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A device for power tools may also help regenerative braking.
Volvo, Tesla, and dozens of researchers are using creative battery designs to make electric vehicles lighter.
A startup hopes to commercialize a novel design that features fluid electrodes.
Rechargeable zinc-air batteries can store three times the energy of a lithium-ion battery.
It could make it easier to integrate renewables and reduce fuel consumption in off-grid applications.
Combining aspects of high-energy lithium-sulfur batteries with flow battery technology can lower costs.
A battery made of cheap materials could store power when it’s windy for use when it’s not.
A prototype system can heat and cool without draining battery power.
BMW’s approach to quelling range anxiety differs markedly from the tactics of other automakers.
A fire last week and a forced landing today have brought the possibility of such problems to the forefront.