EP 1437002 A2 20040714 - FLOW MODULE AND FUEL CELL HAVING SAID FLOW MODULE
Title (en)
FLOW MODULE AND FUEL CELL HAVING SAID FLOW MODULE
Title (de)
SYSTEM UND VERFAHREN ZUM ÜBERTRAGEN DIGITALER DATEN
Title (fr)
SYSTEME ET PROCEDE DE TRANSMISSION DE DONNEES NUMERIQUES
Publication
Application
Priority
- DE 0203739 W 20021002
- DE 10148878 A 20011004
Abstract (en)
[origin: WO03032641A2] The invention relates to a flow module for a fuel cell comprising an polymer electrolyte membrane (PEM), said module supporting compensation of partial water vapor pressure using simple means thereby countering the drying of areas in the membrane even when the process gases fed to the fuel cell are only slightly humid or not humid at all. The flow module comprises at least one inlet (1) and at least one outlet (2) for a gas that is to be guided by means of an electrode of the fuel cell. The surface of the flow module that faces the electrode is structured in such a way that at least one channel (3) connecting the inlet (1) and the outlet (2) is formed between the flow module and the electrode. According to the invention, the at least one inlet (1) and the at least one outlet (2) are arranged and the at least one channel (3) is guided in such a way that the segments of the channel having a higher relative humidity are arranged in the vicinity of the segments of the channel having a lower relative humidity so that the humidity gradient on the PEM is balanced out.
IPC 1-7
IPC 8 full level
CPC (source: EP KR US)
H04N 7/181 (2013.01 - EP US); H04N 7/20 (2013.01 - KR)
Citation (search report)
See references of WO 03032641A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03032641 A2 20030417; WO 03032641 A3 20030717; WO 03032641 A8 20050324; DE 10148878 A1 20030424; DE 10148878 B4 20060302; EP 1437002 A2 20040714; JP 2005506006 A 20050224; KR 100895351 B1 20090429; KR 20040039487 A 20040510; US 2005105636 A1 20050519
DOCDB simple family (application)
DE 0203739 W 20021002; DE 10148878 A 20011004; EP 02776771 A 20021002; JP 2003535469 A 20021002; KR 20047004996 A 20021002; US 49153504 A 20041208