Tailored Carrier Transport Path by Interpenetrating Networks in Cathode Composite for High Performance All-Solid-State Li-SeS2 Batteries

Lei Zhou, Muhammad Khurram Tufail, Yaozu Liao, Niaz Ahmad, Peiwen Yu, Tinglu Song, Renjie Chen*, Wen Yang*

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

29 引用 (Scopus)

摘要

All-solid-state Li-SeS2 batteries (ASSLSs) are more attractive than traditional liquid Li-ion batteries due to superior thermal stability and higher energy density. However, various factors limit the practical application of all-solid-state Li-SeS2 batteries, such as the low ionic conductivity of the solid-state electrolyte and the poor kinetic property of the cathode composite, resulting in unsatisfactory rate capability. Here, we employed a traditional ball milling method to design a Li7P2.9W0.05S10.85 glass–ceramic electrolyte with high conductivity of 2.0 mS cm− 1 at room temperature. In order to improve the kinetic property, an interpenetrating network strategy is proposed for rational cathode composite design. Significantly, the disordered cathode composite with an interpenetrating network could promote electronic and ionic conduction and intimate contacts between the electrolyte–electrode particles. Moreover, the tortuosity factor of the carrier transport channel is considerably reduced in electrode architectures, leading to superior kinetic performance. Thus, assembled ASSLS exhibited higher capacity and better rate capability than its counterpart. This work demonstrates that an interpenetrating network is essential for improving carrier transport in cathode composite for high rate all-solid-state Li-SeS2 batteries. Graphical abstract: [Figure not available: see fulltext.]

源语言英语
页(从-至)487-502
页数16
期刊Advanced Fiber Materials
4
3
DOI
出版状态已出版 - 6月 2022

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Zhou, L., Tufail, M. K., Liao, Y., Ahmad, N., Yu, P., Song, T., Chen, R., & Yang, W. (2022). Tailored Carrier Transport Path by Interpenetrating Networks in Cathode Composite for High Performance All-Solid-State Li-SeS2 Batteries. Advanced Fiber Materials, 4(3), 487-502. https://doi.org/10.1007/s42765-021-00123-6