Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/163068
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dc.contributor.authorHu, Pingen_US
dc.contributor.authorZhu, Tingen_US
dc.contributor.authorCai, Congcongen_US
dc.contributor.authorMai, Boen_US
dc.contributor.authorYang, Chenen_US
dc.contributor.authorMa, Jianminen_US
dc.contributor.authorZhou, Liangen_US
dc.contributor.authorFan, Hong Jinen_US
dc.contributor.authorMai, Liqiangen_US
dc.date.accessioned2022-11-18T06:35:12Z-
dc.date.available2022-11-18T06:35:12Z-
dc.date.issued2022-
dc.identifier.citationHu, P., Zhu, T., Cai, C., Mai, B., Yang, C., Ma, J., Zhou, L., Fan, H. J. & Mai, L. (2022). Sodium ion storage in Na₄MnV(PO₄)₃@C free-standing electrode. Advanced Functional Materials. https://dx.doi.org/10.1002/adfm.202208051en_US
dc.identifier.issn1616-301Xen_US
dc.identifier.urihttps://hdl.handle.net/10356/163068-
dc.description.abstractTo enhance the energy density of batteries and explore intrinsic charge storage mechanism of the active materials, it is important to reduce or eliminate the use of non-active materials in electrodes, such as binder and conductive additives. Herein, free-standing Na4MnV(PO4)3@C (F-NMVP@C) fiber membrane is fabricated and directly used as a sodium-ion battery (SIB) cathode. In situ X-ray diffraction reveals that the V3+/V4+ redox reaction occurs through a solid-solution reaction while a two-phase Mn2+/Mn3+ redox reaction is identified, and both are highly reversible. Meanwhile, ex situ electrochemical impedance spectroscopy reveals that both the ion diffusion coefficient and charge transfer resistance of F-NMVP@C change reversibly during the Na+ intercalation/de-intercalation. Battery full cells are assembled based on the free-standing F-NMVP@C cathodes and F-Sb@C anodes, which manifests a high energy density (293 Wh kg−1) and good cyclability (87.5% after 100 cycles at 1 C). The high-performance free-standing cathodes and anodes shed light on the development of flexible SIBs.en_US
dc.language.isoenen_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.rights© 2022 Wiley-VCH GmbH. All rights reserved. This is the peer reviewed version of the following article: Hu, P., Zhu, T., Cai, C., Mai, B., Yang, C., Ma, J., Zhou, L., Fan, H. J. & Mai, L. (2022). Sodium ion storage in Na₄MnV(PO₄)₃@C free-standing electrode. Advanced Functional Materials, which has been published in final form at https://doi.org/10.1002/adfm.202208051. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.en_US
dc.subjectScience::Physicsen_US
dc.titleSodium ion storage in Na₄MnV(PO₄)₃@C free-standing electrodeen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doi10.1002/adfm.202208051-
dc.description.versionSubmitted/Accepted versionen_US
dc.identifier.scopus2-s2.0-85139938333-
dc.subject.keywordsFree-Standing Membranesen_US
dc.subject.keywordsNASICON Structuresen_US
dc.description.acknowledgementThis work was supported by the National Natural Science Foundation of China (52102299), the Guangdong Basic and Applied Basic Research Foundation (2021A1515110059), the National Key Research and Development Program of China (2018YFB0104200), the China Postdoctoral Science Foundation (2020M682500, 2020M682502), the Fundamental Research Funds for the Central Universities (WUT: 2021IVA028B, 2021IVA034B), and the Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory (XHT2020-003).en_US
item.grantfulltextembargo_20231024-
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