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A hydrogen fuel cell power plant is a type of fuel cell power plant (or station) which uses a hydrogen fuel cell to generate electricity for the power grid.They are larger in scale than backup generators such as the Bloom Energy Server and can be up to 60% efficient in converting hydrogen to electricity.
Fuel cells are also much cleaner than traditional power generation; a fuel cell power plant using natural gas as a hydrogen source would create less than one ounce of pollution (other than CO 2) for every 1,000 kW·h produced, compared to 25 pounds of pollutants generated by conventional combustion systems. [87]
The challenge for automotive engineers is that hydrogen fuel cells are happiest at a steady power output. That’s what makes them suitable for backup power use, for instance.
The theoretical maximum power output from a hydrogen engine depends on the air/fuel ratio and fuel injection method used. The stoichiometric air/fuel ratio for hydrogen is 34:1. At this air/fuel ratio, hydrogen will displace 29% of the combustion chamber leaving only 71% for the air.
According to Toyota, the FCV features a fuel cell system with an output power density of 3.0 kW/L, which is twice as high as that of its previous fuel cell concept, the Toyota FCHV-adv, delivering an output power of more than 100 kW, despite significant unit downsizing.
The hydrogen-powered SUV will use a fuel cell system co-developed with GM and will have two H2 tanks in the rear of the vehicle, an intelligent power unit under the seats and a fuel cell system ...
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