All-solid-state batteries based on sulfide solid electrolytes are potential candidates for applications such as electric vehicles. One of the challenges for the realization of the all-solid-state battery is the construction of composite electrodes with favorable lithium and electron conductive pathways. Here, we prepared an argyrodite type Li₆PS₅Cl-based solid electrolyte (LiPSCl)-coated graphite (Gr:LiPSCl, 64:36 weight ratio) by a dissolution-reprecipitation process and investigate its use as anode material for all-solid-state batteries. The addition of a carbon additive (acetylene black, 0.5, 1 and 2 weight ratio) to LiPSCl-coated graphite to form favorable electronic conductive pathways in the negative electrode was also investigated. The all-solid-state half-cell constructed using the argyrodite-coated graphite and carbon additive in 100:1 weight ratio exhibited a discharge capacity of 335 and 372 mAh g⁻¹ at a C-rate of C/8 and at 25 °C and 100 °C, respectively. The electrochemical performance of the all-solid-state cell at different C-rates was evaluated at 100 °C. A relatively high discharge capacity of 276 mAh g⁻¹ was retained at the high C-rate of 2C.

基于硫化物固体电解质的全固态电池是电动汽车等应用的潜在候选者。实现全固态电池的挑战之一是构建具有有利锂和电子传导途径的复合电极。在这里，我们制备了一种银铁矿型 Li ₆ PS ₅Cl 基固体电解质 (LiPSCl) 涂层石墨（Gr:LiPSCl, 64:36 重量比）通过溶解-再沉淀过程并研究其作为全固态电池负极材料的用途。还研究了将碳添加剂（乙炔黑，0.5、1 和 2 重量比）添加到 LiPSCl 涂覆的石墨中以在负极中形成有利的电子导电通路。使用 100:1 重量比的银铜矿涂层石墨和碳添加剂构建的全固态半电池在 C/8 和 25°的 C倍率下表现出 335 和 372 mAh g ^-1的放电容量C 和 100 °C，分别。在 100 °C 下评估了全固态电池在不同 C 速率下的电化学性能。276 mAh g ^{-1 的}相对较高的放电容量 保持在 2C 的高 C 率。