Carbon- and Graphene-Based Composites for Energy Storage
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Carbon Materials".
Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 3597
Special Issue Editors
Interests: porous carbons; porous carbons; electrochemical energy storage; supercapacitors; Li-S batteries; hybrid capacitors
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Special Issue Information
Adam Moyseowicz, Krzysztof Pająk, Grażyna Gryglewicz
Department of Polymer and Carbonaceous Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Gdańska 7/9, 50-344 Wrocław, Poland
A facile and environmentally friendly approach for the synthesis of polypyrrole/reduced graphene oxide hybrids via hydrothermal treatment is proposed. A series of hybrid materials with different components mass ratio of conductive polymer to graphene oxide was prepared. Morphology, chemical composition and porous structure of the synthesized materials were determined. The synthesized hybrids were investigated as electrode materials for supercapacitors. Their electrochemical performance was studied in a three-electrode system operating in 1M H2SO4. Nitrogen sorption analysis at 77K revealed significant changes in the textural development of the hybrid materials, presenting specific surface areas from 24 to 199 m2/g. Moreover, the combination of the pseudocapacitive polypyrrole and robust carbon nanomaterial (rGO) resulted in the hybrids with excellent electrochemical properties, which achieve specific capacitances as high as 198 F/g at a current density of 20 A/g and maintain up to 92 % of the initial capacitance after 3000 charge-discharge cycles.
Keywords
- new carbon composites
- graphene composites
- electrochemical energy storage
- rechargeable battery
- supercapacitor
- redox flow battery
- flexible energy storage systems
- metal air battery
- aqueous battery
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