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Magnetic reduced graphene oxide/MXene/cobalt ferrite nanocomposite for high-energy-density supercapacitors with excellent cycling stability
Indexado
Scopus SCOPUS_ID:105004417647
DOI 10.1016/J.EST.2025.116925
Año 2025
Tipo

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Developing high-performance supercapacitor electrodes with superior charge storage capacity, long-term stability, and high energy density is crucial for next-generation energy storage applications. In this study, a novel hybrid electrode material comprising reduced graphene oxide (RGO), Ti3C2 MXene, and cobalt ferrite (CoFe2O4) nanoparticles was synthesized and evaluated for its electrochemical performance. The structural and morphological characterizations confirmed the successful integration of CoFe2O4 onto Ti3C2, while RGO provided an enhanced conductivity and stability. Electrochemical investigations in a three-electrode system revealed a high specific capacitance of 1260 F g−1 at 1 A g−1 for the RGO/Ti3C2/CoFe2O4 electrode, with an outstanding cyclic stability, retaining 89 % of its capacitance after 10,000 cycles. The superior super-capacitive performance was attributed to the synergistic interaction between RGO, Ti3C2, and CoFe2O4, which facilitated an improved charge transport and ion diffusion. A two-electrode asymmetric supercapacitor (RGO/Ti3C2/CoFe2O4/RGO) was fabricated, demonstrating a specific capacitance of 200 F g−1 at 1 A g−1 and maintaining 83 % capacitance retention after 10,000 cycles. The device achieved a maximum energy density of 80.36 W h kg−1 at a power density of 850 W kg−1, confirming its high energy storage capability. Moreover, the practical applicability of the device was validated by successfully powering an LED. Additionally, since the developed electrode materials exhibit magnetic characteristics, they hold potential for magnetic field-assisted energy storage applications. The excellent electrochemical properties, combined with structural stability and multifunctionality, highlight the RGO/Ti3C2/CoFe2O4 composite as a promising candidate for advanced supercapacitor systems, paving the way for efficient, scalable, and sustainable energy storage technologies.

Revista



Revista ISSN
Journal Of Energy Storage 2352-152X

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Disciplinas de Investigación



WOS
Energy & Fuels
Scopus
Sin Disciplinas
SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Kavinkumar, T. - Karpagam Academy of Higher Education - India
2 Ayyaru, Sivasankaran - Saveetha School of Engineering - India
Yeungnam University - Corea del Sur
3 Alagarasan, Jagadeesh Kumar - Manipal University Jaipur - India
4 Ramaswamy, Priyanka - North Carolina A&T College of Engineering - Estados Unidos
5 Rosenkranz, Andreas - Universidad de Chile - Chile
6 Wang, Bo - Ningbo Institute of Industrial Technology, Chinese Academy of Sciences - China
7 Yu, Jinhong - Ningbo Institute of Industrial Technology, Chinese Academy of Sciences - China
8 Sandoval-Hevia, Gabriela - Universidad Tecnológica Metropolitana - Chile
9 Hevia, Samuel A. - Pontificia Universidad Católica de Chile - Chile
10 Akbari-Fakhrabadi, Ali - Universidad de Chile - Chile
11 MANGALARAJA, RAMALINGA VISWANATHAN - Universidad Arturo Prat - Chile
12 Thirumurugan, Arun Hombre Universidad de Atacama - Chile

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Financiamiento



Fuente
Agencia Nacional de Investigación y Desarrollo

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Agradecimientos



Agradecimiento
This work was supported Agencia Nacional de Investigaci\u00F3n y Desarrollo de Chile (ANID) with a grant number SA 77210070 .

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