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US 2011/0256471 A1Published application
Bipolar plate assembly with thermoplastic sealant and method therefor
AssigneeGM Global Technology Operations LLC
InventorXinran Xiao
Life of this patent
Estimating the term…
Abstract
Exemplary embodiments include a product and a method of a bipolar plate assembly for a fuel cell stack. The bipolar plate assembly includes a first plate with a first border, and a second plate with a second border. A thermoplastic sealant is melted between the first and second borders.
Claims16
A product comprising:
- a bipolar plate assembly for a fuel cell stack, the bipolar plate assembly including a first plate having a first border and including a second plate having a second border;
- and
- a thermoplastic sealant located between the first border and the second border.
A method of making a product, the method comprising:
- providing a bipolar plate assembly for a fuel cell stack, the bipolar plate assembly including a first plate having a first border and including a second plate having a second border;
- locating a thermoplastic film between the first plate and the second plate and adjacent the first and second borders;
- and
- melting the thermoplastic film to form a thermoplastic sealant between the first and second borders of the first and second plates.
1 more element
Dependencies are inferred from the claim text.