Rock salt can give a car a little extra traction on a snowy day, but it turns out that it might also be of benefit to fast charging batteries in electric cars as well. Researchers at the U.S.

Sodium secondary batteries exhibit an identical functioning principle to lithium secondary batteries, but they come at a lower price and are expected to function as a potential complement to lithium ...

Saltwater batteries are not likely to ever substitute for lithium-ion batteries for use in portable devices. This is because they can’t hold as much charge in the same package size and weight, or ...