DataVXACS Applied Energy MaterialsPaper
journal article·2025-07-14

High Performance and Enhanced Stability of Mn–Co3V2O8 Coral-like Structure for Supercapacitor Applications

Sethuraman Venkatesan, Palanisamy Rajkumar, Govindaraju Radhika, Maalavika S Iyer, Ramadoss Manigandan, Dhilip Kumar Rajaiah, Radhakrishnan S, Sasikumar Raman, Senthilkumaran Marimuthu, Jinho Kim

ACS Applied Energy Materials· Volume 8· Issue 13
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Abstract

This study explores Mn-doped Co 3 V 2 O 8 as a promising electrode material for high-performance supercapacitors. Mn doping significantly enhances the electrochemical properties of Co 3 V 2 O 8, resulting in improved specific capacitance and cycling stability. Structural characterization reveals a coral-like morphology that increases the active sites and facilitates efficient charge transport and ion diffusion. Electrochemical tests show an impressive specific capacitance of 2352 F g –1 in 2 M KOH at 1 A g –1 . For the assembled MCV5//AC asymmetric supercapacitor device, it has a high capacitance retention of 87.6% and a high Coulombic efficiency of 96% over 5000 cycles. The developed asymmetric MCV5/AC supercapacitor device achieved an energy density of 45 Wh kg –1 and a power density of 750 W kg –1 . These findings establish Mn-doped Co 3 V 2 O 8 as a durable and efficient electrode material, offering valuable insights into the relationship between the morphology and electrochemical performance. This work provides a foundation for the development of advanced materials for sustainable energy storage applications.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Supercapacitor Materials and Fabrication · Transition Metal Oxide Nanomaterials · Polyoxometalates: Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Research and Development, New Energy Storage Technology, Lithium-Ion Division, Amara Raja Advanced Cell Technology, Nanakramguda, Hyderabad 500032, India

Department of Mechanical Engineering

Yeungnam University

Department of Physics

Rajalakshmi Institute of Technology

SSN Research Centre, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai 603110, Tamil Nadu, India

Department of Chemistry, Rajalakshmi Engineering College, Thandalam, Chennai 602 105, Tamil Nadu, India

Department of Civil and Environmental Engineering, University of Ulsan, Daehakro 93, Namgu, Ulsan 44610, South Korea

Department of Chemistry, School of Sciences and Humanities

SR University

Department of Physical Chemistry, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India

Polymer Science and Engineering Division

National Chemical Laboratory

Funding

Korea Medical Device Development Fund

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