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1. WO2022094717 - FUEL CELL ASSEMBLIES WITH IMPROVED CONTACT PRESSURE DISTRIBUTION

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Publication Number WO/2022/094717
Publication Date 12.05.2022
International Application No. PCT/CA2021/051575
International Filing Date 04.11.2021
IPC
H01M 8/248 2016.1
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
247Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
248Means for compression of the fuel cell stacks
H01M 8/0265 2016.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0258characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
0265the reactant or coolant channels having varying cross sections
H01M 8/1004 2016.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
1004characterised by membrane-electrode assemblies
CPC
H01M 8/0265
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0258characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
0265the reactant or coolant channels having varying cross sections
H01M 8/1004
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
1004characterised by membrane-electrode assemblies [MEA]
H01M 8/248
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
247Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
248Means for compression of the fuel cell stacks
Applicants
  • LOOP ENERGY INC. [CA]/[CA]
Inventors
  • GUENTHER, Matthew
  • KADYLAK, David Erwin
  • MACKINNON, Sean Michael
  • PULSKAMP, Andrea
  • PAONE, Matthew Paul
Agents
  • DE KLEINE, Geoffrey
  • ALLARD, Louis
  • BEHMANN, Curtis B.
  • BOOCOCK, Graeme
  • COGHLAN, Jeffrey
  • DAMIANI, Michael J.
  • DYBWAD, Scott
  • EVENSON, Brandon
  • GORDON, Jeffrey Keith
  • KEELER, Todd
  • LITTLE, Vanessa Renee
  • MARSMAN, Kathleen E.
  • MUELLER-NEUHAUS, Jason
  • NAUMAN, David
  • PUNDSACK, Scott R.
  • RAOUL, Jennifer M.
  • SKINNER, Mhairi
  • SOJONKY, Andrew D.
  • VICKERS, Mark F.
  • WEBB, Tim E.
Priority Data
63/110,37906.11.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FUEL CELL ASSEMBLIES WITH IMPROVED CONTACT PRESSURE DISTRIBUTION
(FR) ENSEMBLES DE PILES À COMBUSTIBLE À RÉPARTITION DE PRESSION DE CONTACT AMÉLIORÉE
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Abstract
(EN) The present technology relates to apparatus and methods for providing contact pressure distribution between fuel cell components in a fuel cell stack. In some embodiments, the technology relates to fuel cell flow field plate designs and to compression systems for fuel cell stacks that can be used, separately or in combination, to provide more uniform contact pressure distribution across the active area of fuel cells in a fuel cell stack.
(FR) La présente invention concerne un appareil et des procédés pour fournir une répartition de pression de contact entre des composants de pile à combustible dans un empilement de piles à combustible. Dans certains modes de réalisation, la technologie concerne des conceptions de plaques de champ d'écoulement de pile à combustible et des systèmes de compression pour des empilements de piles à combustible qui peuvent être utilisés, séparément ou en combinaison, pour obtenir une répartition de pression de contact plus uniforme sur la zone active de piles à combustible dans un empilement de piles à combustible.
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