Ion irradiation/implantation induced defect engineering and modification in graphene derivatives-based nanocomposites: Energy storage/conversion and sensor

Kalia, Shiwani; Kumar, Rajesh; Dhiman, Rajnish; Singh, Rajesh Kumar

doi:10.1016/j.est.2024.110650

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2024.110650

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Ion irradiation/implantation induced defect engineering and modification in graphene derivatives-based nanocomposites: Energy storage/conversion and sensor

Shiwani Kalia,

Rajesh Kumar,

Rajnish Dhiman

et al.

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2024

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Cited by 19 publications

References 284 publications

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Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors

Chen,

Lv,

et al. 2024

Adv Eng Mater

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Vanadium oxides are widely used for microsupercapacitors (MSCs) due to their multiple‐valence and high theoretical capacitance. A conceptually new approach of electric discharge machining (EDM) with computer‐aided control is developed to one‐step fabricate Mo‐doped VO0.2‐based electrodes and devices with designable geometry. The results demonstrate that the Mo@VO0.2 integrated interdigital MSCs (IIMSCs) with the narrowest electrode distance of 300 μm show the best capacitive performance, which is furtherly manifested by the electric field simulation. Moreover, this work concentrates on expounding the relationships between the EDM machining current, surface morphology of Mo@VO0.2, and the capacitive behavior of Mo@VO0.2 IIMSCs. Compared to the machining current of 2 and 3 A, the machining current of 1 A facilitates synthesizing smaller Mo@VO0.2 particles with more porosity and higher surface area and thus achieving a larger capacitance value for Mo@VO0.2 IIMSCs device, which is achieving 32 mF cm−2 at 1 mV s−1, working well up to an ultrahigh scan rate of 30 V s−1, and obtaining a good cyclic stability of 88.61% after 5000 cycles. Moreover, this innovative EDM approach opens a new avenue for one‐step synthesis of various ceramic metal oxides for various microdevices such as microbatteries and microsensors.

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Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors

Chen,

Lv,

et al. 2024

Adv Eng Mater

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Advancements in Graphite Anodes for Lithium‐Ion and Sodium‐Ion Batteries: A Review

Xiong,

Qi,

Zhang

2024

Electroanalysis

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Amidst the escalating global energy demand and the rapid advancement of renewable energy technologies, battery technology plays an indispensable role in energy storage. As a crucial anode material, Graphite enhances performance with significant economic and environmental benefits. This review provides an overview of recent advancements in the modification techniques for graphite materials utilized in lithium‐ion and sodium‐ion batteries. This review initially presents various modification approaches for graphite materials in lithium‐ion batteries, such as electrolyte modification, interfacial engineering, purification and morphological modification, composite modification, surface modification, and structural modification, while also addressing the applications and challenges of graphite anode materials

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Synthesis of integrated reduced graphene oxide‐polyaniline nanocomposite for enhanced supercapacitor performance

Salamon,

Simi,

Joy Prabu

et al. 2024

Polymer Composites

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The urgent need for sustainable energy storage solutions has spurred research on high‐performance and cost‐effective energy storage technologies. Supercapacitors (SCs) show great potential due to their capacity to provide significant capacitance, energy and power density. This study focused on the enhancement of electrically conductive reduced Graphene Oxide (rGO) reinforced with polyaniline (PANI) composites to fabricate the supercapacitors. Various characterization techniques, including SEM, EDAX, Raman spectroscopy, FTIR, PXRD, TGA, BET, and CV were employed for the examination of the materials. The findings demonstrate that the rGO/PANI composite displayed nanostructured layers characterized by flaky leaf‐like structures, a trigonal crystal system, and a notable specific capacitance of 410 Fg−1, along with capacitance retention rate of 85 after completion of 1000 cycles. This composite showcases outstanding electrochemical performance leads to the promising material to use in SCs manufacturing.Highlights Electrode showed pseudocapacitive behavior, capacitance of 392 F/g. PXRD pattern confirmed presence of benzenoid and quinonoid groups. BET analysis showed surface area of 16.850 m2/g, porous nature indicated. Electrode displayed good reversibility, with a‐b value of 0.6.

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Ion irradiation/implantation induced defect engineering and modification in graphene derivatives-based nanocomposites: Energy storage/conversion and sensor

Cited by 19 publications

References 284 publications

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors

Advancements in Graphite Anodes for Lithium‐Ion and Sodium‐Ion Batteries: A Review

Synthesis of integrated reduced graphene oxide‐polyaniline nanocomposite for enhanced supercapacitor performance

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Resources

About

Ion irradiation/implantation induced defect engineering and modification in graphene derivatives-based nanocomposites: Energy storage/conversion and sensor

Cited by 19 publications

References 284 publications

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO0.2 Integrated Microsupercapacitors

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO0.2 Integrated Microsupercapacitors

Advancements in Graphite Anodes for Lithium‐Ion and Sodium‐Ion Batteries: A Review

Synthesis of integrated reduced graphene oxide‐polyaniline nanocomposite for enhanced supercapacitor performance

Contact Info

Product

Resources

About

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors

Unraveling the Effect of Electric Discharge Machining Current on the Fabrication of 3D Mo‐Doped VO_0.2 Integrated Microsupercapacitors