Materials Science & Engineering Colloquium
Advances in lithium-ion battery and beyond for enabling mass electrification of vehicles
K. Amine
Argonne National Laboratory, 9700 South Cass Av., Argonne, IL
Abstract: To meet the high-energy requirement that can enable the 40-miles electric drive Plug in Hybrid Electric Vehicle (P-HEVs), long range electric vehicle (EV) and smart grid, it is necessary to develop very high energy and high-power cathodes and anodes that when combined in a battery system must offer over 5,000 charge-depleting cycles, 15years calendar life as well as excellent abuse tolerance. These challenging requirements make it difficult for conventional battery systems to be adopted in P-HEVs and EVs. In this talk, we will first introduce the next generation lithium-ion battery that include Ni rich full gradient cathode with Nano-rode primary particles, a novel advance PEDOT coating on cathode particle that significantly enhance the cycle life at high voltages. We will then describe a novel Silicon-graphene composite anode including a novel pre-lithiation technology to overcome the irreversible loss of this anode in the first cycle. We will finish by describing a novel lithium superoxide based close battery system that offer at least 3 times the energy density of the state-of-the-Art lithium ion battery and a SeS system with novel electrolyte that suppress the dissolution of polysulfide species and is very compatible with lithium metal..
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