Previous Article in Journal
HVC-NSGA-III with Thermal–Electrochemical Degradation Coupling for Four-Objective Day-Ahead BESS Dispatch and SOH-Adaptive Knee-Point Selection
Previous Article in Special Issue
Correction: Zeng et al. Sustainable Synthesis of a Carbon-Supported Magnetite Nanocomposite Anode Material for Lithium-Ion Batteries. Batteries 2024, 10, 357
 
 
Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
Journals
Batteries
Volume 12
Issue 4
10.3390/batteries12040141
batteries-logo
Submit to this Journal Review for this Journal Propose a Special Issue
► Article Menu

Article Menu

share Share announcement Help format_quote Cite question_answer Discuss in SciProfiles
first_page
settings
Order Article Reprints
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

MOF-Derived Fe2O3@Fe3O4-Coated Carbon Fiber Fabric as a Negative Electrode for Flexible Supercapacitors

by
Andrés González-Banciella
1,*,
David Martinez-Diaz
1,
Joaquín Artigas-Arnaudas
1,
Bianca K. Muñoz
1,
María Sánchez
1,2,* and
Alejandro Ureña
1,2
1
Research Group on Nano and Multifunctional Composites for Advanced Technologies (AdvNanoComp), Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, C/Tulipán s/n, 28933 Móstoles, Spain
2
Instituto de Investigación de Tecnologías para la Sostenibilidad, Universidad Rey Juan Carlos, C/Tulipán s/n, 28933 Móstoles, Spain
*
Authors to whom correspondence should be addressed.
Batteries 2026, 12(4), 141; https://doi.org/10.3390/batteries12040141
Submission received: 20 March 2026 / Revised: 10 April 2026 / Accepted: 14 April 2026 / Published: 15 April 2026
(This article belongs to the Special Issue Advanced Carbon-Based Materials for Next-Generation Batteries and Supercapacitors—2nd Edition)
Browse Figure
Versions Notes

Abstract

Owing to the increasing demand for wearable electronics, flexible energy storage devices, such as supercapacitors, have gained interest in the electronic industry. In this context, asymmetric configurations have emerged as a promising strategy for the development of wider potential window supercapacitors. On the other hand, MOF-derived synthesis of transition metal oxides is known to result in porous materials, which exhibit better electrochemical performance. In this work, a MOF-derived Fe2O3 coating on carbon fiber woven substrate is proposed as a negative supercapacitor electrode for asymmetric flexible devices. Moreover, the MOF calcination time was evaluated in order to ensure the best electrochemical performance possible, achieving for the sample calcined for 2 h a specific capacitance of 18.8 F/g at a current density of 200 mA/g and an excellent rate capability. In addition, not only was this promising material obtained, but an asymmetric flexible supercapacitor based on two MOF-derived TMO coatings on carbon fiber woven electrodes was manufactured and characterized as a proof of concept. This supercapacitor displayed a specific capacitance of 229 mF/cm2, an energy density of 0.067 mWh/cm2 and a power density of 0.11 mW/cm2 at 0.15 mA/cm2. Moreover, the flexible supercapacitor retained 94.1% of its capacitance even after being bent to 90°.
Keywords: metal–organic frameworks; α-Fe2O3; Fe3O4; carbon fiber; supercapacitors metal–organic frameworks; α-Fe2O3; Fe3O4; carbon fiber; supercapacitors
Graphical Abstract

Share and Cite

MDPI and ACS Style

González-Banciella, A.; Martinez-Diaz, D.; Artigas-Arnaudas, J.; Muñoz, B.K.; Sánchez, M.; Ureña, A. MOF-Derived Fe2O3@Fe3O4-Coated Carbon Fiber Fabric as a Negative Electrode for Flexible Supercapacitors. Batteries 2026, 12, 141. https://doi.org/10.3390/batteries12040141

AMA Style

González-Banciella A, Martinez-Diaz D, Artigas-Arnaudas J, Muñoz BK, Sánchez M, Ureña A. MOF-Derived Fe2O3@Fe3O4-Coated Carbon Fiber Fabric as a Negative Electrode for Flexible Supercapacitors. Batteries. 2026; 12(4):141. https://doi.org/10.3390/batteries12040141

Chicago/Turabian Style

González-Banciella, Andrés, David Martinez-Diaz, Joaquín Artigas-Arnaudas, Bianca K. Muñoz, María Sánchez, and Alejandro Ureña. 2026. "MOF-Derived Fe2O3@Fe3O4-Coated Carbon Fiber Fabric as a Negative Electrode for Flexible Supercapacitors" Batteries 12, no. 4: 141. https://doi.org/10.3390/batteries12040141

APA Style

González-Banciella, A., Martinez-Diaz, D., Artigas-Arnaudas, J., Muñoz, B. K., Sánchez, M., & Ureña, A. (2026). MOF-Derived Fe2O3@Fe3O4-Coated Carbon Fiber Fabric as a Negative Electrode for Flexible Supercapacitors. Batteries, 12(4), 141. https://doi.org/10.3390/batteries12040141

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop