Decoration of Hollow Mesoporous Carbon Spheres by NiCo2S4 Nanoparticles as Electrode Materials for Asymmetric Supercapacitors
Source abstract
Abstract
In this paper, seasame-ball-like core–shell hollow mesoporous carbon spheres decorated by NiCo2S4 nanoparticles (NiCo2S4/HMCSs) were prepared via a hydrothermal method. The obtained NiCo2S4/HMCSs could be used as the positive electrodes for asymmetric supercapacitors (ASCs), combining the outstanding electroconductivity of carbonic materials and high capacity of NiCo2S4 nanoparticles. The morphology and structure properties of the obtained NiCo2S4/HMCSs were characterized. The electrochemical properties of the as-obtained composites were characterized by an electrochemical workstation, showing an outstanding capacity of 1098.5 F g–1. Finally, ASCs were further fabricated by using the NiCo2S4/HMCSs as the cathode and hollow mesoporous carbon spheres (HMCSs) as the anode. Moreover, the assembled ASCs exhibited a good energy density of 35.1 Wh kg–1 at a moderate power density of about 203.5 W kg–1 and good cycle ability of ∼90% even after 3000 cycles.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced battery technologies research · Advancements in Battery Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou 310018, P. R. China
Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, P. R. China
Institute of Smart Fiber Materials, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
Department of Polymer Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China
Funding
Zhejiang Sci-Tech University · Collaborative Innovation Center for Modern Textile Technology of Zhejiang Province
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