ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Electrochemical performance evaluation of MnSnO₃ supported on rGO: a hybrid material for supercapacitor

Irum Shahzadi, Waseem Abbas, Sarah A. Alsalhi, Hala M. Abo-Dief, Hussain Sawwan, Abhinav Kumar, and Rizwan Ul Hassan

Institute of Physics, Bahauddin Zakariya University, Multan, Pakistan

E-mail: irumshahzadi057@gmail.com

Received: 4 December 2025  Accepted: 16 February 2026

Abstract:

Perovskite oxide-based substances for pseudocapacitor electrodes are a promising solution and they can be combined with carbon material to fabricate hybrid capacitor. These electrodes can be easily generated via low-cost hydrothermal technologies. Here, same hydrothermal method is chosen to fabricate MnSnO₃/rGO nanocomposite. The MnSnO₃/rGO is tested for energy storage device to see how well this electrode performs for supercapacitors. Morphological examination of MnSnO₃/rGO confirmed a well dispersion of rGO on MnSnO₃ surface. Material's electrochemical behaviour is assessed on three-electrode setup using numerous techniques like cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic charge–discharge. The MnSnO₃/rGO nanohybrid showed outstanding performance with a specific capacitance 1367.1 F g⁻¹, power density 214 W kg⁻¹ and energy density 34.78 Wh kg⁻¹. MnSnO₃/rGO electrode showed remarkable cycle stability (10,000th) and a solution resistance (\(R_{s}\) = 0.74 Ω), indicating efficient and long-lasting electrochemical performance. Adding rGO in MnSnO₃ enhanced surface area, resulting in more active sites and faster ion transport among the electrode and electrolyte. These results demonstrate that MnSnO₃/rGO is promising finding for high-efficiency SCs device, offering an effective path for future-generation energy storage technologies.

Keywords: MnSnO3/rGO composite; Perovskite; Hydrothermal way; Electrolytes; Supercapacitors

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-026-04744-2

Chemical Papers 80 (6) 5997–6011 (2026)