Journal article
Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors
ACS energy letters, v 3(9), pp 2094-2100
14 Sep 2018
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Two-dimensional transition-metal carbides (MXenes) have shown great promise as electrode materials for high-rate pseudocapacitive energy storage. In this study, we report on the fabrication of bistacked two-dimensional titanium carbide electrodes which are free of binder, conductive additives, and current-collector. This MXene electrode is capable of reversible electrochemical storage of sodium ions with good cycling stability and rate capability. A prototype hybrid Na-ion capacitor was assembled by combining the bistacked MXene anode with an activated carbon cathode, which showed an energy density of 39 Wh/kg (including the total weight of bistacked MXene and activated carbon, 6 mg/cm2) at 1C rate and maintained up to 60% of its performance at a 60C rate, in the operating voltage window of 3.4 V. This study opens new avenues for developing self-standing binder and additive-free MXene electrodes for metal-ion batteries and capacitors.
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Details
- Title
- Bistacked Titanium Carbide (MXene) Anodes for Hybrid Sodium-Ion Capacitors
- Creators
- Narendra Kurra - A. J. Drexel Nanomaterials Institute and Department of Materials Science and EngineeringMohamed Alhabeb - A. J. Drexel Nanomaterials Institute and Department of Materials Science and EngineeringKathleen Maleski - A. J. Drexel Nanomaterials Institute and Department of Materials Science and EngineeringChueh-Han Wang - A. J. Drexel Nanomaterials Institute and Department of Materials Science and EngineeringHusam N Alshareef - Materials Science and EngineeringYury Gogotsi - A. J. Drexel Nanomaterials Institute and Department of Materials Science and Engineering
- Publication Details
- ACS energy letters, v 3(9), pp 2094-2100
- Publisher
- American Chemical Society; Washington, DC
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000445052900011
- Scopus ID
- 2-s2.0-85052318745
- Other Identifier
- 991014969758504721
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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