宽温域、高电压、安全无EC电解液研究进展

刘志浩, 杜童, 李瑞瑞, 邓涛

Developments of wide temperature range， high voltage and safe EC-free electrolytes

Zhihao LIU, Tong DU, Ruirui LI, Tao DENG

图6 无EC电解液锂电池热安全测试 (a) 传统电解液和 (b) 全氟电解液的热失控特征比较[28]；SL基电池与传统电池在 (c) 25 ℃和 (d) 60 ℃/70 ℃时电性能[68]；(e) 双盐电解液电池加热测试过程的特征阶段和 (f) 电压和内部温度变化[22]

Fig. 6 EC-free based electrolyte lithium battery thermal safety characteristics test (a) Comparison of thermal runaway characteristics of conventional electrolytes and (b) perfluorinated electrolytes[28]; The electrical performance of SL-based batteries and conventional batteries at (c) 25 ℃ and (d) 60 ℃/70 ℃ [68]; (e) Characteristic stages of the heating test process for double-salt electrolyte batteries and (f) voltage and internal temperature changes[22]