Article | REF: D3343 V1

Fuel Cell Systems. Stationary applications and electrical mobility

Authors: Daniel HISSEL, Michel CASSIR, Claude LAMY, Gilles TAILLADES

Publication date: January 10, 2024

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4. Thermal management

There are different sources of heat in a fuel cell system:

  • firstly, and this is the most important source, at stack level, where electrochemical losses and the Joule effect translate into heat;

  • then to the various system auxiliaries:

    • in the electrical converters used in the system (particularly at the stack output for shaping the electrical energy produced),

    • in the electrical and thermodynamic machines present in the system (electric motor driving the air compressor, air compressor, gas humidifiers where applicable, etc.),

    • in the reformer burner (for external reforming batteries).

Of course, stack and system temperature must be controlled throughout operation,...

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