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以碳酸甘油酯和草酰氯为原料,合成一种新型凝胶电解质添加剂——双(2,3-环碳酸甘油酯)草酸酯(BGCO),研究了该添加剂对碳酸丙烯酯(PC)做增塑剂的聚(甲基丙烯酸甲酯-丙烯腈)[P(MMA-AN)]基凝胶电解质导电性能的影响。结果表明,BGCO在PC溶液(含LiClO4为1 mol/L)中的饱和添加量为质量分数3%,将P(MMA-AN)薄膜浸渍于含3%BGCO的PC溶液(含LiClO4为1mol/L)中45min,制成含锂离子的凝胶电解质,电导率达2.432×10-4 S/cm,比未加入BGCO的电导率略有提高,表明增塑剂中添加BGCO有利于提高P(MMAAN)凝胶电解质的导电性能。
A new type of gel electrolyte additive, bis (2,3-cyclic carbonate) oxalate (BGCO), was synthesized from glycerol carbonate and oxalyl chloride. The effects of the additive on the production of propylene carbonate (PC) Plasticizer poly (methyl methacrylate-acrylonitrile) [P (MMA-AN)] based gel electrolyte conductivity. The results showed that the saturated content of BGCO in PC solution (including 1 mol / L LiClO4) was 3%, the P (MMA-AN) thin film was immersed in PC solution containing 3% BGCO L) for 45min to prepare a lithium ion-containing gel electrolyte with a conductivity of 2.432 × 10-4 S / cm, which is slightly higher than that of the non-added BGCO, indicating that addition of BGCO in the plasticizer is favorable for increasing the P ( MMAAN) Conductivity of gel electrolyte.