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US08354201B2 Fuel cell with spatially non-homogeneous ionic membrane 有权
燃料电池与空间非均匀离子膜

Fuel cell with spatially non-homogeneous ionic membrane
Abstract:
A fuel cell includes a first flow field plate defining at least one flow field channel. A cathode catalyst layer is disposed over at least a portion of the first flow field plate. A polymeric ion conducting membrane is disposed over cathode catalyst layer. An anode catalyst layer is disposed over the polymeric ion conducting membrane. Finally, a second flow field plate defining at least one flow field channel is disposed over the anode catalyst layer. The polymeric ion conducting membrane extends beyond the cathode catalyst layer and the anode catalyst layer such that the fuel cell has at least one peripheral region with the polymeric catalyst layer interposed between first flow field plate and the second flow field plate without the cathode catalyst layer and the anode catalyst layer.
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