Berkeley researchers claim lithium-sulfur battery with 1,500 cycles, but use an expensive cocktail of materials

Researchers at the Lawrence Berkeley National Laboratory (LBNL) have developed a lithium-sulfur (Li-S) battery capable of 1,500 cycles. The group also claim high charging and discharging rates – 3C and 6C, respectively. Initially the prototype cell's specific energy was about 500 Wh/kg, but degra...

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