Fuel Cell Auxiliary Power Systems

In addition to high-profile fuel cell applications such as automotive propulsion and distributed power generation, the use of fuel cells as auxiliary power units (APUs) for vehicles has received considerable attention (see Figure 1-9). APU applications may be an attractive market because it offers a true mass-market opportunity that does not require the challenging performance and low cost required for propulsion systems for vehicles. In this section, a discussion of the technical performance requirements for such fuel cell APUs, as well as the current status of the technology and the implications for fuel cell system configuration and cost is given.

Fuel /Fuel Cell type

Nature of Activity



Size range

BMW, International Fuel Cells2

passenger car, BMW 7-series




Ballard, Daimler-Chrysler3

Class 8 Freightliner heavy-duty Century Class S/T truck cab

1.4 kW net for 8000 BTU/h AC unit

Hydrogen, PEM


BMW, Delphi, Global


passenger car

1-5kW net

Gasoline, SOFC

Technology development program

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Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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