Fabrication of Planar Porous MXene/Carbon Composite Electrodes by Simultaneous Am monization/Carbonization
Zhang Tian-Yu1; Cui Cong1,2; Cheng Ren-Fei1,2; Hu Min-Min1,2; Wang Xiao-Hui1
Corresponding AuthorZhang Tian-Yu(
AbstractAs a new class of two-dimensional transition metal carbon/nitride, MXenes have been proven to be a kind of pseudocapacitive supercapacitor electrode materials with excellent electrochemical property, and hold promise in practical use in the near future. In practical applications, it is required to make the electrode materials into planar porous electrodes for capacitor assembly. Herein, a simultaneous ammonization/carbonization method is proposed for the preparation of MXene planar porous electrode. Filter paper was used as a planar porous template, and MXene was coated on the fibers of the filter paper by means of dipping-drying, and then heat-treated in an ammonia atmosphere to obtain MXene/carbon planar porous composite electrodes. Analysis results show that the MXene nanosheets are uniformly coated on the carbonization-derived carbon fibers of the filter paper. When immersed 5 times, the areal capacitance reaches 403 mF/cm(2) at a scan rate of 2 mV/s. After the composite electrode was tested for 2500 times in a galvanostatic charge-discharge cycle at a current density of 10 mA/cm(2), the capacitance was almost the same as the initial capacitance, showing good rate performance and cycle stability. The MXene/carbon planar porous composite electrodes prepared by simultaneous ammonia/carbonization exhibit excellent electrochemical performance without using either polymer binder or metal current collector.
KeywordMXene supercapacitor preparation
Indexed BySCI
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000505199800018
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang Tian-Yu
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Zhang Tian-Yu,Cui Cong,Cheng Ren-Fei,et al. Fabrication of Planar Porous MXene/Carbon Composite Electrodes by Simultaneous Am monization/Carbonization[J]. JOURNAL OF INORGANIC MATERIALS,2020,35(1):112-118.
APA Zhang Tian-Yu,Cui Cong,Cheng Ren-Fei,Hu Min-Min,&Wang Xiao-Hui.(2020).Fabrication of Planar Porous MXene/Carbon Composite Electrodes by Simultaneous Am monization/Carbonization.JOURNAL OF INORGANIC MATERIALS,35(1),112-118.
MLA Zhang Tian-Yu,et al."Fabrication of Planar Porous MXene/Carbon Composite Electrodes by Simultaneous Am monization/Carbonization".JOURNAL OF INORGANIC MATERIALS 35.1(2020):112-118.
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