Li/CF x 一次电池研究进展

Li/CF _x 一次电池研究进展

汤才, 蒋江民, 王新峰, 刘广发, 崔艳华, 庄全超

Research progress of Li/CF _x primary batteries

Cai TANG, Jiangmin JIANG, Xinfeng WANG, Guangfa LIU, Yanhua CUI, Quanchao ZHUANG

图2 (a) Li/CF _x 一次电池的结构及工作原理图; (b) Li/CF _x 一次电池放电的“核-壳”模型示意图；(c) SI-CF的形成示意图(SI-CF和COV-CF分别为半离子型和共价型C—F键)；(d) 固态和液态电池中LiF晶核的形态演变过程示意图^[28]；(e) CF _x 锂化过程的Li⁺ 边缘传播机制示意图^[29]；(f) Li/CF _x 一次电池放电深度的机理示意图^[30]

Fig. 2 (a) Structure and working principle of Li/CF _x primary batteries; (b) Schematic of the "core-shell" model of Li/CF _x primary battery discharge; (c) Schematics of the formation of SI-CF and thus CF _L product (SI-CF and COV-CF refer to the semi-ionic and covalent CF bonds, respectively), (d) Schematics for the formation and growth processes of LiF crystal nuclei and grains in solid and liquid states batteries^[28]; (e) Schematic of the Li⁺ edge-propagation mechanism for the lithiation process of CF _x^[29]; (f) The schematic of the Li/CF _x system mechanism through the depth of discharge^[30]