Yichun Su, Lingling Chen, Yihao Chen, Wenhao Feng, Yiluo Tian, Huan Pang
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Low-Temperature Activation of MOF-74 Composite-Derived Materials for Supercapacitors
Graphene-like materials are currently showing great potential in different fields, especially in energy storage. We synthesized N-GLC/MOF-74 composites by combining nitrogen-doped graphene-like carbon (N-GLC) with MOF-74. Three porous N-GLC/metal oxide complexes (A-1, A-2, and A-3) were successfully synthesized by calcining the synthesized composites at different temperatures (300°C, 400°C, and 500°C) under air atmosphere. The conversion of the MOF into metal oxides under high-temperature conditions and the oxidation of N-GLC into porous structures was revealed by characterization. The coulombic efficiency of A-1 reached 97.7% after 3500 long cycles at 5 A g−1, indicating an improvement in the stability of the material. The results of this work support the potential use of graphene-like derivatives in energy storage applications.
期刊介绍：
The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications.
Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field.
A journal of The Minerals, Metals & Materials Society.
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