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US 2003/0148150 A1Published application
Method for improving a heat and mass transport in a diffusion layer of a fuel cell, and corresponding fuel cell
AssigneeVolkswagon AG
InventorsHeinz Wilkening, Jorg Huslage, Frank Heser
Life of this patent
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Abstract
A method for improving a heat and mass transport in a diffusion layer of a fuel cell is provided. The diffusion layer is connected to a bipolar element which has a plurality of channels for carrying an operating medium. A pressure difference is generated in at least two adjacent channels for carrying the operating medium in order to achieve a convective heat and mass transport. A fuel cell having an improved heat and mass transport in a diffusion layer is also provided.
Claims20
A method for improving a heat and mass transport in a fuel cell, the method which comprises:
- providing a bipolar element including a plurality of channels for carrying an operating medium;
- providing a diffusion layer operatively connected with the bipolar element;
- and
- generating a convective heat and mass transport in the diffusion layer by generating a pressure difference between two adjacent ones of the channels.
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A fuel cell configuration, comprising:
- a diffusion layer;
- a bipolar element adjacent said diffusion layer, said bipolar element having a plurality of channels formed therein for carrying an operating medium;
- and
- said channels being configured to provide a pressure difference between respective two adjacent ones of said channels.
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Dependencies are inferred from the claim text.