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dc.contributor.authorSun, J.en_US
dc.contributor.authorHe, C.en_US
dc.contributor.authorYao, X.en_US
dc.contributor.authorSong, A.en_US
dc.contributor.authorLi, Y.en_US
dc.contributor.authorZhang, Q.en_US
dc.contributor.authorHou, C.en_US
dc.contributor.authorShi, Qiuweien_US
dc.contributor.authorWang, H.en_US
dc.identifier.citationSun, J., He, C., Yao, X., Song, A., Li, Y., Zhang, Q., Hou, C., Shi, Q. & Wang, H. (2021). Hierarchical composite-solid-electrolyte with high electrochemical stability and interfacial regulation for boosting ultra-stable lithium batteries. Advanced Functional Materials, 31, 2006381-.
dc.description.abstractSolid-state electrolytes have drawn enormous attention to reviving lithium batteries but have also been barricaded in lower ionic conductivity at room temperature, awkward interfacial contact, and severe polarization. Herein, a sort of hierarchical composite solid electrolyte combined with a “polymer-in-separator” matrix and “garnet-at-interface” layer is prepared via a facile process. The commercial polyvinylidene fluoride-based separator is applied as a host for the polymer-based ionic conductor, which concurrently inhibits over-polarization of polymer matrix and elevates high-voltage compatibility versus cathode. Attached on the side, the compact garnet (Li6.4La3Zr1.4Ta0.6O12) layer is glued to physically inhibit the overgrowth of lithium dendrite and regulate the interfacial electrochemistry. At 25 °C, the electrolyte exhibits a high ionic conductivity of 2.73 × 10−4 S cm−1 and a decent electrochemical window of 4.77 V. Benefiting from this elaborate electrolyte, the symmetrical Li||Li battery achieves steady lithium plating/stripping more than 4800 h at 0.5 mA cm−2 without dendrites and short-circuit. The solid-state batteries deliver preferable capacity output with outstanding cycling stability (95.2% capacity retained after 500 cycles, 79.0% after 1000 cycles at 1 C) at ambient temperature. This hierarchical structure design of electrolyte may reveal great potentials for future development in fields of solid-state metal batteries.en_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.rights© 2020 Wiley-VCH GmbH. All rights reserved.en_US
dc.titleHierarchical composite-solid-electrolyte with high electrochemical stability and interfacial regulation for boosting ultra-stable lithium batteriesen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.subject.keywordsHierarchical Composite Solid Electrolyteen_US
dc.subject.keywordsInterfacial Engineeringen_US
dc.description.acknowledgementThe authors gratefully acknowledge the financial support by Natural Science Foundation of China (Grant No. 51972054), the Fundamental Research Funds for the Central Universities (2232019A3-02), DHU Distinguished Young Professor Program (LZB2019002), and the Fundamental Research Funds for the Central Universities and Graduate Student Innovation Fund of Donghua University (CUSF-DH-D-2020034). All human experiments were carried out with the volunteers’ informed consent.en_US
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