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New Way to Produce Hydrogen at the South Pole Using Sunlight

New Way to Produce Hydrogen at the South Pole Using Sunlight
azom.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from azom.com Daily Mail and Mail on Sunday newspapers.

The Sage of Hastings-on-Hudson: The Wit and Wisdom of Ron Cascone : Biofuels Digest

The Sage of Hastings-on-Hudson: The Wit and Wisdom of Ron Cascone : Biofuels Digest
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Solarer Wasserstoff: Photoanoden aus α-SnWO4 versprechen hohe Wirkungsgrade

Solarer Wasserstoff: Photoanoden aus α-SnWO4 versprechen hohe Wirkungsgrade
chemie.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chemie.de Daily Mail and Mail on Sunday newspapers.

Solar hydrogen: Photoanodes made of alpha-SnWO4 promise high efficiencies

 E-Mail IMAGE: TEM-Image of a α-SnWO4 film (green) coated with 20 nm NiOx (pink). At the interface of α-SnWO4 and NiOx an additional interfacial layer can be observed. view more  Credit: HZB Hydrogen is an important factor in a sustainable energy system. The gas stores energy in chemical form and can be used in many ways: as a fuel, a feedstock for other fuels and chemicals or even to generate electricity in fuel cells. One solution to produce hydrogen in a climate-neutral way is the electrochemical splitting of water with the help of sunlight. This requires photoelectrodes that provide a photovoltage and photocurrent when exposed to light and at the same time do not corrode in water. Metal oxide compounds have promising prerequisites for this. For example, solar water splitting devices using bismuth vanadate (BiVO4) photoelectrodes achieve already today ~8 % solar-to-hydrogen efficiency, which is close to the material s theoretical maximum of 9 %.

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