SOLID ELECTROLYTE FUEL CELL AND ITS OPERATING METHOD

Title:

SOLID ELECTROLYTE FUEL CELL AND ITS OPERATING METHOD

Document Type and Number:

WIPO Patent Application WO/2007/080966

Kind Code:

A1

Abstract:

A solid electrolyte fuel cell having a long service life, comprising a power generating cell (4) having a fuel pole (3) laminated on one surface of a solid electrolyte (1) and an air pole (2) laminated on the other surface, an air pole collector (5) laminated in contact with the air pole (2) of the power generating cell (4) and consisting of a silver porous element or a silver clad porous metal element, a fuel pole collector (6) laminated in contact with the fuel pole (3) of the power generating cell (4), an air pole-side separator (7) having a silver-plated layer (9) formed on its surface on the side contacting the fuel pole collector (5), a fuel pole-side separator (8) laminated in contact with the fuel pole collector, and air supply passage (11) provided by being connected with the air pole-side separator (7) and a fuel supply passage (10) provided by being connected with the fuel pole-side separator (8), wherein a silver vapor supply device is provided in the air supply passage to thereby supply silver vapor-containing air to the air pole collector (5).

Inventors:

YAMADA TAKASHI (JP)
ETO HIROYUKI (JP)
KOMADA NORIKAZU (JP)

Application Number:

PCT/JP2007/050323

Publication Date:

July 19, 2007

Filing Date:

January 12, 2007

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP (JP)
KANSAI ELECTRIC POWER CO (JP)
YAMADA TAKASHI (JP)
ETO HIROYUKI (JP)
KOMADA NORIKAZU (JP)

International Classes:

H01M8/04; H01M8/02; H01M8/12

Foreign References:

JP2002237312A	2002-08-23
JP2004139960A	2004-05-13
JP2000226681A	2000-08-15
JP2000164228A	2000-06-16
JP2002298878A	2002-10-11
JPH11162478A	1999-06-18
JP2002280026A	2002-09-27
JP2002289215A	2002-10-04
JPH11335164A	1999-12-07
JPH11297333A	1999-10-29
JP2002280026A	2002-09-27
JP2002289215A	2002-10-04

Other References: