Citation:
Wang Zhan-Liang, Tang Zhi-Yuan, Geng Xin, Xue Jian-Jun. Research on Novel PMMAbased Gel Electrolyte for Lithium Ion Battery[J]. Acta Physico-Chimica Sinica,
;2002, 18(03): 272-275.
doi:
10.3866/PKU.WHXB20020317
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Novel PMMAbased electrolyte crosslinked by ethylene glycol dimethacrylate(EGD) for lithium ion battery is prepared. As the network structure, the mechanical property of the gelled electrolyte is improved. The content of methyl methacrylate(MMA) and EGD are optimized, and the temperature dependence of conductivity is investigated. The conductivity reaches 2×10-3 S•cm-1 in the polymer electrolyte containing 25%MMA, 2% EGD and 73% LiBF4 (mass fraction) in ethylene carbonate(EC)/dimethyl carbonate(DMC) at room temperature, and the electrochemical stability window is about 4.80 V versus lithium. The polymer lithium ion battery with gelled PMMAbased electrolyte exhibits od electrochemical property.
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