Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Faculty Publications Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Babu, Chrisma Rose; Anila, E.I.; Avani, A.V.; Jose, Roshan; Xavier, T.S. Title A name given to the resource An investigation on the electrochemical performance of Mn3O4-based aqueous symmetric supercapacitor devices Date A point or period of time associated with an event in the lifecycle of the resource 01-01-2026 Source A related resource from which the described resource is derived RSC Advances;Volume;16;Issue;11;pp.9806-9816 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1039/d5ra08702c" target="_blank" rel="noreferrer noopener">https://doi.org/10.1039/d5ra08702c</a> <br /><br /><a href="https://www.scopus.com/pages/publications/105030659872?origin=resultslist" target="_blank" rel="noreferrer noopener">https://www.scopus.com/pages/publications/105030659872?origin=resultslist</a> Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Babu C.R., Optoelectronic and Nanomaterials' Research Laboratory, Department of Physics and Electronics, CHRIST University, Karnataka, Bengaluru, 560029, India, Cochin University of Science and Technology, Kerala, Ernakulam, 682022, India; Anila E.I., Optoelectronic and Nanomaterials' Research Laboratory, Department of Physics and Electronics, CHRIST University, Karnataka, Bengaluru, 560029, India; Avani A.V., Optoelectronic and Nanomaterials' Research Laboratory, Department of Physics and Electronics, CHRIST University, Karnataka, Bengaluru, 560029, India; Jose R., Department of Physics, Marian College Kuttikkanam Autonomous, Kerala, Idukki, 685531, India; Xavier T.S., Government College for Women, Kerala, Thiruvananthapuram, 695014, India Description An account of the resource Manganese (ii, iii) oxide (Mn3O4) is one of the promising materials in the realm of high-performance supercapacitors. The high theoretical specific capacitance, low cost, non-toxicity, environmental compatibility, and natural abundance made it significant in the research field. A low-temperature hydrothermal synthesis method was adopted to prepare Mn3O4 (hausmannite) nanoparticles with a tetragonal spinel structure. The as-prepared nanoparticles were assessed for the structural, elemental, electrical, optical and nitrogen adsorptiondesorption studies through XRD, FTIR, Raman spectroscopy, XPS, DC conductivity, UV-vis absorption and BET analyses. Morphological studies were done using FESEM and TEM and a mixture of nanorods and nanocubes were observed. The electrochemical performances of the as-prepared Mn3O4 nanoparticles were investigated by cyclic voltammetry (CV), galvanostatic charge/discharge (GCD) method and electrochemical impedance spectroscopy (EIS) in a three-electrode system. The present work reports the fabrication of a prototype aqueous symmetric supercapacitor device for the first time. The electrochemical studies were performed in 0.5 M Na2SO4 electrolyte on the separator with a potential window of 0 V to 1 V. A specific capacitance of 68 Fg?1 at a current density of 1 Ag?1 was observed from the constant charge/discharge method. It exhibited a cyclic stability of 72% with a coulombic efficiency of 100% after 1000 cycles. This underscores the noteworthy role of manganese oxide nanoparticles as electrode materials in supercapacitors. 2026 The Author(s). Published by the Royal Society of Chemistry Publisher An entity responsible for making the resource available Royal Society of Chemistry Relation A related resource ISSN: 20462069; CODEN: RSCAC Language A language of the resource English Type The nature or genre of the resource Article Rights Information about rights held in and over the resource All Open Access; Gold Open Access; Green Open Access Format The file format, physical medium, or dimensions of the resource online