Fuel cell and motor vehicle

  • US 10,581,087 B2
  • Filed: 07/24/2015
  • Issued: 03/03/2020
  • Est. Priority Date: 09/04/2014
  • Status: Active Grant
First Claim
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1. A fuel cell, comprising:

  • a stack of alternating bipolar plates and membrane electrode units;

    a plurality of flow channels formed in the bipolar plates, a surface of a part of each of the flow channels includes a hydrophobic segment and a hydrophilic segment with regard to a cross-section of the flow channel, wherein the hydrophobic segment is arranged above the hydrophilic segment, the stack is positioned to have the flow channels run horizontally and at least a part of the hydrophilic segment of each of the flow channels is positioned on a lower portion of the respective flow channel.

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