Method for fuel cell assembly with springs and pins

Method for fuel cell assembly with springs and pins

A spring loaded direct oxidation fuel cell assembly reduces the effects of precompression relaxation. A near flat spring and a distribution plate form a spring assembly that is disposed between a membrane electrode assembly and one of the current collectors in the fuel cell. The components are assem...

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Hauptverfasser: Minas, Constantinos, Fannon, Megan A, Marvin, Russ, Carlstrom, Jr, Charles M, Hirsch, Robert S, Venkataswamy, Sampath
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Sprache:eng
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creator Minas, Constantinos
Fannon, Megan A
Marvin, Russ
Carlstrom, Jr, Charles M
Hirsch, Robert S
Venkataswamy, Sampath
description A spring loaded direct oxidation fuel cell assembly reduces the effects of precompression relaxation. A near flat spring and a distribution plate form a spring assembly that is disposed between a membrane electrode assembly and one of the current collectors in the fuel cell. The components are assembled into a fuel cell assembly and are precompressed, and a spring yielding process is performed. While precompression is being applied, a set of pins and a plastic frame are insert molded around the fuel cell assembly to hold the components in place. Subsequently, as the precompression relaxes, the spring assembly forces act to maintain an evenly distributed compression on the MEA, thereby compensating for the loss of precompression. A related method of manufacturing a fuel cell assembly is provided.
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title Method for fuel cell assembly with springs and pins
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