期刊
NANO ENERGY
卷 60, 期 -, 页码 734-742出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2019.04.002
关键词
MXene; Electrochemical polymerization; Conjugated polymer; Composite film; Microsupercapacitors
类别
资金
- Swedish Energy Agency [EM 42033-1]
- Swedish Government Strategic Research Area in Material Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [200900971]
- Swedish Research Council [201704123]
- SSF Research Infrastructure Fellow program [RIF 14-0074]
- SSF Synergy program [EM16-0004]
- Knut and Alice Wallenberg (KAW) Foundation [KAW 2015.0043]
- National Natural Science Foundation of China [61774077]
- Open Fund of the State Key Laboratory of Luminescent Materials and Devices [2018-skllmd-12]
- Fundamental Research Funds for the Central Universities
Materials with tailored properties are crucial for high performance electronics applications. Hybrid materials composed of inorganic and organic components can possess unique merits for broad application by synergy between the advantages the respective material type offers. Here we demonstrate a novel electrochemical polymerization (EP) enabled by a 2D transition metal carbide MXene for obtaining conjugated polymer-MXene composite films deposited on conducting substrates without using traditional electrolytes, indispensable compounds for commonly electrochemical polymerization. The universality of the process provides a novel approach for EP allowing fast facile process for obtaining different new polymer/MXene composites with controlled thickness and micro-pattern. Furthermore, high performance microsupercapacitors and asymmetric microsupercapacitors are realized based on the excellent composites benefiting from higher areal capacitance, better rate capabilities and lower contact resistance than conventional electropolymerized polymers. The AMSCs exhibit a maximum areal capacitance of 69.5 mF cm(-2), an ultrahigh volumetric energy density (250.1 mWh cm(-3)) at 1.6 V, and excellent cycling stability up to 10000 cycles. The excellent electrochemical properties of the composite polymerized with MXene suggest a great potential of the method for various energy storage applications.
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