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All Journal Journal of Multidisciplinary Applied Natural Science
Azmi, Khusnul Ulul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics

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Hierarchical NiO/TiO2-Biomass-Derived Porous Carbon Composite with Improved Electrochemical Kinetics for Energy Storage Applications Nurdin, Muhammad; Maulidiyah, Maulidiyah; Watoni, Abdul Haris; Zakir, Muhammad; Muliadi, Muliadi; Muzakkar, Muhammad Zakir; Azmi, Khusnul Ulul; Edihar, Muh; Zulfan, Ahmad
Journal of Multidisciplinary Applied Natural Science Articles in Press
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.371

Abstract

The development of high-performance and sustainable anode materials remains a crucial challenge for next-generation energy storage systems. In this study, NiO/TiO₂–biomass-derived porous carbon (BPC) composites were successfully synthesized using palm kernel shell-derived porous carbon as a conductive matrix. Structural and morphological characterizations confirmed the homogeneous distribution of NiO and TiO₂ crystals within the porous carbon framework. The FTIR and XRD analyses verified the presence of metal-oxygen bonds and high phase purity, while SEM revealed a well-developed porous structure. Electrochemical evaluations were performed in KOH solution using a three-electrode configuration. The optimized NiO-TiO2/BPC (1:2) electrode delivered a specific capacity of 7.76 mAh g⁻¹ at 10 mV s⁻¹ and sustained 3.59 mAh g⁻¹ at 80 mV s⁻¹, demonstrating favorable rate capability. Galvanostatic charge-discharge measurements further confirmed the improved performance, reaching 8.75 mAh g⁻¹ at 3 A g⁻¹. This enhanced electrochemical behavior is attributed to the synergistic integration of conductive porous carbon with electroactive NiO and TiO₂ phases. These findings indicate that the NiO-TiO₂/BPC composite functions as a hybrid alkaline electrode material and has potential for safe and sustainable aquatic energy storage devices.
Co-Authors Abdul Haris Watoni Ahmad Zulfan, Ahmad Maulidiyah Maulidiyah Muh. Edihar Muhammad Nurdin Muhammad Zakir Muliadi Muzakkar, Muhammad Zakir