Fuel cell keeps going after hydrogen runs out


By Caroline Perry – Materials scientists at Harvard have demonstrated an equivalent feat in clean energy generation with a solid-oxide fuel cell (SOFC) that converts hydrogen into electricity but can also store electrochemical energy like a battery. This fuel cell can continue to produce power for a short time after its fuel has run out.

“This thin-film SOFC takes advantage of recent advances in low-temperature operation to incorporate a new and more versatile material,” explains principal investigator Shriram Ramanathan, associate professor of materials science at the Harvard School of Engineering and Applied Sciences (SEAS). “Vanadium oxide (VOx) at the anode behaves as a multifunctional material, allowing the fuel cell to both generate and store energy.” more> http://tinyurl.com/9dx6mkb

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