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Journal article
Maximizing ion dynamics and electrochemical performance of ionic liquid-acetonitrile electrolyte in Ti3C2Tx MXene
2d materials, v 10(1), 014014
03 Jan 2023
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Modification of the structure and morphology of MXene electrodes and the formulation of the electrolytes used in their supercapacitor configurations are significant factors affecting the performance of electrochemical devices. In this study, we investigated the electrochemical performance and ion dynamics of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, [EmimTFSI], ionic liquid in the presence of acetonitrile (ACN) at different concentrations in Ti3C2Tx MXene supercapacitor. We found an optimum concentration of ACN, at which more cations from the ionic liquid attach to the MXene electrode surface, providing higher electrochemical performance. This higher capacitance is also associated with increased microscopic dynamics of the cation away from the pore wall. These findings give a guideline to optimize the performance of MXene-based supercapacitors using organic solvents-ionic liquid-based electrolyte systems.
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Details
- Title
- Maximizing ion dynamics and electrochemical performance of ionic liquid-acetonitrile electrolyte in Ti3C2Tx MXene
- Creators
- Naresh Chandra OstiXiaobo LinWei ZhaoXuehang WangChaofan ChenYu GaoTakeshi ToritaAlexander KolesnikovPeter CummingsYury GogotsiEugene Mamontov
- Publication Details
- 2d materials, v 10(1), 014014
- Publisher
- IOP Publishing
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering; A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:000919240900001
- Scopus ID
- 2-s2.0-85145877968
- Other Identifier
- 991019425977604721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied