Sodium hydrosulfide hydrate as sodium precursor for low-cost synthesis of Na3SbS4 ionic conductor

IF 3 4区 材料科学 Q3 CHEMISTRY, PHYSICAL
Pierre Gibot, Christine Surcin, Jean-Noël Chotard
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引用次数: 0

Abstract

Solid-state batteries (SSBs), an alternative to liquid-electrolyte lithium/sodium batteries, are a hot topic of research in the field of electrochemical energy storage. Sodium tetrathioantimonate Na3SbS4, a promising sodium ion-conductor solid electrolyte, can be synthesized via solution chemistry; a suitable, less energy-consuming and efficient method for mass production compared to dry processes (solid-solid reactions, mechanochemistry). The current work proposes to replace anhydrous sodium sulfide (Na2S, Na-precursor) with sodium hydrosulfide (NaSH.xH2O), a cheaper product that considerably reduces the cost of material production, a limiting factor from an up-scaling.
氢硫化钠作为钠前驱体低成本合成Na3SbS4离子导体
固态电池作为液体电解质锂/钠电池的替代品,是电化学储能领域的研究热点。四硫锑酸钠Na3SbS4是一种很有前途的钠离子导体固体电解质。与干法(固固反应,机械化学)相比,适合大规模生产,能耗低,效率高的方法。目前的工作建议用氢硫化钠(NaSH.xH2O)取代无水硫化钠(Na2S, na前体),这是一种更便宜的产品,可以大大降低材料生产成本,这是扩大规模的限制因素。
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来源期刊
Solid State Ionics
Solid State Ionics 物理-物理:凝聚态物理
CiteScore
6.10
自引率
3.10%
发文量
152
审稿时长
58 days
期刊介绍: This interdisciplinary journal is devoted to the physics, chemistry and materials science of diffusion, mass transport, and reactivity of solids. The major part of each issue is devoted to articles on: (i) physics and chemistry of defects in solids; (ii) reactions in and on solids, e.g. intercalation, corrosion, oxidation, sintering; (iii) ion transport measurements, mechanisms and theory; (iv) solid state electrochemistry; (v) ionically-electronically mixed conducting solids. Related technological applications are also included, provided their characteristics are interpreted in terms of the basic solid state properties. Review papers and relevant symposium proceedings are welcome.
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