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1. WO2004004042 - REGULATION OF THE WATER SUPPLY IN FUEL CELL SYSTEMS

Publication Number WO/2004/004042
Publication Date 08.01.2004
International Application No. PCT/EP2003/005196
International Filing Date 16.05.2003
IPC
H01M 8/04 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/06 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
CPC
H01M 8/04156
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04082Arrangements for control of reactant parameters, e.g. pressure or concentration
04089of gaseous reactants
04119with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
04156with product water removal
H01M 8/04186
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04082Arrangements for control of reactant parameters, e.g. pressure or concentration
04186of liquid-charged or electrolyte-charged reactants
H01M 8/0662
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
0662Treatment of gaseous reactants or gaseous residues, e.g. cleaning
Y02E 60/50
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
30Hydrogen technology
50Fuel cells
Applicants
  • SFC SMART FUEL CELL AG [DE]/[DE] (AllExceptUS)
  • MÜLLER, Jens [DE]/[DE] (UsOnly)
  • PREISSNER, Marcus [DE]/[DE] (UsOnly)
  • BÖHM, Christian [DE]/[DE] (UsOnly)
  • HARBUSCH, Volker [DE]/[DE] (UsOnly)
Inventors
  • MÜLLER, Jens
  • PREISSNER, Marcus
  • BÖHM, Christian
  • HARBUSCH, Volker
Agents
  • WEIGELT, Udo
Priority Data
02014557.901.07.2002EP
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) REGELUNG DES WASSERHAUSHALT IN BRENNSTOFFZELLENSYSTEMEN
(EN) REGULATION OF THE WATER SUPPLY IN FUEL CELL SYSTEMS
(FR) REGULATION DE L'EQUILIBRE HYDRIQUE DANS DES SYSTEMES DE PILE A COMBUSTIBLE
Abstract
(DE)
Die Erfindung betrifft ein Verfahren zur Steuerung des Fluidhaushalts in einem Anodenkreislauf eines Brennstoffzellensystems. Bei diesem Verfahren werden wenigstens die Kathodenseitig abgegebenen Gase in einer Kondensationseinrichtung gekühlt, um Flüssikeit auszukondensieren und die auskondensierte Flüssigkeit dem Anodenkreislauf des Brennstoffzellensystems zugeführt. Sie betrifft ferner ein nach den Prinzipien des erfindungsgemässen Verfahrens eingerichtetes Brennstoffzellensystem.
(EN)
The invention relates to a method for controlling the fluid supply in an anode circuit of a fuel cell system, according to which at least the gases discharged at the cathode end are cooled in a condensing device in order to obtain a condensed liquid, whereupon the condensed liquid is fed to the anode circuit of the fuel cell system. Also disclosed is a fuel cell system that is based on the principles of the inventive method.
(FR)
L'invention concerne un procédé de régulation de l'équilibre fluidique dans un circuit d'anode d'un système de pile à combustible. Selon ledit procédé au moins les gaz délivrés côté cathode sont refroidis dans un dispositif de condensation pour l'obtention d'un liquide par condensation, et le liquide obtenu par condensation est conduit au circuit d'anode du système de pile à combustible. L'invention concerne en outre un système de pile à combustible conçu selon les principes du procédé présenté.
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