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Thick Electrodes of...
Thick Electrodes of a Self-Assembled MXene Hydrogel Composite for High-Rate Energy Storage
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- Qin, Leiqiang (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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- Jiang, Jianxia (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Jiangxi Sci & Technol Normal Univ, Peoples R China
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- Hou, Lintao (författare)
- Jinan Univ, Peoples R China
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- Zhang, Fengling (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Rosén, Johanna (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Energy & Environmental Materials. - : WILEY. - 2575-0356.
- Relaterad länk:
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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
- Supercapacitors based on two-dimensional MXene (Ti3C2Tz) have shown extraordinary performance in ultrathin electrodes with low mass loading, but usually there is a significant reduction in high-rate performance as the thickness increases, caused by increasing ion diffusion limitation. Further limitations include restacking of the nanosheets, which makes it challenging to realize the full potential of these electrode materials. Herein, we demonstrate the design of a vertically aligned MXene hydrogel composite, achieved by thermal-assisted self-assembled gelation, for high-rate energy storage. The highly interconnected MXene network in the hydrogel architecture provides very good electron transport properties, and its vertical ion channel structure facilitates rapid ion transport. The resulting hydrogel electrode show excellent performance in both aqueous and organic electrolytes with respect to high capacitance, stability, and high-rate capability for up to 300 mu m thick electrodes, which represents a significant step toward practical applications.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- energy storage; high-rate; hydrogel; MXene; self-assemble
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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