U.S. Army develops new type of cathode chemistry that makes batteries safer and more efficient. Currently, soldiers carry batteries weighing between 15-20 lbs. But the new type of cathode and electrolyte would result in safer and more efficient batteries weighing half as much.

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U.S. Army develops new type of cathode chemistry that makes batteries safer and more efficient. Currently, soldiers carry batteries weighing between 15-20 lbs. But the new type of cathode and electrolyte would result in safer and more efficient batteries weighing half as much.