Enhancing supercapacitor energy density by TiN–ZnS composites unveiled as a promising electrode
Source abstract
Abstract
This work describes a low-cost wet chemical synthesis technique to produce TiN–ZnS nanocomposites suitable for high energy density supercapacitors. Ti, Zn, N, and S elements in the synthesized materials were verified using comprehensive morphological, structural, and surface chemical investigations. Due to improved electric conductivity and electroactivity, this TiN–ZnS nanocomposite electrode exhibited excellent capacitance and charge transport kinetics, outperforming individual TiN and ZnS electrodes in electrochemical performance. The TiN–ZnS || MnO2 electrode configuration in an asymmetric supercapacitor system exhibited a high energy density of 74.13 Wh kg−1 and an exceptional power density of 7648 W kg−1 at a current density of 9 A g−1. The TiN–ZnS electrode also showed a remarkable retention rate of 96.8% even after 10 000 cycles. This work highlights the potential of the TiN–ZnS composite as a high-performance electrode for supercapacitors.
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Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Advancements in Battery Materials · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Physics and Electronic Information, Yunnan Normal University 1 , 768 Juxian Street, Kunming 650500, Yunnan, China
Faculty of Material Science and Engineering, Kunming University of Science and Technology 2 , Kunming 650093, China
Department of Physics, Hazara University 3 , Mansehra 21300, Pakistan
Funding
Applied Basic Research Foundation of Yunnan Province
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