Journal article
MXene-Bonded Activated Carbon as a Flexible Electrode for High-Performance Supercapacitors
ACS energy letters, v 3(7), pp 1597-1603
13 Jul 2018
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We report a strategy to employ two-dimensional Ti3C2T x MXene as a flexible, conductive, and electrochemically active binder for one-step fabrication of MXene-bonded activated carbon as a flexible electrode for supercapacitors in an organic electrolyte. In this electrode, the activated carbon particles are encapsulated between the MXene layers, eliminating the need for insulative polymer binders. MXene plays a multifunctional role in the electrode, including as a binder, a flexible backbone, a conductive additive, and an additional active material. The synergetic effect of MXene and activated carbon constructs a three-dimensional conductive network and enlarges the distance between the MXene layers, greatly enhancing the electrode capacitance and rate capability. As a result, the flexible MXene-bonded activated carbon electrode exhibits a high capacitance of 126 F g–1 at 0.1 A g–1 and a retention of 57.9% at 100 A g–1 in an organic electrolyte, which is required for developing high-performance, flexible supercapacitors.
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Details
- Title
- MXene-Bonded Activated Carbon as a Flexible Electrode for High-Performance Supercapacitors
- Creators
- Lanyong Yu - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for MaterialsLongfeng Hu - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for MaterialsBabak Anasori - Drexel UniversityYi-Tao Liu - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for MaterialsQizhen Zhu - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for MaterialsPeng Zhang - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for MaterialsYury Gogotsi - Jilin UniversityBin Xu - State Key Laboratory of Organic−Inorganic Composites, Beijing Key Laboratory of Electrochemical Process and Technology for Materials
- Publication Details
- ACS energy letters, v 3(7), pp 1597-1603
- Publisher
- American Chemical Society; Washington, DC
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000439083100021
- Scopus ID
- 2-s2.0-85048464249
- Other Identifier
- 991014969860704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Electrochemistry
- Energy & Fuels
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology