A molecular approach to solar power (MIT News)


This is another example of excellent innovation from MIT and Harvard. This one is for energy storage and it is quite similar to one I just recently posted on the “bionic leaf”. With better solar energy conversion and more efficient energy storage the idea of moving away from fossil fuels and nuclear power begins to look possible.

Open Matters

Diagram of molecules going through solar-induced charge-discharge cycle, with heat released. The working cycle of a solar thermal fuel, using azobenzene as an example. (Courtesy of Jeff Grossman.)

A molecular approach to solar power
Switchable material could harness the power of the sun — even when it’s not shining.

David L. Chandler | MIT News Office
April 13, 2014

It’s an obvious truism, but one that may soon be outdated: The problem with solar power is that sometimes the sun doesn’t shine.

Now a team at MIT and Harvard University has come up with an ingenious workaround — a material that can absorb the sun’s heat and store that energy in chemical form, ready to be released again on demand.

This solution is no solar-energy panacea: While it could produce electricity, it would be inefficient at doing so. But for applications where heat is the desired output — whether for heating buildings, cooking, or powering heat-based industrial processes — this could…

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