Citation: Cheng-Jin Liu, Jia-Xiang Wan, Chang Miao, Zhi-Yan Wang, Wei Xiao. Facile ammonium salt-mediated double-deck stacking strategy of Li₃YCl₆ halide solid electrolytes for all-solid-state lithium-metal batteries[J]. Chinese Chemical Letters, ;2026, 37(10): 111603. doi: 10.1016/j.cclet.2025.111603 shu

Facile ammonium salt-mediated double-deck stacking strategy of Li₃YCl₆ halide solid electrolytes for all-solid-state lithium-metal batteries

College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou 434023, China

miaochang2004@163.com

xwylyq2006@126.com

Received Date: 8 June 2025
Revised Date: 7 July 2025
Accepted Date: 17 July 2025
Available Online: 17 July 2025

Figures(4)

A facile ammonium salt-mediated double-deck stacking strategy is first put forward to fabricate Li₃YCl₆ (LYC) halide solid electrolyte (HSE), which capitalizes on the dual functionality of NH₄Cl in terms of dehydration and chlorination. It is worth mentioning that the obtained LYC features nanoparticles (< 400 nm) and demonstrates an excellent ionic conductivity of 2.33 × 10^–4 S/cm at 25 ℃. In addition, the integration of LYC into all-solid-state cell with LiCoO₂ cathode and Li anode delivers a high initial discharge specific capacity of 139.5 mAh/g at 0.1 C with a capacity retention ratio of 87.7% after 50 cycles. Encouragingly, the well-designed strategy not only enables the adoption of low-cost metal oxides and hydrates as raw materials, but also realizes the regeneration of damp LYC HSE. Hence, these encouraging results manifest that the proposed synthesis strategy delivers extremely economic benefits and valuable insights for developing HSEs.
- Halide solid electrolyte,
- Li₃YCl₆,
- Ammonium salt,
- Double-deck stacking strategy,
- All-solid-state lithium-metal battery
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通讯作者: 陈斌, bchen63@163.com

Facile ammonium salt-mediated double-deck stacking strategy of Li₃YCl₆ halide solid electrolytes for all-solid-state lithium-metal batteries