A review on the synthesis of CuCo2O4-based electrode materials and their applications in supercapacitors

Sun, Jiale; Xu, Chunju; Chen, Huiyu

doi:10.1016/j.jmat.2020.07.013

Cited by 207 publications

(44 citation statements)

References 113 publications

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“…Except for the above EDLC-and PC-based electrode materials, the third type of electrode materials (battery-type) that are based on some transition metal oxides (TMOs) and phosphides have been drawing increasing attention for their higher energy and power densities, faster charging ability, and more stable cycling performance. 11,12 The electrode material is the most crucial component of a capacitor device, and a lot of studies have been directed to the high-performance TMO-based electrode materials including NiO, 13,14 Fe 3 O 4 , 15 and Co 3 O 4 . 16 Among them, Co 3 O 4 has been extensively explored in recent decades because of its high theoretical capacitance (3560 F/g), superior chemical stability, and outstanding cycling durability up to 10 5 cycles.…”

Section: Introductionmentioning

confidence: 99%

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Sun

et al. 2020

ACS Appl. Energy Mater.

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Transition metal oxides (TMOs) can serve as advanced electrode materials and have attracted extensive attention in the past decade. Herein, porous FeCo 2 O 4 microspheres (FeCo 2 O 4 MSs) and FeCo 2 O 4 nanosheets (FeCo 2 O 4 NSs) have been successfully synthesized in different solvent systems, accompanied by a corresponding annealing treatment of precursors. The FeCo 2 O 4MSs and NSs possessed a mesoporous structure, and the BET surface areas reached 40.9 and 38.5 m 2 g −1 , respectively. The electrochemical studies were performed in a KOH aqueous electrolyte, and such FeCo 2 O 4 MSs delivered 231.5 C g −1 at 1 A g −1 and exhibited a good long-term cycling performance during 5000 cycles with 71.3% capacity retention. In contrast, the FeCo 2 O 4 NSs delivered a higher capacity of 339.0 C g −1 at 1 A g −1 and exhibited a better rate capability with 73% capacity retention at 13 A g −1 . Furthermore, the assembled FeCo 2 O 4 NSs//AC ASC could preserve 100.5% specific capacity after 5000 cycles and exhibited a high energy density of 37.1 W h kg −1 at 928.0 W kg −1 , while the FeCo 2 O 4 MSs//AC ASC possessed a relatively low energy density with 26.2 W h kg −1 at 965.5 W kg −1 . The outstanding electrochemical behavior of FeCo 2 O 4 NSs and MSs makes them promising electrode materials in electrochemical storage devices. Additionally, this current synthetic strategy possesses some advantages such as simple handling, low maintenance cost, and environmental friendliness; thus, it can be employed for synthesizing other TMOs with superior electrochemical properties.

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Section: Introductionmentioning

confidence: 99%

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Sun

et al. 2020

ACS Appl. Energy Mater.

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“…There are many methods adapted for the synthesize of CuCo 2 O 4 electrode materials with different structures. Some of the most used and effective techniques are solvothermal, electrodeposition, hydrothermal, electrospinning, and template-assisted methods [254].…”

Section: Cuco 2 O 4 -Based Electrode Materialsmentioning

confidence: 99%

“…This method is generally used for the preparation of two-dimensional nanosheet structures. These ultrathin nanosheets increase the SSA and electroactivity and also help the diffusion of electrolytes to reduce the ion diffusion distance [254].…”

Section: Cuco 2 O 4 -Based Electrode Materialsmentioning

confidence: 99%

Electrode Materials for Supercapacitors in Hybrid Electric Vehicles: Challenges and Current Progress

et al. 2022

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For hybrid electric vehicles, supercapacitors are an attractive technology which, when used in conjunction with the batteries as a hybrid system, could solve the shortcomings of the battery. Supercapacitors would allow hybrid electric vehicles to achieve high efficiency and better power control. Supercapacitors possess very good power density. Besides this, their charge-discharge cycling stability and comparatively reasonable cost make them an incredible energy-storing device. The manufacturing strategy and the major parts like electrodes, current collector, binder, separator, and electrolyte define the performance of a supercapacitor. Among these, electrode materials play an important role when it comes to the performance of supercapacitors. They resolve the charge storage in the device and thus decide the capacitance. Porous carbon, conductive polymers, metal hydroxide, and metal oxides, which are some of the usual materials used for the electrodes in the supercapacitors, have some limits when it comes to energy density and stability. Major research in supercapacitors has focused on the design of stable, highly efficient electrodes with low cost. In this review, the most recent electrode materials used in supercapacitors are discussed. The challenges, current progress, and future development of supercapacitors are discussed as well. This study clearly shows that the performance of supercapacitors has increased considerably over the years and this has made them a promising alternative in the energy sector.

