Scientists at the University of Maryland and the US Army Research Laboratory have used high concentrations of salt in water to create safe, green batteries that could find use in anything from large-scale grid storage to spaceships and pacemakers. Many of today’s batteries are designed so that, on first charge, their energy-carrying electrolytes will break down near the negative pole and form a so-called “solid-electrolyte …
“Water-in-salt” battery bodes well for greener, safer grid storage
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