Dendrite-Free, High-Rate, Long-Life Lithium Metal Batteries with a 3D Cross-Linked Network Polymer Electrolyte.

Lu, Qingwen; He, Yan-Bing; Yu, Qipeng; Li, Baohua; Kaneti, Yusuf Valentino; Yao, Youwei; Kang, Feiyu; Yang, Quan-Hong · Adv Mater · 2017

basic_science · Level V

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Abstract

A 3D network gel polymer electrolyte (3D-GPE) is designed for lithium metal batteries and prepared by an initiator-free one-pot ring-opening polymerization technique. This 3D-GPE exhibits an unprecedented combination of mechanical strength, ionic conductivity, and more importantly, effective suppression of Li dendrite growth. The produced lithium-based battery presents long life, high rate, and excellent safety.