Development of a Binder-Free Nanoworm NiOOH/NiO Electrode for Supercapacitors Through Anodic Electrodeposition: The Role of SDS Surfactant

Kazazi, Mahdi; Mirzaie, Reza; Ganji Ghelyji, Akram

doi:10.30501/acp.2026.598087.1207

Development of a Binder-Free Nanoworm NiOOH/NiO Electrode for Supercapacitors Through Anodic Electrodeposition: The Role of SDS Surfactant

Document Type : Original Research Article

Authors

Mahdi Kazazi ¹^{, 2}

Reza Mirzaie ³^{, 4}

Akram Ganji Ghelyji ³^{, 4}

¹ Associate Professor, Department of Materials Engineering, Faculty of Engineering, Malayer University, P.O. Box 65719-95863, Malayer, Iran.

² Associate Professor, Department of Nanotechnology and Nanomaterials, Faculty of Interdisciplinary Science and Technology, Malayer University, P.O. Box 65719-95863, Malayer, Iran.

³ MSc, Department of Materials Engineering, Faculty of Engineering, Malayer University, P.O. Box 65719-95863, Malayer, Iran.

⁴ MSc, Department of Nanotechnology and Nanomaterials, Faculty of Interdisciplinary Science and Technology, Malayer University, P.O. Box 65719-95863, Malayer, Iran.

10.30501/acp.2026.598087.1207

Abstract

The increasing demand for environmentally sustainable energy solutions has driven rapid advances in the development of high-performance supercapacitors. In this study, a nickel oxyhydroxide/nickel oxide (NiOOH/NiO) electrode was fabricated via an electrodeposition method in the presence of SDS surfactant onto a nickel foam substrate, followed by thermal treatment. Structural and morphological characterizations using XRD, FTIR, and FE-SEM confirmed the successful formation of a porous NiOOH structure, with NiO present as a secondary phase. Electrochemical analyses revealed excellent pseudocapacitive behavior, low internal resistance, and a high specific capacitance of 1021 F g−1 at 1 A g−1. Moreover, the ion diffusion coefficient, calculated from the Warburg line in EIS measurements, was determined to be 4.51 × 10−12 cm2 s−1, which is significantly higher than that of the electrode fabricated without SDS surfactant (2.24 × 10−12 cm2 s−1), indicating enhanced ion transport facilitated by its porous architecture. The fabricated electrode maintained most of its electrochemical storage capability during prolonged operation, with 91.7% of the initial capacitance remaining following 2,000 consecutive charge–discharge cycles. Such durable cycling performance indicates that the electrode could be a promising option for use in future high-performance supercapacitor devices.

Keywords

NiOOH

NiO

SDS Surfactant

Electrochemical Deposition

Supercapacitor

Subjects

Coatings

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