Tosylmethyl isocyanide (TosMIC) is used as electrolyte additive to study the effect on the cycling performance of LiNi_0.5Mn_1.5O₄ (LNMO)/graphite 5V lithium-ion cell. The constant current charge and discharge measurement results shows that the capacity retention rate of the cell containing 0.3 wt% TosMIC increases by 18% after 200 cycles, while 1.0 wt% TosMIC worsens the cycling performance of the cell. The decomposition product PF₅ of electrolyte salt LiPF₆ may interact with TosMIC to form TosMIC-PF₅ complex. The results of surface and electrochemical analysis indicate that the complex can be oxidized at the cathode and reduced at the anode simultaneously prior to the solvent molecules of the electrolyte. Theoretical calculation further shows that TosMIC-PF₅ can be oxidized to form a dimer (TosMIC-PF₅)₂ at 4.46V (vs. Li/Li⁺), which may be deposited on the LNMO cathode to help form a coating layer. This coating layer can be rapidly formed in the first cycle and can significantly alleviate the oxidation of the electrolyte, but it cannot inhibit the decomposition of excessive additive. Two proposed reduction reactions of TosMIC-PF₅ occur at 1.66 V and 2.00 V (vs. Li/Li⁺). Unfortunately, the reduction of this additive has a negative impact on the cycling performance of the cell.

_{以甲苯磺酰甲基异氰化物(TosMIC)为电解液添加剂，研究了对LiNi 0.5} Mn _1.5 O ₄ (LNMO)/石墨5V锂离子电池循环性能的影响。恒流充放电测量结果表明，含有0.3 wt% TosMIC的电池在200次循环后容量保持率提高了18%，而1.0 wt% TosMIC则使电池的循环性能变差。电解质盐LiPF ₆的分解产物PF ₅可能与TosMIC相互作用形成TosMIC-PF ₅复杂的。表面和电化学分析的结果表明，配合物可以在电解质的溶剂分子之前同时在阴极被氧化并在阳极被还原。理论计算进一步表明，TosMIC-PF ₅可以 在4.46V（vs . Li/Li ⁺ ）下被氧化形成二聚体（TosMIC-PF ₅）₂，其可以沉积在LNMO正极上以帮助形成涂层。该包覆层可在首个循环中迅速形成，可显着缓解电解液的氧化，但不能抑制过量添加剂的分解。_{TosMIC-PF 5}的两个建议还原反应发生在 1.66 V 和 2.00 V（vs. 锂/锂⁺ )。不幸的是，这种添加剂的减少对电池的循环性能有负面影响。