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All sourcesNASA NTRSDOE OSTI
DOE OSTI2017

Methods for solid electrolyte interphase formation and anode pre-lithiation of lithium ion capacitors

A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant current between the anode and the dopant source. A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant voltage across the anode and the dopant source. An energy storage device can include an anode having a lithium ion pre-doping level of about 60% to about 90%.

25 ENERGY STORAGE↗