Ca-substituted Na3SbS4 glass–ceramic electrolytes: Achieving high conductivity and excellent interfacial stability

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Journal of the American Ceramic Society Pub Date : 2025-01-15 DOI:10.1111/jace.20379

Yu Shen, Tao Huan, Jingxin Lu, Chengwei Gao, Yongxing Liu, Shixun Dai, Changgui Lin, Xianghua Zhang, Hongli Ma, Xiang Shen, Qing Jiao

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Abstract

Super conductor Na₃SbS₄ has received substantial attention in electrolyte research because of its high ionic conductivity and low grain boundary resistance. A breakthrough in electrochemical stability with good ionic conductivity has yet to be captured. Calcium (Ca) appears as an ideal substitute for sodium (Na) due to its abundance in geological resources, nontoxic properties, and equivalent ionic radius. The proposed Na_3-2_xCa_xSbS₄ glass–ceramic electrolytes were subsequently manufactured using ball milling and heat treatment. The results acquired the maximum ionic conductivity of 1.59 mS cm⁻¹ at room temperature, which reached the commercial use level when compared with the current popular lithium-ion battery. Moreover, calcium ions partially replaced sodium sites while creating massive Na vacancies to maintain charge neutrality, resulting in fast ion transport. Furthermore, a more stable ionic bond Ca–S was formed at the interface, which inhibited additional reactions at the electrolyte–metal interface and demonstrated exceptional cyclic stability, making it a viable electrolyte for solid-state sodium-ion batteries.

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.