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Electrochemical Lit...
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Li, YoubingChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
(author)
Electrochemical Lithium Storage Performance of Molten Salt Derived V2SnC MAX Phase
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-07-22
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Springer,2021
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-178262
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-178262URI
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https://doi.org/10.1007/s40820-021-00684-6DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51902215, 91426304, 21671195, 21805295, 51902320, 51902319, 21875271, U2004212]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2020M680082]; International Partnership Program of Chinese Academy of Sciences [174433KYSB20190019]; Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang [2019R01003]; Ningbo top-talent team program; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO Mat LiU) [200900971]; Knut and Alice Wallenberg FoundationKnut & Alice Wallenberg Foundation [KAW 2015.0043, 2020.0196]; Swedish Foundation for Strategic Research (SSF)Swedish Foundation for Strategic Research [EM16-0004, RIF 14-0074]
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MAX phases are gaining attention as precursors of two-dimensional MXenes that are intensively pursued in applications for electrochemical energy storage. Here, we report the preparation of V2SnC MAX phase by the molten salt method. V2SnC is investigated as a lithium storage anode, showing a high gravimetric capacity of 490 mAh g(-1) and volumetric capacity of 570 mAh cm(-3) as well as superior rate performance of 95 mAh g(-1) (110 mAh cm(-3)) at 50 C, surpassing the ever-reported performance of MAX phase anodes. Supported by operando X-ray diffraction and density functional theory, a charge storage mechanism with dual redox reaction is proposed with a Sn-Li (de)alloying reaction that occurs at the edge sites of V2SnC particles where Sn atoms are exposed to the electrolyte followed by a redox reaction that occurs at V2C layers with Li. This study offers promise of using MAX phases with M-site and A-site elements that are redox active as high-rate lithium storage materials.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Ma, GuoliangSichuan Univ, Peoples R China
(author)
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Shao, HuiUniv Toulouse III Paul Sabatier, France
(author)
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Xiao, PengSichuan Univ, Peoples R China
(author)
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Lu, JunLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)junlu07
(author)
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Xu, JinDongguan Univ Technol, Peoples R China
(author)
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Hou, JinrongTongji Univ, Peoples R China
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Chen, KeChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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Zhang, XiaoChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
(author)
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Li, MianChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
(author)
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Persson, Per O ALinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)perpe25
(author)
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Hultman, LarsLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)larhu75
(author)
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Eklund, PerLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)perek02
(author)
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Du, ShiyuChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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Chai, ZhifangChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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Huang, ZhengrenChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
(author)
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Jin, NaSichuan Univ, Peoples R China
(author)
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Ma, JiweiTongji Univ, Peoples R China
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Liu, YingSichuan Univ, Peoples R China
(author)
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Lin, ZifengSichuan Univ, Peoples R China
(author)
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Huang, QingChinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
(author)
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Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R ChinaSichuan Univ, Peoples R China
(creator_code:org_t)
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Li, Youbing
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