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A novel design could boost energy storage.
DOE funds the development of low-cost sodium-ion batteries.
Boston-Power ramps up production of its long-lasting battery.
European researchers have built prototypes that combine plastic solar cells with ultrathin, flexible batteries. But don’t throw away your battery recharger just yet.
SolidEnergy says its new battery materials store more energy and won’t catch fire.
Nanotube anodes could lead to higher-energy, faster-charging batteries for cell phones and notebooks.
Portable electronics could run 40 percent longer using a new type of anode.
A startup says its solid polymer electrolytes will mean cheaper, more-reliable batteries.