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A general Lewis aci...
A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte
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- Li, Youbing (författare)
- Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Shao, Hui (författare)
- Univ Toulouse, France; CNRS, France
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- Lin, Zifeng (författare)
- Sichuan Univ, Peoples R China
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- Lu, Jun (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Liu, Liyuan (författare)
- Univ Toulouse, France; CNRS, France
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- Duployer, Benjamin (författare)
- Univ Toulouse, France; CNRS, France
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- Persson, Per O A (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Eklund, Per (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Hultman, Lars (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Li, Mian (författare)
- Chinese Acad Sci, Peoples R China
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- Chen, Ke (författare)
- Chinese Acad Sci, Peoples R China
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- Zha, Xian-Hu (författare)
- Chinese Acad Sci, Peoples R China
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- Du, Shiyu (författare)
- Chinese Acad Sci, Peoples R China
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- Rozier, Patrick (författare)
- Univ Toulouse, France; CNRS, France
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- Chai, Zhifang (författare)
- Chinese Acad Sci, Peoples R China
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- Raymundo-Pinero, Encarnacion (författare)
- CNRS, France; Univ Orleans, France
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- Taberna, Pierre-Louis (författare)
- Univ Toulouse, France; CNRS, France
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- Simon, Patrice (författare)
- Univ Toulouse, France; CNRS, France; Inst Univ France, France
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- Huang, Qing (författare)
- Chinese Acad Sci, Peoples R China
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(creator_code:org_t)
- 2020-04-13
- 2020
- Engelska.
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Ingår i: Nature Materials. - : NATURE PUBLISHING GROUP. - 1476-1122 .- 1476-4660. ; 19:8, s. 894-899
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Two-dimensional transition metal carbides and nitrides, known as MXenes, are currently considered as energy storage materials. A generic Lewis acidic etching route for preparing high-rate negative-electrode MXenes with enhanced electrochemical performance in non-aqueous electrolyte is now proposed. Two-dimensional carbides and nitrides of transition metals, known as MXenes, are a fast-growing family of materials that have attracted attention as energy storage materials. MXenes are mainly prepared from Al-containing MAX phases (where A = Al) by Al dissolution in F-containing solution; most other MAX phases have not been explored. Here a redox-controlled A-site etching of MAX phases in Lewis acidic melts is proposed and validated by the synthesis of various MXenes from unconventional MAX-phase precursors with A elements Si, Zn and Ga. A negative electrode of Ti3C2 MXene material obtained through this molten salt synthesis method delivers a Li+ storage capacity of up to 738 C g(-1) (205 mAh g(-1)) with high charge-discharge rate and a pseudocapacitive-like electrochemical signature in 1 M LiPF6 carbonate-based electrolyte. MXenes prepared via this molten salt synthesis route may prove suitable for use as high-rate negative-electrode materials for electrochemical energy storage applications.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Till lärosätets databas
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Li, Youbing
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Shao, Hui
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Lin, Zifeng
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Lu, Jun
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Liu, Liyuan
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Duployer, Benjam ...
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visa fler...
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Persson, Per O A
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Eklund, Per
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Hultman, Lars
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Li, Mian
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Chen, Ke
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Zha, Xian-Hu
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Du, Shiyu
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Rozier, Patrick
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Chai, Zhifang
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Raymundo-Pinero, ...
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Taberna, Pierre- ...
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Simon, Patrice
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Huang, Qing
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visa färre...
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