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A Bi-based artifici...
A Bi-based artificial interphase to achieve ultra-long cycling life of Al-metal anode in non-aqueous electrolyte
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Kumar, Sonal (author)
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- Rama, Prasad (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
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Lieu, Wei Ying (author)
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Zhang, Chang (author)
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Busayaporn, Wutthikrai (author)
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Chinnadurai, Deviprasath (author)
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Yang, Gaoliang (author)
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Xing, Zhenxiang (author)
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Li, Yuanjian (author)
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- Abbas, Zareen, 1962 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
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Liu, Wei (author)
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Seh, Zhi Wei (author)
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Energy Storage Materials. - 2405-8297. ; 65
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https://doi.org/10.1...
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Abstract
Subject headings
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- Rechargeable aluminum-ion batteries (RAB) with Al-metal anode are regarded as cost-effective and environmentally sustainable energy storage systems. However, tapping the high volumetric capacity of the Al-anode has been a challenge because of the spontaneous and irreversible formation of the oxide layer on its surface that renders it electrochemically inactive. Though recently reported AlCl3-based electrolytes overcome this problem by breaking down this oxide layer, their highly corrosive nature hampers commercialization. Here, we investigate a novel approach to protect the Al-anode from severe oxidation by engineering an artificial protective interphase. A unique and less corrosive combination of Al(CF3SO3)3 salt and BiCl3 additive reacts with the Al-anode intrinsically to form an inorganic-rich protective bilayer. This layer is electronically insulating and significantly reduces the charge transfer resistance and surface activation energy at the anode, enabling plating/stripping at extremely low overpotential of <0.1 V that can be sustained for record-long cycling times of >4000 h.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Al-ion batteries
- Anodic overpotential
- Multivalent batteries
- Solid electrolyte interface
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Kumar, Sonal
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Rama, Prasad
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Lieu, Wei Ying
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Zhang, Chang
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Busayaporn, Wutt ...
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Chinnadurai, Dev ...
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show more...
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Yang, Gaoliang
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Xing, Zhenxiang
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Li, Yuanjian
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Abbas, Zareen, 1 ...
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Liu, Wei
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Seh, Zhi Wei
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show less...
- 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 Materials Chemis ...
- Articles in the publication
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Energy Storage M ...
- By the university
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University of Gothenburg