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Electric power generation method using electrode catalyst for fuel cell

Foreign code F180009410
File No. AF11-04US2
Posted date Apr 20, 2018
Country United States of America
Application number 201715612992
Gazette No. 20170271686
Date of filing Jun 2, 2017
Gazette Date Sep 21, 2017
International application number JP2010059773
International publication number WO2010143663
Date of international filing Jun 9, 2010
Date of international publication Dec 16, 2010
Priority data
  • P2009-139401 (Jun 10, 2009) JP
  • 2010WO-JP59773 (Jun 9, 2010) WO
  • 2011US-13377327 (Dec 9, 2011) US
Title Electric power generation method using electrode catalyst for fuel cell
Abstract (US20170271686)
To provide an economical fuel cell electrode catalyst which can be used in place of platinum as a simple substance or a platinum alloy and has easy-to-control catalytic power, a molecular metal complex is used as a fuel cell electrode catalyst which molecular metal complex is a mononuclear or multinuclear coordination compound that has a particular structure, that is not a polymer compound, and that does not have a layered structure.
Scope of claims [claim1]

1-13. (canceled)
[claim2]
14. An electric power generation method comprising: oxidizing a fuel through use of a fuel cell electrode catalyst and
reducing an oxidant through use of the fuel cell electrode catalyst;
the fuel cell electrode catalyst including one or more molecular metal complexes;
each of the one or more molecular metal complexes being a metal complex (i) having a molecular weight of 2000 or less, (ii) not having a layered structure, and (iii) including a total of one or more but not more than three metal atoms and/or metal ions to each of which three or more but not more than six ligands coordinate;
each of the one or more molecular metal complexes being a metal complex other than a porphyrin derivative, in a case where (i) said each of the one or more molecular metal complexes includes one metal atom or one metal ion and (ii) four ligands coordinate to the one metal atom or the one metal ion.
[claim3]
15. An electric power generation method comprising: oxidizing a fuel through use of a fuel cell electrode catalyst;
the fuel cell electrode catalyst including one or more molecular metal complexes;
each of the one or more molecular metal complexes being a metal complex (i) having a molecular weight of 2000 or less, (ii) not having a layered structure, and (iii) including a total of one or more but not more than three metal atoms and/or metal ions to each of which three or more but not more than six ligands coordinate;
each of the one or more molecular metal complexes being a metal complex other than a porphyrin derivative, in a case where (i) said each of the one or more molecular metal complexes includes one metal atom or one metal ion and (ii) four ligands coordinate to the one metal atom or the one metal ion.
[claim4]
16. An electric power generation method comprising: reducing an oxidant through use of a fuel cell electrode catalyst;
the fuel cell electrode catalyst including one or more molecular metal complexes;
each of the one or more molecular metal complexes being a metal complex (i) having a molecular weight of 2000 or less, (ii) not having a layered structure, and (iii) including a total of one or more but not more than three metal atoms and/or metal ions to each of which three or more but not more than six ligands coordinate;
each of the one or more molecular metal complexes being a metal complex other than a porphyrin derivative, in a case where (i) said each of the one or more molecular metal complexes includes one metal atom or one metal ion and (ii) four ligands coordinate to the one metal atom or the one metal ion.
[claim5]
17. The electric power generation method as set forth in claim 14, wherein: the one or more molecular metal complexes include one or more molecular metal complexes selected from the group consisting of molecular metal complexes expressed by the following General Formulae (1) through (73):
where each of L1 through L624 independently indicates a ligand, each of M1 through M194 independently indicates a metal atom or a metal ion, and the molecular metal complex expressed by the General Formula (2) is a metal complex other than a porphyrin derivative.
[claim6]
18. The electric power generation method as set forth in claim 17, wherein: the one or more molecular metal complexes selected from the molecular metal complexes expressed by the General Formulae (1) through (73) include one or more molecular metal complexes selected from the molecular metal complexes expressed by the General Formulae (5) through (21).
[claim7]
19. The electric power generation method as set forth in claim 17, wherein: the fuel cell electrode catalyst is usable in each of an anode and a cathode.
[claim8]
20. The electric power generation method as set forth in claim 17, wherein: the one metal atom or one metal ion is a metal atom or a metal ion thereof, the metal atom being selected from the group consisting of metal atoms and metal ions of 3A group elements, 4A group elements, 5A group elements, 6A group elements, 7A group elements, 8 group elements, 1B group elements, 3B group elements, and 6B group elements in a periodic table.
[claim9]
21. The electric power generation method as set forth in claim 20, wherein: the one metal atom or one metal ion is a metal atom or a metal ion thereof, the metal atom being selected from the group consisting of the metal atoms and the metal ions of the 8 group elements.
[claim10]
22. The electric power generation method as set forth in claim 17, wherein: each of ligand atoms of the ligands indicated by L1 through L624 is independently a hydrogen atom, a carbon atom, a nitrogen atom, an oxygen atom, a phosphor atom, a sulfur atom, or a halogen atom.
[claim11]
23. The electric power generation method as set forth in claim 17, wherein: each of the ligands indicated by L1 through L624 is independently selected from ligands expressed by the following Chemical Formulae (74) through (116):
[claim12]
24. The electric power generation method as set forth in claim 17, wherein: the one or more molecular metal complexes selected from the molecular metal complexes expressed by the General Formulae (1) through (73) are selected from molecular metal complexes expressed by the following Chemical Formulae (117) through (151):
[claim13]
25. The electric power generation method as set forth in claim 24, wherein: the one or more molecular metal complexes selected from the group consisting of molecular metal complexes expressed by the Chemical Formulae (117) through (151) are selected from the group consisting of molecular metal complexes expressed by the Chemical Formulae (131) through (138).
  • Inventor, and Inventor/Applicant
  • OGO SEIJI
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
IPC(International Patent Classification)
Reference ( R and D project ) CREST Development of the Foundation for Nano-Interface Technology AREA
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