锂离子电池电解液各类溶剂物化性质

MwStructureTm(℃)Tb(℃)Tf(℃)EC碳酸乙烯酯88.0635-38243-244160PC碳酸丙烯酯102.09-49240132.2BC碳酸丁烯酯116.12-53240FEC氟代碳酸乙烯酯106.0518249VC碳酸亚乙烯酯86.0519-2216272.8DMC碳酸二甲酯98.082-49018.3EMC碳酸甲乙酯104.1-14.510723DEC碳酸二乙酯118.13-43126-12831.1MF甲酸甲酯60.05-10032-34-16EF甲酸乙酯74.08-8052-547PF甲酸丙酯88.11-9380-81-3.9solvent碳酸酯类溶剂羧酸酯类溶剂OOOOOOOOOFOOOOOOOOOOOOOOOOOOOOOBF甲酸丁酯102.13-9110713.9MA乙酸甲酯74.08-9857-58-16EA乙酸乙酯88.01-8476.5-77.5-3PA乙酸丙酯102.13-9510212.7BA乙酸丁酯116.16-78124-12623.3MP丙酸甲酯88.11-88796.1EP丙酸乙酯102.13-739912.2PP丙酸丙酯116.16-76122-12424.4MB丁酸甲酯102.13-85102-10311.7EB丁酸乙酯116.16-93.312019.4PB丁酸丙酯130.1895142-14338.9GBLγ-丁内酯86.09-45204-20598.3OOOOOOOOOOOOOOOOOOOOOOOOGVLδ-戊内酯100.12-31208100THF四氢呋喃72.1133-36661102Me-THF2-甲基四氢呋喃86.13-13678-80-121,3-DOL1,3-二氧戊环74.08-9574-751.74-Me-1,3-DOL4-甲基-1,3-二氧戊环88-12585-22-Me-1,3-DOL2-甲基-1,3-二氧戊环88.1182-83-2DMM二甲氧甲烷76.09-10541-43-18DME乙二醇二甲醚二甲氧乙烷90.12-69850DG二乙二醇二甲醚134.17-6416257SL环丁砜120.1727.4285166DMSO二甲基亚砜78.1318.418989腈类溶剂砜类溶剂醚类溶剂OOOOOOOOOOOSOOSOOOOOOO丙二腈66.0630-32220234戊二腈94.11-29285-287230NNNNεη(mPas)ρ(g/cm3)89.781.85(40℃)1.32164.922.531.204533.21.1281.45486.051.363.1070.59(20℃)1.0692.9580.651.012.8050.750.9758.90.3280.9747.10.9217.90.904碳酸酯类溶剂羧酸酯类溶剂0.8946.70.370.9326.020.450.9025.620.580.8880.886.20.4810.9155.70.8880.8815.50.60.8985.20.710.8754.30.873391.731.123421.0577.580.4616.970.4620.866.980.5881.0696.80.60.9834.390.540.992.70.350.867.20.4550.8677.231.060.94343.310.291.26146.361.9961.1腈类溶剂砜类溶剂醚类溶剂471.0490.995羧酸酯类溶剂腈类溶剂高沸点、闪点、介电常数，低粘度，耐高压砜类溶剂耐高压，介电常数高GBL高温性能好PC小分子羧酸酯类溶剂高温储存容易发生分解产气还原电位0.4-0.5V低嵌锂负极石墨/锂等兼容性差熔点高，粘度大，石墨兼容性差石墨兼容性差，成膜无法改善天然石墨、复合石墨中无法使用