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“…5,6 The electrodes of HSCs consist of the capacitor-type electrode associated with surface/near-surface capacitive behaviors (ion adsorption/ desorption and/or redox reaction) and the battery-type electrode related to massive Faradaic redox reactions. 7,8 The capacitor-type electrode (activated carbon, carbon nanotubes, carbon fiber, graphene, and so forth) can offer ultrahigh power density, quick charging and discharging capability, and good cyclic life, 9−12 while the battery-type electrode (Co 3 O 4 , NiCo 2 O 4 , Ni(OH) 2 , NiCo 2 S 4 , and so forth) can deliver excellent specific capacity and large energy density. 13−16 Thus, the selection and fabrication of appropriate anode and cathode materials are crucial to constructing high-property HSCs.…”

Section: Introductionmentioning

confidence: 99%

“…Due to global environmental contamination arising from the rapid consumption of unsustainable oil fuel, there is an instant requirement for environmentally benign, renewable, and efficient energy storage systems. Recently, supercapacitors have sparked great concerns in the area of energy storage on account of the ultrahigh power density, rapid charging/discharging capability, ultralong life span, as well as environmental friendliness. , However, the supercapacitors store energy based on the charge accumulation and/or quick redox reaction in the surface/near surface of electrode materials, which result in a lower energy density than secondary batteries, restricting its widespread application. , Therefore, hybrid supercapacitors (HSCs) as a novel energy storage device have emerged since they take the advantage of both exceptional power density of supercapacitors and great energy density of secondary batteries. , The electrodes of HSCs consist of the capacitor-type electrode associated with surface/near-surface capacitive behaviors (ion adsorption/desorption and/or redox reaction) and the battery-type electrode related to massive Faradaic redox reactions. , The capacitor-type electrode (activated carbon, carbon nanotubes, carbon fiber, graphene, and so forth) can offer ultrahigh power density, quick charging and discharging capability, and good cyclic life, − while the battery-type electrode (Co 3 O 4 , NiCo 2 O 4 , Ni(OH) 2 , NiCo 2 S 4 , and so forth) can deliver excellent specific capacity and large energy density. − Thus, the selection and fabrication of appropriate anode and cathode materials are crucial to constructing high-property HSCs.…”

Section: Introductionmentioning

confidence: 99%

Design and Fabrication of Advanced Cathode and Anode Materials for Hybrid Supercapacitors Based on Graphitic Carbon Quantum Dot-Decorated Reduced Graphene Oxide Composite Aerogels

Zhu

Yun

et al. 2021

ACS Appl. Energy Mater.

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A graphene aerogel-based composite has recently been deemed as a prospective electrode material for advanced energy storage devices. Here, carbon quantum dots (CQDs) are simultaneously utilized as the conductive agents, intercalators, and stable links to boost the electrochemical property of graphene composite aerogels due to their many natural advantages. The threedimensional (3D) N, S dual-doped CQDs/reduced graphene oxide (rGO)/ NiCo 2 S 4 composite aerogel (N,S-CQDs/rGO/NiCo 2 S 4 ) is first fabricated through a one-pot hydrothermal way and utilized as a supercapacitor cathode, exhibiting a large specific capacity of 162.6 mA h g −1 at 1 A g −1 , splendid rate property with 77.3% capacity retention at 50 A g −1 , and good cyclic stability with 87.5% capacity retention after 5000 cycles, which originates from the synergistic interaction of the 3D reticulation N,S-CQDs/rGO aerogel framework with excellent conductivity and structural stability and NiCo 2 S 4 nanoparticles with abundant Faradaic redox reactions. Further, the resulting N,S-CQDs/rGO/NiCo 2 S 4 cathode is coupled with the prepared N,S-CQDs/rGO anode to assemble a hybrid supercapacitor (HSC) device, manifesting a superior energy density (51.0 W h kg −1 ), an ultrahigh power density (14.4 kW kg −1 ), and good cyclic stability with 82.9% capacitance retention after 10,000 cycles. The present study offers a good strategy for designing and exploiting superior energy storage systems by utilizing the CQDs/rGO composite aerogel simultaneously as both the cathode and anode.

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A review on the synthesis of CuCo2O4-based electrode materials and their applications in supercapacitors

Cited by 207 publications

References 113 publications

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Electrode Materials for Supercapacitors in Hybrid Electric Vehicles: Challenges and Current Progress

Design and Fabrication of Advanced Cathode and Anode Materials for Hybrid Supercapacitors Based on Graphitic Carbon Quantum Dot-Decorated Reduced Graphene Oxide Composite Aerogels

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A review on the synthesis of CuCo2O4-based electrode materials and their applications in supercapacitors

Cited by 207 publications

References 113 publications

Simple Preparation of Porous FeCo2O4 Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Simple Preparation of Porous FeCo2O4 Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Electrode Materials for Supercapacitors in Hybrid Electric Vehicles: Challenges and Current Progress

Design and Fabrication of Advanced Cathode and Anode Materials for Hybrid Supercapacitors Based on Graphitic Carbon Quantum Dot-Decorated Reduced Graphene Oxide Composite Aerogels

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Product

Resources

About

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors

Simple Preparation of Porous FeCo₂O₄ Microspheres and Nanosheets for Advanced Asymmetric Supercapacitors