Polymerized Ionic Networks with High Charge Density: Quasi-Solid Electrolytes in Lithium-Metal Batteries.

Zhang, Pengfei; Li, Mingtao; Yang, Bolun; Fang, Youxing; Jiang, Xueguang; Veith, Gabriel M; Sun, Xiao-Guang; Dai, Sheng · Adv Mater · 2015

basic_science · Level V

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Abstract

Polymerized ionic networks (PINs) with six ion pairs per repeating unit are synthesized by nucleophilic-substitution-mediated polymerization or radical polymerization of monomers bearing six 1-vinylimidazolium cations. PIN-based solid-like electrolytes show good ionic conductivities (up to 5.32 × 10(-3) S cm(-1) at 22°C), wide electrochemical stability windows (up to 5.6 V), and good interfacial compatibility with the electrodes.