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Electrochemical Lit...
Electrochemical Lithium Storage Performance of Molten Salt Derived V2SnC MAX Phase
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- Li, Youbing (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Ma, Guoliang (author)
- Sichuan Univ, Peoples R China
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- Shao, Hui (author)
- Univ Toulouse III Paul Sabatier, France
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- Xiao, Peng (author)
- Sichuan Univ, Peoples R China
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- Lu, Jun (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Xu, Jin (author)
- Dongguan Univ Technol, Peoples R China
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- Hou, Jinrong (author)
- Tongji Univ, Peoples R China
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- Chen, Ke (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Zhang, Xiao (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Li, Mian (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Persson, Per O A (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Hultman, Lars (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Eklund, Per (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Du, Shiyu (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Chai, Zhifang (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Huang, Zhengren (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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- Jin, Na (author)
- Sichuan Univ, Peoples R China
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- Ma, Jiwei (author)
- Tongji Univ, Peoples R China
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- Liu, Ying (author)
- Sichuan Univ, Peoples R China
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- Lin, Zifeng (author)
- Sichuan Univ, Peoples R China
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- Huang, Qing (author)
- Chinese Acad Sci, Peoples R China; Qianwan Inst CNiTECH, Peoples R China
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(creator_code:org_t)
- 2021-07-22
- 2021
- English.
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In: Nano-Micro Letters. - : Springer. - 2311-6706 .- 2150-5551. ; 13:1
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Abstract
Subject headings
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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.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Keyword
- MAX phase; Molten salt; Lithium storage; High-rate; Energy storage
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Li, Youbing
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Ma, Guoliang
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Shao, Hui
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Xiao, Peng
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Lu, Jun
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Xu, Jin
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show more...
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Hou, Jinrong
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Chen, Ke
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Zhang, Xiao
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Li, Mian
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Persson, Per O A
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Hultman, Lars
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Eklund, Per
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Du, Shiyu
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Chai, Zhifang
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Huang, Zhengren
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Jin, Na
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Ma, Jiwei
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Liu, Ying
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Lin, Zifeng
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Huang, Qing
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
- Articles in the publication
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Nano-Micro Lette ...
- By the university
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Linköping University