Journal
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
Volume 167, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2022.110716
Keywords
Porous carbon; Graphene; Controlled; Degree of graphitization; Electrode material
Funding
- Natural Science Foundation of Liaoning Province [2019-BS-018, 20180550933]
- Sci-ence and Technology Research Project of the Education Department of Liaoning Province [J2020094, J2020112]
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The fabrication of sulfide/graphene composites is an important strategy to enhance supercapacitor performance. However, synthesizing three-dimensional sulfide/graphene nanostructures with special morphologies and structures remains a challenge. This study successfully developed a simple method for fabricating three-dimensional NiS2/graphene nanostructures, which exhibited excellent electrochemical behavior.
The fabrication of sulfide/graphene composites is an important strategy to improve the performance of supercapacitors. It is still a challenge to synthesize three-dimensional sulfide/graphene nanostructures with special morphologies and structures because it is difficult to realize the effective arrangement of graphene. In this work, a simple method has been successfully developed for the fabrication of three-dimensional NiS2/graphene nanostructures. The rod-like morphology of the precursors is preserved during the carbonization and sulfurization process. The carbonization temperature can affect the size of NiS2 nanoparticles formed in the nanostructures. The as-obtained materials can serve as electrode materials in supercapacitors and present excellent electrochemical behavior due to their good electrical conductivity and unique structures.
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