锂离子电池快充石墨负极研究与应用

丁晓博, 黄倩晖, 熊训辉

Research and Application of Fast-Charging Graphite Anodes for Lithium-Ion Batteries

Xiaobo Ding, Qianhui Huang, Xunhui Xiong

图9 (a) FEC添加剂对于NCM/石墨全电池性能的提升机理81；(b) DMC、EC和FI分子的HOMO和LUMO轨道82；(c)溶液结构和Li+嵌入石墨层过程的图解a) LCE和b)在不使用/使用BTFE的DME中71；(d)添加金属阳离子添加剂以调节溶剂化结构以抑制溶剂分子共插层的示意图85

Fig 9 (a) improvement mechanism of FEC additive on the performance of NCM/graphite full cell; (b) homo and LUMO orbitals of DMC, EC and FI molecules; (c) illustration of solution structure and Li+ embedding process in graphite layer a) LCE and b) in DME without/using BTFE 71; (d) schematic diagram of adding metal cation additives to adjust the solvation structure to inhibit the cointercalation of solvent molecules 85. (a) Adapted with permission from Ref. 81, Copyright 2018, Elsevier. (b) Adapted with permission from Ref. 82, Copyright 2019, Elsevier.) (c) Adapted with permission from Ref. 71, Copyright 2021, Wiley. (d) Adapted with permission from Ref. 85, Copyright 2016, American Chemical Society.