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US 10,381,658 B2Granted
Fuel cell stack
AssigneePlug Power Inc.
InventorsCharles Russell Elder, James D'Aleo
Life of this patent
Estimating the term…
Abstract
A fuel cell stack includes a fluid flow plate at an outer end, a sealing member contacting the fluid flow plate and a gas diffusion layer, and a catalyst layer inside the gas diffusion layer. A membrane is located at a central location between the catalyst layer and a second catalyst layer. The fluid flow plate includes a channel for receiving a portion of a perimeter of the gas diffusion layer.
Claims13
A fuel cell stack comprising:
- a fluid flow plate at an outer end, said fluid flow plate having a flow channel area and a peripheral area around said flow channel area;
- a sealing member contacting the fluid flow plate and a gas diffusion layer;
- a catalyst layer inside said gas diffusion layer;
- a membrane at a central location between said catalyst layer and a second catalyst layer;
- said fluid flow plate comprising a channel in said peripheral area for receiving a portion of a perimeter of said gas diffusion layer, said channel extending along a side of said peripheral area less than an entire longitudinal dimension of said side of said peripheral area.
2 more elements
Dependencies are inferred from the claim text.