Mango Kernel-Derived Porous Carbon Confines Nano-NiO as an Efficient Bifunctional Electrode for Supercapacitors

Authors

  • Bing Wang Guangxi Key Laboratory of Urban Water Environment, College of Chemistry and Environmental Engineering, Baise University, Baise 533000, China; School of Environment and Resources, Taiyuan University of Science and Technology, 66 Wa-liu Road, Taiyuan,030024, Shanxi, China
  • Suping Li Guangxi Key Laboratory of Urban Water Environment, College of Chemistry and Environmental Engineering, Baise University, Baise 533000, China
  • Liansheng Cui Guangxi Key Laboratory of Urban Water Environment, College of Chemistry and Environmental Engineering, Baise University, Baise 533000, China
  • Shuai Wang School of Environment and Resources, Taiyuan University of Science and Technology, 66 Wa-liu Road, Taiyuan,030024, Shanxi, China
  • Xuan Zhang School of Environment and Resources, Taiyuan University of Science and Technology, 66 Wa-liu Road, Taiyuan,030024, Shanxi, China
  • Yonggang Li Guangxi Key Laboratory of Urban Water Environment, College of Chemistry and Environmental Engineering, Baise University, Baise 533000, China
  • Ziao Zong Modern Industrial College of Biomedicine and Great Health, Youjiang Medical University for Nationalities, Baise533000, China

Keywords:

Ultracapacitor, Raw materials, Hydrothermal, Nickel oxide, Capacitor performance

Abstract

In order to develop high-performance supercapacitor electrode materials, a two-step method of hydrothermal in-situ synthesis and high-temperature activated pore creation was used to realize the highly dispersed loading of nickel oxide nanoparticles (NiO) on mango kernel-based activated carbon (AC) with a high specific surface area for the preparation of NiO/AC composites. Electrochemical tests showed that the NiO/AC achieved a specific capacitance of 226.5 F g-1 at a current density of 0.2 A g-1, demonstrating excellent multiplicative performance and cycling stability (95.8% capacitance retention after 10,000 charge/discharge cycles). This performance stems from the stabilized multilayered pore structure that reduces the particle size of NiO and builds fast ion/electron transport channels to realize the dual advantages of double layer capacitance and pseudocapacitance. The present synthesis strategy is universal (compatible with multifunctional porous carbon precursors and metal oxides) and can provide new ideas for the design of high-performance supercapacitor electrodes.

Downloads

Published

2025-11-01

How to Cite

Wang, B., Li, S., Cui, L., Wang, S., Zhang, X., Li, Y., & Zong, Z. (2025). Mango Kernel-Derived Porous Carbon Confines Nano-NiO as an Efficient Bifunctional Electrode for Supercapacitors. BioResources, 20(4), 11056–11065. Retrieved from https://ojs.bioresources.com/index.php/BRJ/article/view/24920

Issue

Vol. 20 No. 4 (2025)

Section

Research Article or Brief Communication