All-solid-state lithium-ion batteries (ASLBs) employing sulfide solid electrolytes (SEs) have emerged as promising next-generation batteries for large-scale energy storage applications in terms of safety and high energy density. While slurry-based fabrication processes using polymeric binders and solvents are inevitable to produce sheet-type electrodes, these processes for ASLBs have been overlooked until now. In this work, we report the first scalable single-step fabrication of bendable sheet-type composite electrodes for ASLBs using a one-pot slurry prepared from SE precursors (Li₂S and P₂S₅), active materials (LiNi_0.6Co_0.2Mn_0.2O₂ or graphite), and polymeric binders (nitrile-butadiene rubber (NBR) or polyvinyl chloride (PVC)) via a wet-chemical route using tetrahydrofuran. At 30 °C, the LiNi_0.6Co_0.2Mn_0.2O₂ and graphite electrodes wet-tailored from SE precursors and NBR exhibit high capacities of 140 mA h g⁻¹ at 0.1C and 320 mA h g⁻¹ at 0.2C, respectively. Particularly, the rate capability of the graphite electrode in an all-solid-state cell is superior to that of a liquid electrolyte-based cell. Additionally, the effects of the size of the SE precursors and the polymeric binders on the electrochemical performance are investigated. Finally, the excellent electrochemical performance of LiNi_0.6Co_0.2Mn_0.2O₂/graphite ASLBs assembled using the as-single-step-fabricated electrodes are also demonstrated not only at 30 °C but also at 100 °C.

中文翻译：

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从全固态锂离子电池的固体电解质前驱体一步一步湿法制造片状电极

就安全性和高能量密度而言，采用硫化物固体电解质（SE）的全固态锂离子电池（ASLB）已成为有前途的下一代电池，可用于大规模储能应用。虽然使用聚合物粘合剂和溶剂的基于浆料的制造工艺不可避免地会产生片状电极，但迄今为止，这些用于ASLB的工艺一直被人们所忽视。在这项工作中，我们报告了使用由SE前体（Li ₂ S和P ₂ S ₅），活性材料（LiNi _0.6 Co _0.2锰_0.2 O ₂或石墨）和聚合物粘合剂（丁腈橡胶（NBR）或聚氯乙烯（PVC））通过湿化学途径使用四氢呋喃制备。在30°C下，由SE前驱物和NBR湿法定制的LiNi _0.6 Co _0.2 Mn _0.2 O ₂和石墨电极在0.1C和320 mA hg ^-1时表现出140 mA hg ^-1的高容量分别在0.2C下。特别地，全固态电池中的石墨电极的倍率能力优于液体电解质基电池的倍率能力。另外，研究了SE前体和聚合物粘合剂的尺寸对电化学性能的影响。最后，不仅在30°C，而且在100°C，也证明了使用单步制造的电极组装的LiNi _0.6 Co _0.2 Mn _0.2 O ₂ /石墨ASLB的优异电化学性能。