Vertically aligned ZnCo2O4 nanoplates on Ti3C2 for high-efficiency hybrid supercapacitors

Wang, Hao; Guo, Enyan; Hu, Chengge; Lu, Qifang; Wei, Mingzhi; Ma, Jingyun; Si, Conghui

doi:10.1039/d1nj05585b

Cited by 10 publications

(2 citation statements)

References 47 publications

(53 reference statements)

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“…This hybrid showed a higher capacitance compared to bare MoO 3 on CC, with a capacitance of 783.4 F g −1 at a 5 mV s −1 scan rate and 775 F g −1 at 1 A g −1 current density and a capacitance retention of 96.4% after 6000 cycles. Wang et al [ 225 ] designed and synthesized a novel nanosheet-on-nanosheet structure consisting of vertically aligned ZnCo 2 O 4 nanosheets (ZCO) deposited on layered Ti 3 C 2 nanosheets (d-TC) for supercapacitor applications. The robust nanosheets provide excellent structural stability, fast electron and ion transport, and a large electroactive surface area, resulting in a good electrochemical storage capacity of 196 C g −1 .…”

Section: Binary Mxene-based Supercapacitorsmentioning

confidence: 99%

Recent Advances and Strategies in MXene-Based Electrodes for Supercapacitors: Applications, Challenges and Future Prospects

Prabhakar Vattikuti,

Shim,

Rosaiah

et al. 2023

Nanomaterials

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With the growing demand for technologies to sustain high energy consumption, supercapacitors are gaining prominence as efficient energy storage solutions beyond conventional batteries. MXene-based electrodes have gained recognition as a promising material for supercapacitor applications because of their superior electrical conductivity, extensive surface area, and chemical stability. This review provides a comprehensive analysis of the recent progress and strategies in the development of MXene-based electrodes for supercapacitors. It covers various synthesis methods, characterization techniques, and performance parameters of these electrodes. The review also highlights the current challenges and limitations, including scalability and stability issues, and suggests potential solutions. The future outlooks and directions for further research in this field are also discussed, including the creation of new synthesis methods and the exploration of novel applications. The aim of the review is to offer a current and up-to-date understanding of the state-of-the-art in MXene-based electrodes for supercapacitors and to stimulate further research in the field.

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Section: Binary Mxene-based Supercapacitorsmentioning

confidence: 99%

Recent Advances and Strategies in MXene-Based Electrodes for Supercapacitors: Applications, Challenges and Future Prospects

Prabhakar Vattikuti,

Shim,

Rosaiah

et al. 2023

Nanomaterials

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“…Figure 15. Schematic diagram for the process of creating the ZnCo 2 O 4 /d-Ti 3 C 2 composite and illustrates the charge storage mechanism of the ZnCo 2 O 4 /d-Ti 3 C 2 ||AC hybrid supercapacitor.Reproduced with permission from[92].…”

mentioning

confidence: 99%

Recent Design and Synthesis Strategies for High-Performance Supercapacitors Utilizing ZnCo2O4-Based Electrode Materials

Aruchamy

Balasankar²,

Ramasundaram

et al. 2023

Energies

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ZnCo2O4 has emerged as a promising electrode material for supercapacitor applications due to its unique properties and potential for high-performance energy storage. As a transition metal oxide, ZnCo2O4 offers eco-friendly characteristics and favorable diffusion properties, making it an attractive candidate for sustainable energy storage systems. However, the poor conductivity and low surface area of ZnCo2O4 have posed challenges for its optimal utilization in supercapacitors. Various innovative approaches have been explored to overcome these limitations, including the development of ZnCo2O4 with different morphologies such as core-shell and porous structures. This review work aims to provide a comprehensive analysis of diverse synthesis methods employed in recent studies, including hydrothermal growth, solvothermal synthesis, wet chemical methods, and miscellaneous synthesis techniques, each offering unique advantages and influencing the properties of the synthesized materials. The synthesis conditions, such as precursor concentrations, temperature, annealing time, and the incorporation of dopants or additional materials, were found to play a crucial role in determining the electrochemical performance of ZnCo2O4-based supercapacitor electrodes. Core-shell heterostructures based on ZnCo2O4 exhibited versatility and tunability, with the choice of shell material significantly impacting the electrochemical performance. The incorporation of different materials in composite electrodes, as well as doping strategies, proved effective in enhancing specific capacitance, stability, surface area, and charge transfer characteristics. Controlled synthesis of ZnCo2O4 with diverse morphologies and porosity was crucial in improving mechanical strength, surface area, and ion diffusion capabilities. The findings provide valuable insights for the design and engineering of high-performance supercapacitor electrodes based on ZnCo2O4, and suggest exciting avenues for further exploration, including advanced characterization techniques, novel doping strategies, scale-up of synthesis methods, and integration into practical supercapacitor devices. Continued research and development in this field will contribute to the advancement of energy storage technologies and the realization of efficient and sustainable energy storage systems.

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Binder-free flexible Ti3C2Tx MXene/reduced graphene oxide/carbon nanotubes film as electrode for asymmetric supercapacitor

Luo,

Liu,

Zhang

et al. 2023

Chemical Engineering Journal

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Vertically aligned ZnCo₂O₄ nanoplates on Ti₃C₂ for high-efficiency hybrid supercapacitors

Abstract: Electrode materials marking higher structural stability, and electrochemical activity remain the priority in improving the electrochemical performance of supercapacitors (SCs). Herein we report the designed synthesis of novel nanoplate-on-nanosheet architecture...

Cited by 10 publications

References 47 publications

Recent Advances and Strategies in MXene-Based Electrodes for Supercapacitors: Applications, Challenges and Future Prospects

Recent Advances and Strategies in MXene-Based Electrodes for Supercapacitors: Applications, Challenges and Future Prospects

Recent Design and Synthesis Strategies for High-Performance Supercapacitors Utilizing ZnCo2O4-Based Electrode Materials

Binder-free flexible Ti3C2Tx MXene/reduced graphene oxide/carbon nanotubes film as electrode for asymmetric supercapacitor

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