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Start Over Author "Li, Guohao" Search Limiters Peer Reviewed Journal angewandte chemie international edition
3 results on '"Li, Guohao"'

1. Achieving High‐Performance 3D K + ‐Pre‐intercalated Ti 3 C 2 TxMXene for Potassium‐Ion Hybrid Capacitors via Regulating Electrolyte Solvation Structure

Author

Zhao, Shuoqing, primary, Liu, Zhichao, additional, Xie, Guanshun, additional, Guo, Xin, additional, Guo, Ziqi, additional, Song, Fei, additional, Li, Guohao, additional, Chen, Chi, additional, Xie, Xiuqiang, additional, Zhang, Nan, additional, Sun, Bing, additional, Guo, Shaojun, additional, and Wang, Guoxiu, additional

Published
2021
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2. Achieving High‐Performance 3D K+‐Pre‐intercalated Ti3C2Tx MXene for Potassium‐Ion Hybrid Capacitors via Regulating Electrolyte Solvation Structure.

Author

Zhao, Shuoqing, Liu, Zhichao, Xie, Guanshun, Guo, Xin, Guo, Ziqi, Song, Fei, Li, Guohao, Chen, Chi, Xie, Xiuqiang, Zhang, Nan, Sun, Bing, Guo, Shaojun, and Wang, Guoxiu

Subjects
SOLID electrolytes, ELECTROLYTES, ENERGY storage, CAPACITORS, SOLVATION, ACTIVATED carbon
Abstract

The development of high‐performance anode materials for potassium‐based energy storage devices with long‐term cyclability requires combined innovations from rational material design to electrolyte optimization. A three‐dimensional K+‐pre‐intercalated Ti3C2Tx MXene with enlarged interlayer distance was constructed for efficient electrochemical potassium‐ion storage. We found that the optimized solvation structure of the concentrated ether‐based electrolyte leads to the formation of a thin and inorganic‐rich solid electrolyte interphase (SEI) on the K+‐pre‐intercalated Ti3C2Tx electrode, which is beneficial for interfacial stability and reaction kinetics. As a proof of concept, 3D K+‐Ti3C2Tx//activated carbon (AC) potassium‐ion hybrid capacitors (PIHCs) were assembled, which exhibited promising electrochemical performances. These results highlight the significant roles of both rational structure design and electrolyte optimization for highly reactive MXene‐based anode materials in energy storage devices. [ABSTRACT FROM AUTHOR]

Published
2021
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3. Achieving High‐Performance 3D K+‐Pre‐intercalated Ti3C2Tx MXene for Potassium‐Ion Hybrid Capacitors via Regulating Electrolyte Solvation Structure.

Author

Zhao, Shuoqing, Liu, Zhichao, Xie, Guanshun, Guo, Xin, Guo, Ziqi, Song, Fei, Li, Guohao, Chen, Chi, Xie, Xiuqiang, Zhang, Nan, Sun, Bing, Guo, Shaojun, and Wang, Guoxiu

Abstract

The development of high‐performance anode materials for potassium‐based energy storage devices with long‐term cyclability requires combined innovations from rational material design to electrolyte optimization. A three‐dimensional K+‐pre‐intercalated Ti3C2Tx MXene with enlarged interlayer distance was constructed for efficient electrochemical potassium‐ion storage. We found that the optimized solvation structure of the concentrated ether‐based electrolyte leads to the formation of a thin and inorganic‐rich solid electrolyte interphase (SEI) on the K+‐pre‐intercalated Ti3C2Tx electrode, which is beneficial for interfacial stability and reaction kinetics. As a proof of concept, 3D K+‐Ti3C2Tx//activated carbon (AC) potassium‐ion hybrid capacitors (PIHCs) were assembled, which exhibited promising electrochemical performances. These results highlight the significant roles of both rational structure design and electrolyte optimization for highly reactive MXene‐based anode materials in energy storage devices. [ABSTRACT FROM AUTHOR]

Published
2021
Full Text
View/download PDF

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