is provided on the opposite side to the negative electrode so as to sandwich the anion exchange membrane and which is in contact with air. Therein, the positive electrode has an amphoteric catalyst layer showing activity in both oxygen reduction and oxygen generation, and an oxygen reduction catalyst layer showing activity in oxygen reduction, in said order from the anion exchange membrane-side. Embodiments such as those wherein the amphoteric catalyst is a pyrochlore metal oxide, or wherein the pyrochlore metal oxide is any one from among Pb2Ru2O6.5, Bi2Ru2O7, and Pb2Ir2O6.5 are preferred.
Inventors:
YOSHIDA KENSUKE (JP)
TANAKA TSUTOMU (JP)
YAMAMOTO TAMOTSU (JP)
SASA MASAAKI (JP)
TANAKA TSUTOMU (JP)
YAMAMOTO TAMOTSU (JP)
SASA MASAAKI (JP)
Application Number:
PCT/JP2011/053196
Publication Date:
August 23, 2012
Filing Date:
February 16, 2011
Export Citation:
Assignee:
FUJITSU LTD (JP)
YOSHIDA KENSUKE (JP)
TANAKA TSUTOMU (JP)
YAMAMOTO TAMOTSU (JP)
SASA MASAAKI (JP)
YOSHIDA KENSUKE (JP)
TANAKA TSUTOMU (JP)
YAMAMOTO TAMOTSU (JP)
SASA MASAAKI (JP)
International Classes:
H01M12/08
Domestic Patent References:
| WO2010131536A1 | 2010-11-18 |
Foreign References:
| JP2009518795A | 2009-05-07 | |||
| JP2010146851A | 2010-07-01 | |||
| JP2006196329A | 2006-07-27 | |||
| JP2003151567A | 2003-05-23 | |||
| JP2008112724A | 2008-05-15 |
Attorney, Agent or Firm:
HIROTA, KOICHI (JP)
Koichi Hirota (JP)
Koichi Hirota (JP)
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Claims:
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