MadSci Network: Engineering

Subject: Fuel Cell and Electrolysis efficiency?

Date: Mon Oct 4 14:58:37 2010
Posted by Tiago
Grade level: undergrad School: No school entered.
City: No city entered. State/Province: No state entered. Country: Brazil
Area of science: Engineering
ID: 1286229517.Eg

With the current technology, if you start with a litter of hydrogen, run it thru
a fuel cell, then use the electricity generated to make hydrogen again, how much
hydrogen will you end up with?

What about the other way around, starting with 100 watts of electricity, using
it to produce hydrogen, and then using that hydrogen to produce electricity with
a fuel cell, how many watts can you get back?

Re: Fuel Cell and Electrolysis efficiency?

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