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1. WO2014111686 - FUEL CELL SYSTEM

Publication Number WO/2014/111686
Publication Date 24.07.2014
International Application No. PCT/GB2014/050013
International Filing Date 03.01.2014
IPC
H01M 8/04 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/08 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
08Fuel cells with aqueous electrolytes
H01M 8/24 2006.1
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
CPC
H01M 8/04007
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 8/04029
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
04029Heat exchange using liquids
H01M 8/04067
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
H01M 8/08
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
08Fuel cells with aqueous electrolytes
H01M 8/083
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
08Fuel cells with aqueous electrolytes
083Alkaline fuel cells
H01M 8/249
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
249comprising two or more groupings of fuel cells, e.g. modular assemblies
Applicants
  • AFC ENERGY PLC [GB]/[GB]
Inventors
  • AKHTAR, Naveed
Agents
  • MANSFIELD, Peter Turquand
Priority Data
1300906.318.01.2013GB
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FUEL CELL SYSTEM
(FR) SYSTÈME DE PILE À COMBUSTIBLE
Abstract
(EN) A liquid electrolyte fuel cell system (60) comprises at least two fuel cell stacks (20a, 20b), each comprising a plurality of fuel cells, each fuel cell comprising a liquid electrolyte chamber between opposed electrodes, the electrodes being an anode and a cathode. At least one fuel cell stack (20a) is arranged to operate at an elevated temperature such as 65°C, and at least one fuel cell stack (20b) is arranged to operate at a temperature below the elevated temperature, such as 35°C. The system (60) comprises a heat exchanger (62; 64) to transfer heat from at least one fuel cell stack (20a) at the elevated temperature to at least one fuel cell stack (20b) at the lower temperature. This may be achieved by heat exchange between the respective electrolytes.
(FR) L'invention concerne un système (60) de pile à combustible à électrolyte liquide, qui comprend au moins deux empilements (20a, 20b) de piles à combustible, chacun comprenant une pluralité de piles à combustible, chaque pile à combustible comprenant une chambre d'électrolyte liquide entre des électrodes opposées, les électrodes étant constituées d'une anode et d'une cathode. Au moins un empilement (20a) de piles à combustible est agencé pour fonctionner à une température élevée, telle que 65 °C et au moins un empilement (20b) de piles à combustible est agencé pour fonctionner à une température inférieure à la température élevée, telle que 35 °C. Le système (60) comprend un échangeur thermique (62 ; 64) afin de transférer la chaleur depuis au moins un empilement (20a) de piles à combustible à température élevée vers au moins un empilement (20b) de piles à combustible à température inférieure. Cela peut être réalisé par l'échange thermique entre les électrolytes respectifs.
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