Zeolite-Based Solid-State Electrolyte for Highly Stable Zinc Metal Batteries

IF 18.5 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Fulong Li, Zhenye Kang, Lutong Shan, Shan Guo, Chuancong Zhou, Zaowen Zhao, Zhenyue Xing, Jing Li, Peng Rao, Xinlong Tian, Xiaodong Shi
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Abstract

Solid-state electrolytes are demonstrated great inhibition effect on cathodic dissolution and anodic side reactions in zinc-ion batteries. In this work, a novel zeolite-based solid electrolyte (Zeolite-Zn) enriched with zinc ions, high ionic conductivity (2.54 mS cm−1) and high Zn2+ transference number (0.866) is prepared through ion-exchange strategy. Owing to the anhydrous characteristic, Zeolite-Zn electrolyte effectively extends the electrochemical window to 2.5 V and inhibits hydrogen evolution reaction. As for Zn||Zeolite-Zn||NH4V4O10 batteries, high-capacity retention rate of 84.9% can be achieved after 1010 cycles at 0.5 A g−1. Even at high temperature of 60 °C, the NH4V4O10 cathode is able to maintain high reversible capacity of 239.2 mAh g−1 after 110 cycles, which can be attributed to the superior structural stability, weak interfacial side reaction, low zinc migration barrier, and inhibited vanadium dissolution of Zeolite-Zn electrolyte. In addition, the as-fabricated Zn||Zeolite-Zn||AC@I2 batteries have also demonstrated brilliant performances, suggesting its promising potential in practical application of zinc-based secondary batteries. This study provides mechanistic insights and structural inspiration for the original design of inorganic solid electrolytes.

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用于高稳定性锌金属电池的沸石基固态电解质
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来源期刊
Advanced Functional Materials
Advanced Functional Materials 工程技术-材料科学:综合
CiteScore
29.50
自引率
4.20%
发文量
2086
审稿时长
2.1 months
期刊介绍: Firmly established as a top-tier materials science journal, Advanced Functional Materials reports breakthrough research in all aspects of materials science, including nanotechnology, chemistry, physics, and biology every week. Advanced Functional Materials is known for its rapid and fair peer review, quality content, and high impact, making it the first choice of the international materials science community.
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