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A battery-swapping startup’s innovative system for charging electric vehicles suffered from overreach and limited consumer demand.
Energ2’s nanostructured carbon anodes can boost lithium-ion battery capacity by 30 percent.
Stretchable batteries that can be recharged wirelessly offer a power source for wearable electronics and health monitors.
Researchers at Oak Ridge National Laboratory have developed a solid electrolyte to replace flammable ones used in lithium-ion batteries.
The materials could make batteries that store more than twice as much energy as lithium-ion ones.
A Microsoft Research project offloads data and calculations to save battery life.
Notable advances in renewable energy pale compared to the impact of shale gas.
Lithium-sulfide batteries could store far more energy than lithium-ion ones.
Taking on established battery makers and making electric vehicles mainstream will require far more radical advances.