Bipolar plate and fuel cell
AssigneeIndustrial Technology Research Institute
InventorsLi-Duan Tsai, Jiunn-Nan Lin, Chien-Ming Lai, Cheng-Hong Wang
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Abstract
A bipolar plate and a fuel cell are provided. The bipolar plate for the fuel cell has a plurality of flow channels, and a rib is defined between neighboring two flow channels. A top surface of the rib may be a roughened surface or have a porous structure in order to improve performance of the fuel cell.
Claims21
A bipolar plate for a fuel cell, the bipolar plate comprising a plurality of flow channels, wherein a rib is defined between neighboring two of the flow channels, and the bipolar plate is characterized in that:
- a top surface of the rib is a roughened surface.
A bipolar plate for a fuel cell, the bipolar plate having a plurality of flow channels, wherein a rib is defined between neighboring two of the flow channels, and the bipolar plate is characterized in that:
- a top portion of the rib has a porous structure.
A fuel cell, comprising:
- a plurality of bipolar plates, wherein each of the bipolar plates has a plurality of flow channels, and a rib is defined between neighboring two of the flow channels;
- and
- at least one membrane electrode assembly (MEA), disposed among the bipolar plates, wherein
- a top portion of the rib has a porous structure, and the porous structure is compressed in contact with the membrane electrode assembly.
Dependencies are inferred from the claim text.