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A123 Partners With SolidEnergy To Achieve 4X Energy Density In Lithium-Ion Batteries

A123 Venture Technologies has teamed up with SolidEnergy to develop lithium-ion batteries with four times the energy density of conventional lithium-ion batteries. The technology is called a Solid Polymer Ionic Liquid (SPIL) electrolyte. A123’s standard 18650 batteries only achieve 95 Wh/kg, which is still much better than lead-acid and NiMH … [continued]