A solar cell that makes electricity and hydrogen fuel

Researchers at the University of California Los Angeles (UCLA) have developed a device that uses a solar cell to generate electricity and then store it either electrochemically or chemically as hydrogen, which can in turn be used to power hydrogen fuel cars.

“Hydrogen is a great fuel for vehicles: It is the cleanest fuel known, it’s cheap and it puts no pollutants into the air — just water,” said Richard Kaner, the study’s senior author and a UCLA distinguished professor of chemistry and biochemistry, and of materials science and engineering. “And this could dramatically lower the cost of hydrogen cars.”

“People need fuel to run their vehicles and electricity to run their devices,”said Richard Kaner, the study’s senior author and a UCLA distinguished professor of chemistry and biochemistry, and of materials science and engineering. “Now you can make both electricity and fuel with a single device.

“Hydrogen is a great fuel for vehicles: It is the cleanest fuel known, it’s cheap and it puts no pollutants into the air — just water.” Maher El-Kady, a UCLA postdoctoral researcher and a co-author of the research, added “Hydrogen energy is not ‘green’ unless it is produced from renewable sources.”

 

Read the complete story on the UCLA Newsroom
See the published paper at Energy Storage Materials
Graphic abstract:

Watch this video from NOVA with Richard Kaner and Maher El-Kady discussing their work on supercapacitors and graphene

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