Scientists left water inside a battery and nearly doubled its power
SMRTR summary
Researchers at the University of Surrey found that leaving water inside a sodium vanadium oxide battery material nearly doubled its energy storage capacity, contradicting the common practice of removing moisture. The hydrated material charged faster and stayed stable for over 400 charge cycles. Surprisingly, it also worked in saltwater, pulling salt out of water, raising the possibility of devices that both store energy and produce fresh water.
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