Friday, 6 February 2015

Smaller, safer, solid state battery = double range for EVs


Credit: SolidEnergy/Charged EVs

SolidEnergy is an MIT spin-off founded by Dr. Qichao Hu & colleagues. Their battery uses a thin metal anode & solid state electrolyte to halve cell size.

Economies of scale will be immediately available because the cells can be manufactured on existing LiIon production lines.

SolidEnergy predicts:
2016 - smaller battery for handhelds & wearables
2017 - 2 x range for EVs

http://chargedevs.com/newswire/solidenergy-hopes-to-double-ev-battery-range-by-2017/

http://www.technologyreview.com/news/534626/a-battery-for-electronics-that-lasts-twice-as-long/ / SolidEnergy MIT spin-out company commercializing commercial solid electrolyte technology release 20 Ah EV battery 2017 two times range current Li-ion batteries battery technology Solid Polymer Ionic Liquid SPIL electrolyte ultra-thin lithium metal anode company improves cell-level energy density compared graphite anode compared silicon-composite anodes prototype 2 Ah pouch cell volumetric energy density 1,200 Wh/L novel electrolyte combines ionic liquid liquid polymer solid-polymer-coated lithium anode solid polymer coating dendrite-suppressing additives prevent dendrite growth SolidEnergy founder Dr. Qichao Hu colleagues MIT conventional lithium-ion batteries high temperature applications >50° C high reactivity volatility liquid electrolytes solvent-free solid-state solvent free solid state polymer electrolytes safe stable operation lithium-ion batteries battery elevated temperatures recent advances polymer synthesis devlop development novel materials exhibit solid-like mechanical behavior ionic conductivities liquid electrolytes A123 Venture Technologies Massachusetts technology incubator LiIon lithium ion EV/