Automotive fuel cell © Siemens Stiftung 2017 CC BY-SA 4.0 international

Automotive fuel cell

Image

Photo:
A fuel cell stack for cars is pictured. The dimensions for approximately 40 l volume are approximately 1.0 m x 0.8 m x 0.35 m.

English, German
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2018-07-13
A single hydrogen-oxygen fuel cell delivers approximately 1.23 volts. To achieve usable voltages of approximately 40 volts and power of approximately 50 kW, many of these individual cells must be assembled in a combination of series and parallel connections (“fuel cell stack”). The future of fuel cell vehicles is uncertain, since fuel cells and hydrogen tanks are quite expensive. In comparison, the prices for the batteries of pure electric cars are now falling relatively quickly.
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Illustration
Chemistry; Physics; Technology
Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Chemical reduction; Energy; Energy supply; Future; Hydrogen; Power generation; Renewable energy; Technology
Siemens Stiftung Media Portal
Dr. Michael Huber
© Siemens Stiftung 2017
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