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1. WO2021062457 - FUEL CELL SYSTEM AND METHOD FOR HEATING A FUEL CELL STACK

Publication Number WO/2021/062457
Publication Date 08.04.2021
International Application No. PCT/AT2020/060350
International Filing Date 02.10.2020
IPC
H01M 8/04223 2016.01
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
04223during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
H01M 8/04007 2016.01
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
04007related to heat exchange
H01M 8/2465 2016.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
24Grouping of fuel cells, e.g. stacking of fuel cells
2465Details of groupings of fuel cells
H01M 8/04302 2016.01
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
04298Processes for controlling fuel cells or fuel cell systems
043applied during specific periods
04302applied during start-up
H01M 8/04746 2016.01
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
04298Processes for controlling fuel cells or fuel cell systems
04694characterised by variables to be controlled
04746Pressure; Flow
H01M 8/0432 2016.01
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
0432Temperature; Ambient temperature
CPC
H01M 2250/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2250Fuel cells for particular applications; Specific features of fuel cell system
20Fuel cells in motive systems, e.g. vehicle, ship, plane
H01M 8/04074
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
04007related to heat exchange
04067Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
04074Heat exchange unit structures specially adapted for fuel cell
H01M 8/04268
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
04223during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
04268Heating of fuel cells during the start-up of the fuel cells
H01M 8/04302
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
04298Processes for controlling fuel cells or fuel cell systems
043applied during specific periods
04302applied during start-up
H01M 8/04365
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
0432Temperature; Ambient temperature
04365of other components of a fuel cell or fuel cell stacks
H01M 8/04768
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
04298Processes for controlling fuel cells or fuel cell systems
04694characterised by variables to be controlled
04746Pressure; Flow
04768of the coolant
Applicants
  • AVL LIST GMBH [AT]/[AT]
Inventors
  • SCHNABEL, Alexander, DI
Agents
  • WIETZKE, Andreas
Priority Data
A 50841/201904.10.2019AT
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) BRENNSTOFFZELLENSYSTEM UND VERFAHREN ZUM AUFHEIZEN EINES BRENNSTOFFZELLENSTAPELS
(EN) FUEL CELL SYSTEM AND METHOD FOR HEATING A FUEL CELL STACK
(FR) SYSTÈME DE PILE À COMBUSTIBLE ET PROCÉDÉ DE CHAUFFAGE D'UN EMPILEMENT DE PILES À COMBUSTIBLE
Abstract
(DE)
Die vorliegende Erfindung betrifft ein Verfahren zum Durchführen eines Aufheizbetriebs zum Aufheizen eines Brennstoffzellenstapels (11 ) in einem Brennstoffzellensystem (10), wobei der Brennstoffzellenstapel (11 ) einen Temperierabschnitt (12) zum Temperieren des Brennstoffzellenstapels (11 ) umfasst, aufweisend die Schritte: Pumpen des Temperierfluids in einem Temperierabschnitt (12) während des Aufheizbetriebs, bei welchem die Temperatur im Brennstoffzellensystem (10) zumindest abschnittsweise unter dem Gefrierpunkt liegt, in eine erste Richtung durch Brennstoffzellenstapel (11), und Pumpen des Temperierfluids im Temperierabschnitt (12) während des Aufheizbetriebs, bei welchem die Temperatur im Brennstoffzellensystem (10) zumindest abschnittsweise unter dem Gefrierpunkt liegt, in eine zweite Richtung durch den Brennstoffzellenstapel (11) entgegengesetzt zur ersten Richtung, wobei das Pumpen in die erste Richtung und das Pumpen in die zweite Richtung wenigstens so lange abwechselnd durchgeführt werden, bis eine ermittelte Temperatur im und/oder am Brennstoffzellenstapel (11 ) zumindest bereichsweise über dem Gefrierpunkt liegt. Ferner betrifft die Erfindung ein Brennstoffzellensystem (10) und ein Computerprogrammprodukt (21) zum Durchführen eines erfindungsgemäßen Verfahrens sowie ein nichtflüchtiges Speichermittel (22) mit einem darauf gespeicherten, erfindungsgemäßen Computerprogrammprodukt.
(EN)
The present invention relates to a method for running a heating operation for heating a fuel cell stack (11) in a fuel cell system (10), wherein the fuel cell stack (11) comprises a temperature-control section (12) for controlling the temperature of the fuel cell stack (11), said method comprising the steps of: pumping the temperature-control fluid in a temperature-control section (12) in a first direction through the fuel cell stack (11) during the heating operation, in which the temperature in the fuel cell system (10) lies, at least in portions, below freezing point, and; pumping the temperature-control fluid in the temperature-control section (12) in a second direction through the fuel cell stack (11) opposite to the first direction during the heating operation, in which the temperature in the fuel cell system (10) lies, at least in portions, below freezing point, said fluid being pumped in the first direction and pumped in the second direction alternately at least until a temperature determined in and/or on the fuel cell stack (11) lies at least in regions above freezing point. The invention further relates to a fuel cell system (10) and a computer program product (21) for carrying out a method according to the invention, as well as a non-volatile storage means (22) with a computer program product according to the invention stored thereon.
(FR)
La présente invention concerne un procédé pour exécuter une opération de chauffage consistant à chauffer un empilement de piles à combustible (11) dans un système de pile à combustible (10), l'empilement de piles à combustible (11) comprenant une section de régulation de température (12) permettant de réguler la température de l'empilement de piles à combustible (11), ledit procédé comprenant les étapes consistant à : pomper le fluide de régulation de température dans une section de régulation de température (12) dans une première direction à travers l'empilement de piles à combustible (11) pendant l'opération de chauffage, dans laquelle la température dans le système de pile à combustible (10) se trouve, au moins dans certaines parties, au-dessous du point de congélation, et à pomper le fluide de régulation de température dans la section de régulation de température (12) dans une seconde direction à travers l'empilement de piles à combustible (11) opposée à la première direction pendant l'opération de chauffage, dans laquelle la température dans le système de pile à combustible (10) se trouve, au moins dans certaines parties, au-dessous du point de congélation, ledit fluide étant pompé dans la première direction et pompé dans la seconde direction en alternance au moins jusqu'à ce qu'une température déterminée dans et/ou sur l'empilement de piles à combustible (11) se trouve au moins dans certaines parties au-dessus du point de congélation. La présente invention concerne en outre un système de pile à combustible (10) et un produit de programme informatique (21) permettant de mettre en œuvre le procédé selon l'invention, ainsi qu'un moyen de stockage non volatil (22) sur lequel est stocké le produit de programme informatique selon l'invention.
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