硫系电解液添加剂对镍钴锰酸锂//石墨锂离子电池性能的影响
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夏恒恒, 梁鹏程, 安仲勋
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Effects of sulfur-containing electrolyte additives on the performance of lithium nickel cobalt manganese oxide//graphite Li-ion batteries
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Hengheng XIA, Pengcheng LIANG, Zhongxun AN
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表1 不同电解液添加剂的物理化学性质
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Table 1 Physical and chemical qualities of various electrolyte additives
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| 电解液添加剂 | 还原电位(vs. Li/Li+)/V | LUMO/eV | 熔点/℃ |
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| 碳酸亚乙烯酯(VC) | 0.9 (1.0 mol/L LiPF6-VC/DEC)[21] | -0.01[22] | 22 | | 亚硫酸乙烯酯(ES) | 1.7 (1.0 mol/L LiPF6-EC/DMC)[4] | -1.25[23] | -17 | | 硫酸乙烯酯(DTD) | 1.25 (1.0 mol/L LiPF6-EC/DMC/EMC)[24] | 0.11[24] | 99 | | 1,3-丙二醇环硫酸酯(PCS) | 1.8 (1.0 mol/L LiPF6-EC/DEC)[25] | -0.34[9] | 60 | | 1,3-丙烷磺酸内酯(PS) | 0.74 (1.0 mol/L LiPF6-EC/DMC)[26] | 0.03[26] | 30 | | 1,3-丙烯磺酸内酯(PST) | 1.12 (1.0 mol/L LiPF6-EC/DMC)[26] | -0.27[26] | 83 |
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