EP 1230701 A1 20020814 - ELECTROCHEMICAL FUEL CELL STACK
Title (en)
ELECTROCHEMICAL FUEL CELL STACK
Title (de)
ELEKTROCHEMISCHER BRENNSTOFFZELLENSTAPEL MIT POLYMERELEKTROLYTEN
Title (fr)
EMPILEMENT DE PILES A COMBUSTIBLE ELECTROCHIMIQUES
Publication
Application
Priority
- DE 0003782 W 20001026
- DE 19953404 A 19991106
Abstract (en)
[origin: WO0135476A1] The invention relates to an electrochemical fuel cell stack, comprising at least one membrane-electrode unit consisting of an anode, a cathode and an electrolyte membrane arranged therebetween, at least one gas distribution structure on the anode side with an anode gas entry zone, an anode gas exit zone, in addition to channels for guiding the anode gas from the anode gas entry zone to the anode gas exit zone, said anode gas containing hydrogen, at least one gas distribution structure on the cathode side with a cathode gas entry zone, a cathode gas exit zone, in addition to channels for guiding the cathode gas from the cathode gas entry zone to the cathode gas exit zone, said cathode gas containing oxygen and water vapour, a coolant distribution structure with a coolant entry zone, a coolant exit zone, in addition to channels for guiding the coolant from the coolant entry zone to the coolant exit zone. According to the invention, the coolant entry zone and the cathode gas exit zone overlap at least partially, in such a way that the water vapour can condense out of the cathode waste gas in this overlap zone.
[origin: WO0135476A1] The invention relates to an electrochemical fuel cell stack, comprising - at least one membrane-electrode unit consisting of an anode, a cathode and an electrolyte membrane arranged therebetween, - at least one gas distribution structure on the anode side with an anode gas entry zone, an anode gas exit zone, in addition to channels for guiding the anode gas from the anode gas entry zone to the anode gas exit zone, said anode gas containing hydrogen, - at least one gas distribution structure on the cathode side with a cathode gas entry zone, a cathode gas exit zone, in addition to channels for guiding the cathode gas from the cathode gas entry zone to the cathode gas exit zone, said cathode gas containing oxygen and water vapour, - a coolant distribution structure with a coolant entry zone, a coolant exit zone, in addition to channels for guiding the coolant from the coolant entry zone to the coolant exit zone. According to the invention, the coolant entry zone and the cathode gas exit zone overlap at least partially, in such a way that the water vapour can condense out of the cathode waste gas in this overlap zone.
IPC 1-7
IPC 8 full level
H01M 8/02 (2006.01); H01M 8/04 (2006.01); H01M 8/04014 (2016.01); H01M 8/04119 (2016.01); H01M 8/10 (2006.01); H01M 8/24 (2006.01); H01M 8/2465 (2016.01); H01M 8/0202 (2016.01); H01M 8/04007 (2016.01)
CPC (source: EP US)
H01M 8/04014 (2013.01 - EP); H01M 8/04156 (2013.01 - EP); H01M 8/2483 (2016.02 - US); H01M 8/0202 (2013.01 - EP); H01M 8/0265 (2013.01 - US); H01M 8/04007 (2013.01 - EP); H01M 8/04074 (2013.01 - EP); H01M 2300/0082 (2013.01 - EP); Y02E 60/50 (2013.01 - EP)
Citation (search report)
See references of WO 0135476A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0135476 A1 20010517; WO 0135476 A8 20010614; DE 19953404 A1 20010523; DE 19953404 B4 20041125; EP 1230701 A1 20020814; JP 2003514354 A 20030415
DOCDB simple family (application)
DE 0003782 W 20001026; DE 19953404 A 19991106; EP 00983062 A 20001026; JP 2001537115 A 20001026