Fuel-cell gas diffusion layer, and method of producing same
US-2015372332-A1 · Dec 24, 2015 · US
US9190686B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9190686-B2 |
| Application number | US-201213591869-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 22, 2012 |
| Priority date | Jun 13, 2008 |
| Publication date | Nov 17, 2015 |
| Grant date | Nov 17, 2015 |
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A casing of a fuel cell stack has stack deformation prevention structure for limiting the change of an interval between end plates on the lower side in a direction of gravity, due to swelling of the lower side of the stack body in the direction of gravity. The stack deformation prevention structure is configured such that elastic modulus of a side plate provided on a lower side of the stack body in the direction of gravity is higher than elastic modulus of a side plate provided on an upper side of the stack body in the direction of gravity.
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What is claimed is: 1. A fuel cell stack, comprising: a stack body formed by stacking a plurality of unit cells in a horizontal direction, a pair of end plates sandwiching the plurality of unit cells forming the stack body, the unit cells each including an electrolyte electrode assembly and separators sandwiching the electrolyte electrode assembly, the electrolyte electrode assembly including a pair of electrodes and an electrolyte interposed between the electrodes; and a stack…
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