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PREFORMATION OF SOLID ELECTROLYTE INTERPHASE ON ELECTRODES FOR RECHARGEABLE LITHIUM METAL BATTERIES
PREFORMATION OF SOLID ELECTROLYTE INTERPHASE ON ELECTRODES FOR RECHARGEABLE LITHIUM METAL BATTERIES
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机译:在可充电锂金属电池的电极上形成固体电解质界面
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摘要
A one-step in-situ electrochemical pre-charging strategy to generate thin protective films simultaneously on the surfaces of both carbon-based air-electrode and metal anode under an inert atmosphere is disclosed. The thin-films are formed from the decomposition of electrolyte during the in-situ electrochemical pre-charging process in an inert environment and can protect both a carbon air-electrode and a metal anode prior to conventional metal-oxygen discharge/charge cycling where reactive reduced oxygen species are formed. Lithium-oxygen cells after such pre-treatment demonstrate significantly extended cycle life which is far more than those without pre-treatment.
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