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Title:
POLYELECTROLYTE FUEL CELL-USE SEPARATOR, POLYELECTROLYTE FUEL CELL, METHOD OF EVALUATING POLYELECTROLYTE FUEL CELL-USE SEPARATOR, AND PRODUCTION METHOD OF POLYELECTROLYTE FUEL CELL-USE SEPARATOR
Document Type and Number:
WIPO Patent Application WO/2005/117180
Kind Code:
A1
Abstract:
A polyelectrolyte fuel cell-use separator having a surface excellent in condensed water discharging performance despite a low pressure loss of supply gas, a highly-reliable polyelectrolyte fuel cell capable of sufficiently controlling the occurrence of a flooding phenomenon despite a low pressure loss of supply gas, a method of evaluating a polyelectrolyte fuel cell-use separator capable of accurately evaluating a condensed water discharging performance, and a method of producing a polyelectrolyte fuel cell-use separator having a surface excellent in condensed water discharging performance despite a low pressure loss of supply gas. The polyelectrolyte fuel cell-use separator comprises conductive carbon and a binder solidifying the conductive carbon, wherein a water drop falling angle on the surface of a reaction gas flow path (30C, 40C) formed on at least one main surface is 5 deg. through 45 deg. when a water drop of 50 µL through 80 µL is dropped under conditions of an environmental temperature within a range of 50°C through 90°C and an environmental humidity within a range of absolute humidity of 70% through 100%.

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Inventors:
HATOH KAZUHITO
KANBARA TERUHISA
SHIBATA SOICHI
YASUMOTO EIICHI
UNOKI SHIGEYUKI
NAGASAKI TATSUO
TERANISHI MASATOSHI
KAWASHIMA TSUTOMU
SUKAWA TORU
TAKEBE YASUO
Application Number:
PCT/JP2005/009875
Publication Date:
December 08, 2005
Filing Date:
May 30, 2005
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
HATOH KAZUHITO
KANBARA TERUHISA
SHIBATA SOICHI
YASUMOTO EIICHI
UNOKI SHIGEYUKI
NAGASAKI TATSUO
TERANISHI MASATOSHI
KAWASHIMA TSUTOMU
SUKAWA TORU
TAKEBE YASUO
International Classes:
G01N13/02; H01M8/02; H01M8/10; (IPC1-7): H01M8/02; H01M8/10
Foreign References:
JP2004146303A2004-05-20
JP2002270195A2002-09-20
JPH11195422A1999-07-21
JP2001256987A2001-09-21
JPH0726751U1995-05-19
JP2001152138A2001-06-05
JP2002184432A2002-06-28
JP2003331857A2003-11-21
JP2003022811A2003-01-24
JP2003022812A2003-01-24
JPH08138695A1996-05-31
Other References:
See also references of EP 1758185A4
Attorney, Agent or Firm:
Sumida, Yoshihiro (3rd Fl. Bo-eki Bldg., 123-1, Higashimachi, Chuo-k, Kobe-shi Hyogo 31, JP)
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