Article Dans Une Revue Nanomaterials Année : 2025

Exploring the Potential of SnHPO3 and Ni3.4Sn4 as Anode Materials in Argyrodite-Based All-Solid-State Lithium-Ion Batteries

Résumé

All-solid-state batteries have garnered significant attention due to their potential to exceed the energy density of conventional lithium-ion batteries, particularly when alloying-based materials or lithium metal anodes are used. However, achieving compatibility with lithium metal remains a persistent bottleneck. In this study, we shed light on the potential of SnHPO3 tin phosphite and Ni3.4Sn4 intermetallic as novel conversion/alloying anode materials for all-solid-state lithium batteries using Li6PS5Cl as the solid electrolyte. The two Sn-based active materials were nanostructured by ball-milling to demonstrate considerable promise for application in all-solid-state half-cells. Galvanostatic cycling at room temperature revealed electrochemical behavior based on conversion/alloying reactions akin to those observed in conventional lithium-ion batteries. Promisingly, both materials exhibited satisfying electrochemical stability, with coulombic efficiencies exceeding 97%. These findings indicate that Li6PS5Cl solid electrolyte is compatible with Sn-based alloying anodes.

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hal-05188423 , version 1 (30-11-2025)

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Wissal Tout, Junxian Zhang, Mickael Mateos, M’hamed Oubla, Fouzia Cherkaoui El Moursli, et al.. Exploring the Potential of SnHPO3 and Ni3.4Sn4 as Anode Materials in Argyrodite-Based All-Solid-State Lithium-Ion Batteries. Nanomaterials, 2025, 15 (7), pp.512. ⟨10.3390/nano15070512⟩. ⟨hal-05188423⟩
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