硼基材料在锂硫电池中的研究进展

李高然, 李红阳, 曾海波

Recent Progress of Boron-based Materials in Lithium-sulfur Battery

LI Gaoran, LI Hongyang, ZENG Haibo

图5 (a)Li2S4在Co2B和Co2B@MXene上的吸附构型, (b)Co2B和MXene界面处的电子重排示意图, (c)Co2B@MXene和其他隔膜电池的循环性能对比, (d)Co2B@MXene电池的长循环性能[63]; (e)TiB2表面固硫作用示意图, (f)不同硫物种在硫化TiB2的(001)面上的吸附构型及(g)在(001)和(111)面上的吸附能(Eb)对比, 基于TiB2硫正极的(h)高载量和(i)长循环性能[63,65]

Fig. 5 (a) Li2S4 adsorption configurations on Co2B and Co2B@MXene surfaces, (b) scheme of the electron redistribution at the interfaces between Co2B and MXene, (c) cycling performances of cells based on Co2B@MXene and other separators, (d) long-term cycling performance of the Co2B@MXene cell[63]; (e) schematic illustration of surface-chemical entrapment of polysulfides on TiB2, (f) adsorption configurations and (g) energies of sulfur species on (001) and (111) surfaces of TiB2, (h) high-loading performance and (i) long-term cycling of TiB2-based sulfur electrode[63,65] PP: polypropylene; Colorful figures are available on website