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MIT has Solar-to-fuel roadmap for crystalline silicon

Wednesday, March 6, 2013 10:23
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From NextBigFuture.com

Bringing the concept of an “artificial leaf” closer to reality, a team of researchers at MIT has published a detailed analysis of all the factors that could limit the efficiency of such a system. The new analysis lays out a roadmap for a research program to improve the efficiency of these systems, and could quickly lead to the production of a practical, inexpensive and commercially viable prototype.

Such a system would use sunlight to produce a storable fuel, such as hydrogen, instead of electricity for immediate use. This fuel could then be used on demand to generate electricity through a fuel cell or other device. This process would liberate solar energy for use when the sun isn’t shining, and open up a host of potential new applications.

PNAS – Modeling integrated photovoltaic–electrochemical devices using steady-state equivalent circuits

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