Stanford engineers created arrays of silicon nanocones to trap sunlight and improve the performance of solar cells made of bismuth vanadate (1μm=1,000 nanometers). Credit: Wei Chen and Yongcai Qiu, Stanford
A Stanford University lab has developed new technologies to tackle 2 of the world’s large energy challenges: clean fuel for transportation and grid-scale energy storage. Although H-cars are emission-free, making hydrogen fuel, however, is not emission free: today, making most H fuel involves natural gas in a process releasing CO2 into the atmosphere.
To address the problem, Cui and his colleagues have focused on photovoltaic water splitting which consists of a solar-powered electrode immersed in water...
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