Claim of new efficiency milstone in a new solar battery

Watts Up With That?

From the OHIO STATE UNIVERSITY

New design brings world’s first solar battery to performance milestone
Sunlight makes the new ‘aqueous solar flow’ battery 20 percent more efficient than today’s lithium-iodine batteries

solar-flow-battery

COLUMBUS, Ohio–After debuting the world’s first solar air battery last fall, researchers at The Ohio State University have now reached a new milestone.

In the Journal of the American Chemical Society, they report that their patent-pending design–which combines a solar cell and a battery into a single device–now achieves a 20 percent energy savings over traditional lithium-iodine batteries.

The 20 percent comes from sunlight, which is captured by a unique solar panel on top of the battery, explained Yiying Wu, professor of chemistry and biochemistry at Ohio State.

The solar panel is now a solid sheet, rather than a mesh as in the previous design. Another key difference comes from the use of a water-based electrolyte inside the…

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