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USC team uses mixed conduction membranes to suppress polysulfide shuttle in Li-S batteries

Green Car Congress

One of the major issues hobbling the commercialization of high energy-density lithium-sulfur batteries is the “polysulfide shuttle”—the shuttling of polysulfide ions between the cathode and anode. C = Charge, D = Discharge. Bottom: Schematic of Li-S cell using MCM to encapsulate liquid polysulfides at the sulfur electrode.

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NEC develops prototype 4.5V, long-life manganese Li-ion battery; 30% more energy density, high capacity and light weight

Green Car Congress

High voltage lithium-ion battery prototype. NEC Corporation has developed a prototype next-generation manganese lithium-ion battery featuring cathodes that support higher voltage operations (4.5V These developments could help increase the range of electric vehicles in the future while reducing the weight of the batteries.

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