Home > Publications database > Durable fast-charging lithium metal batteries designed with cross-linked polymer electrolytes and niobate-coated cathode |
Journal Article | FZJ-2022-02142 |
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2022
Elsevier
New York, NY [u.a.]
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Please use a persistent id in citations: http://hdl.handle.net/2128/31153 doi:10.1016/j.jpowsour.2022.231528
Abstract: A durable lithium metal polymer battery with extended cycle-life is designed by exploiting cross-linked poly(trimethylene carbonate) (PTMC) electrolytes and LiNi0.6Mn0.2Co0.2O2 (NMC622) with well-defined protectivecoating (0.5 wt% of LiNbO3 on the surface layer, <5 nm thickness). The presented materials demonstratefeasibility of faster cycling at rates of 1C and 2C at temperatures of 40 and 60 ◦C, exhibiting prominent capacityretention of 91% and 80% SOH (state of health) after 500 cycles. At higher cross-linking densities, the introducedquasi-solid polymer electrolytes afford good cycling performance and sufficient suppression of high surface arealithium depositions as well as improved ability of solvent entrapment, hence reflecting a considerable stepforward towards achieving all solid-state polymer-based cells.
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