Scientists from IBM and ETH Zurich university have built a tiny “flow” battery that has the dual benefit of supplying power to chips and cooling them at the same time. Even taking pumping into account, it produces enough energy to power a chip while dissipating much more heat than it generates. The result could be smaller, more efficient chips, solar cells that store their own energy or devices used for remote monitoring that don’t require external power sources.
“Redox flow” batteries that use liquid electrolytes are normally used on a large scale to store energy. For instance, Harvard Researchers recently created one that can last over ten years with very little degradation, making it ideal to store solar or wind energy.
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