A method for manufacturing a bipolar plate comprising a step of superposing, along a stack axis (A), a first release film (4), at least one carbon reinforcing film (2), at least one thermosetting resin film (3) and a second release film (4), in order to form a stack (1), and a step of pressurizing the stack (1) in a compression system, the pressurizing step being carried out at a predetermined forming pressure and a predetermined forming temperature for a second predetermined time. The carbon reinforcing film (2) is a nonwoven reinforcing film (2) comprising a plurality of reinforcing fibers (21), each reinforcing fiber (21) extending along an orientation axis (F), the orientation axis (F) of at least 10% to 60% of the reinforcing fibers (21) is oriented along the stack axis (A).
"Method for manufacturing a bipolar plate comprising a stage of superimposition, along a stacking axis (A), of a first demoulding film (4), at least a carbon reinforcement film (2), at least a thermoplastic resin film (3) and a second demoulding film (4), to form a stack (1), and a stage of pressurizing the stack (1) in a compression system, the pressurization stage being reached at a predetermined forming pressure and a predetermined forming temperature for a second predetermined duration. The carbon reinforcement film (2) is a non-woven reinforcement film (2) comprising a plurality of reinforcing fibres (21), each reinforcing fibre extending about an orientation axis (F), the orientation axis (F) of at least 10% to 60% of the reinforcing fibres (21) is guided along the stacking axis (A)."
A method for manufacturing a bipolar plate comprising a step of superposing, along a stack axis (A), a first release film (4), at least one carbon reinforcing film (2), at least one thermosetting resin film (3) and a second release film (4), in order to form a stack (1), and a step of pressurizing the stack (1) in a compression system, the pressurizing step being carried out at a predetermined forming pressure and a predetermined forming temperature for a second predetermined time. The carbon reinforcing film (2) is a nonwoven reinforcing film (2) comprising a plurality of reinforcing fibers (21), each reinforcing fiber (21) extending along an orientation axis (F), the orientation axis (F) of at least 10% to 60% of the reinforcing fibers (21) is oriented along the stack axis (A).
The invention relates to a system (S) for securing a first bipolar plate (1A) and a second bipolar plate (1B), each bipolar plate comprising an electrically conductive central portion (2A, 2B) and an electrically conductive peripheral portion (3A, 3B), the securing system (S) comprising a first assembly device (4) configured to be in contact with the first bipolar plate and a second assembly device (5) configured to be in contact with the second bipolar plate, the first assembly device (4) comprising a heating member which has a peripheral shape and is configured to heat a peripheral heating zone on the peripheral portion (3A) of the first bipolar plate (1A).
B29C 65/24 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated tool characterised by the means for heating the tool
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Power generation equipment and facilities; Power generation systems and subsystems integrated with electrochemical devices such as fuel cells, electrolyzers and REDOX flow batteries; Power generators for fuel cells; Hydrogen generator parts, such as electrodes, separator plates for generators; Electrical construction parts made of carbon or graphite or composite material, in particular contact parts, electrodes, bipolar plates, molded parts or thermocompression parts; Apparatus and machines for hydrogen generation or REDOX flow batteries. Fuel cells; Fuel cell systems; Fuel cell system components; Fuel cell electrodes; Fuel cell membranes; Fuel cell enclosures; Parts and accessories for the foregoing products. Electricity storage devices and instruments; Electricity storage devices; Hydrogen energy storage systems; Ultra-capacitors for energy storage; Electrolyzers; Electric accumulators; Plates for electric accumulators; Galvanic elements; Fuel cell test stations; Automated fuel cell test stations; Hydrogen generator test stations; Software for fuel cell test stations; Software for automated fuel cell test stations; Software for hydrogen test stations. Retail, online or wholesale service of fuel cell integrated power generation systems and subsystems, fuel cells, plates for electric accumulators, molds for the manufacture of fuel cell integrated plate; presentation of products on any means of communication for retail sale; organization of exhibitions for commercial purposes or advertising; online advertising on a computer network; broadcasting of advertisements. Scientific and technological evaluations, assessments and research by engineers related to electrochemical devices; Consulting in the area of design and development of fuel cell test stations, fuel cells, integrated fuel cell systems and related equipment; Design and commissioning of alternative energy systems; Component testing of fuel cell systems and hydrogen storage and conversion systems; Support, project development and project operation services related to fuel cells and hydrogen energy systems; Information and consulting services in all of the above areas.
6.
SYSTEM AND METHOD FOR SECURING COMPOSITE MATERIAL BIPOLAR PLATES OF AN ELECTROCHEMICAL DEVICE
A system (S) for securing a first bipolar plate (1A) and a second bipolar plate (1B), each bipolar plate comprising an electrically conductive central portion (2A, 2B) and a non-electrically conductive peripheral portion (3A, 3B), the securing system (S) comprising a first assembly device (4) configured to be in contact with the first bipolar plate and a second assembly device (5) configured to be in contact with the second bipolar plate, the first assembly device (4) comprising a heating member which has a peripheral shape and is configured to heat a peripheral heating zone in the peripheral portion (3A) of the first bipolar plate (1A).
C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
