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Alkaline fuel cell (AFC) hybrids with the capability to shut down completely between uses (by draining the circulating KOH electrolyte) can expect an operating life of about 4000 h, which is equivalent to 200,000 km of driving, They should be able to compete on cost with heat engines (US$50 to US$100 per kW). An early model is the hydrogen/air fuel cell lead-acid hybrid car, built by K. Kordesch in...
Alkaline fuel cells, until recently the only type of fuel cell reliable enough to be used in space, are being neglected for road traction in favour of the supposed advantages of proton exchange membrane (PEM) cells. In practice, the alkaline cell is very well developed, simple to operate with a built-in cooling system, has excellent reliability, and is inexpensive to manufacture, even in small quantities...
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