Enhanced Electrochemical Performance of Binder-Free Fluorine-Vanadium-Doped CoMoO4 Nanosheets via In Situ MXene Integration for Energy Storage Applications
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F25%3A43932250" target="_blank" >RIV/60461373:22310/25:43932250 - isvavai.cz</a>
Result on the web
<a href="https://pubs.acs.org/doi/full/10.1021/acsaem.5c01660" target="_blank" >https://pubs.acs.org/doi/full/10.1021/acsaem.5c01660</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acsaem.5c01660" target="_blank" >10.1021/acsaem.5c01660</a>
Alternative languages
Result language
angličtina
Original language name
Enhanced Electrochemical Performance of Binder-Free Fluorine-Vanadium-Doped CoMoO4 Nanosheets via In Situ MXene Integration for Energy Storage Applications
Original language description
Designing an affordable device that seamlessly combines efficient electrochemical energy storage with straightforward, robust protocols represents a promising pathway for ushering in the next generation of green power solutions and fostering a sustainable society. In this work, CoMoO4, vanadium-doped CoMoO4 (V-CoMoO4), and fluorine-vanadium-doped CoMoO4 (F-V-CoMoO4) were synthesized in situ on nickel foam (NF) using a hydrothermal method, followed by thermal treatment, resulting in a hierarchical structure with interconnected nanosheets and open porous channels. V2C MXene was used as the vanadium source, which was fully oxidized during the synthesis. This unique architecture is particularly advantageous for supercapacitor applications, as it facilitates efficient electrolyte flow, promotes the formation of oxygen defects that enhance ion transport, and ultimately maximizes electrochemical performances. At a current density of 2.5 mA/cm2, the F-V-CoMoO4 electrode achieves an areal capacitance of approximately 2250 mF/cm2 (900 F/g at 1 A/g), outperforming pristine CoMoO4 (180 mF/cm2, 72 F/g) and V-doped CoMoO4 (810 mF/cm2, 324 F/g). An asymmetric supercapacitor is fabricated using an F-V-CoMoO4@NF//AC@NF device and PVA/KOH gel electrolyte, showing excellent redox behavior and cycling stability, with 100% capacity retention after 2000 cycles at a current density of 1 Ag-1. Moreover, the developed device exhibits a specific energy density of 11.5 Whkg-1 and a power density of 225 Wkg-1 at a current density of 0.3 A/g. These findings highlight the potential of F-V doping in enhancing the electrochemical properties of CoMoO4-based electrodes.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
ACS Applied Energy Materials
ISSN
2574-0962
e-ISSN
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Volume of the periodical
8
Issue of the periodical within the volume
15
Country of publishing house
US - UNITED STATES
Number of pages
11
Pages from-to
11513-11523
UT code for WoS article
001533459700001
EID of the result in the Scopus database
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