Wenxin Xu, Huwei Wang, Junyang Hu
Dec 18, 2020
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Influential Citations
15
Citations
Journal
Chemical communications
Abstract
We report a highly concentrated electrolyte consisting of 4 M potassium bis(fluorosulfonyl)imide (KFSI) in diethylene glycol dimethyl ether (DEGDME). This new electrolyte enables stable cycling of K metal anodes with a high CE (over 98% over 400 cycles), and excellent capacity retention (99.7% after 500 cycles) of K||potassium Prussian blue (KPB) batteries.