<i>In situ</i> construction of core–shell structured cobalt oxide@nickel–cobalt-layered double hydroxide nanorods with abundant oxygen vacancies towards boosting electrochemical energy storage

Cao, Xiao-Man; Liu, Di; Sun, Zhi-Jia; Zhang, Qingguo

doi:10.1039/d3qi02214e

Cited by 3 publications

(1 citation statement)

References 55 publications

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“…Electrode materials of the PC type are classified as conductive polymers, metal oxides, metal carbides, metal chalcogenides, metal sulfides, conducting MOFs, etc. [32][33][34][35][36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Recent Progress Using Graphene Oxide and Its Composites for Supercapacitor Applications: A Review

Sriram,

Arunpandian,

Dhanabalan

et al. 2024

Inorganics

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Supercapacitors are prospective energy storage devices for electronic devices due to their high power density, rapid charging and discharging, and extended cycle life. Materials with limited conductivity could have low charge-transfer ions, low rate capability, and low cycle stability, resulting in poor electrochemical performance. Enhancement of the device’s functionality can be achieved by controlling and designing the electrode materials. Graphene oxide (GO) has emerged as a promising material for the fabrication of supercapacitor devices on account of its remarkable physiochemical characteristics. The mechanical strength, surface area, and conductivity of GO are all quite excellent. These characteristics make it a promising material for use as electrodes, as they allow for the rapid storage and release of charges. To enhance the overall electrochemical performance, including conductivity, specific capacitance (Cs), cyclic stability, and capacitance retention, researchers concentrated their efforts on composite materials containing GO. Therefore, this review discusses the structural, morphological, and surface area characteristics of GO in composites with metal oxides, metal sulfides, metal chalcogenides, layered double hydroxides, metal–organic frameworks, and MXene for supercapacitor application. Furthermore, the organic and bacterial functionalization of GO is discussed. The electrochemical properties of GO and its composite structures are discussed according to the performance of three- and two-electrode systems. Finally, this review compares the performance of several composite types of GO to identify which is ideal. The development of these composite devices holds potential for use in energy storage applications. Because GO-modified materials embrace both electric double-layer capacitive and pseudocapacitive mechanisms, they often perform better than pristine by offering increased surface area, conductivity, and high rate capability. Additionally, the density functional theory (DFT) of GO-based electrode materials with geometrical structures and their characteristics for supercapacitors are addressed.

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Section: Introductionmentioning

confidence: 99%

Recent Progress Using Graphene Oxide and Its Composites for Supercapacitor Applications: A Review

Sriram,

Arunpandian,

Dhanabalan

et al. 2024

Inorganics

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Reinforced electrochemical energy storage through controlled construction of hierarchical hollow β-Ni(OH)2 microspheres enriched with oxygen vacancies induced by functionalized MWCNTs

Sun,

Chen,

Cao

et al. 2024

Applied Surface Science

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Progress in the Introduction of Oxygen Vacancies in LDH for Electrocatalysis and Supercapacitors

李

2024

JAPC

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In situ construction of core–shell structured cobalt oxide@nickel–cobalt-layered double hydroxide nanorods with abundant oxygen vacancies towards boosting electrochemical energy storage

Abstract: A facile in situ “growth–conversion–oxidation” strategy is employed to fabricate a core–shell structured CoO@Ov-NiCo LDH with abundant oxygen vacancies, which significantly improves the electrochemical performance.

Cited by 3 publications

References 55 publications

Recent Progress Using Graphene Oxide and Its Composites for Supercapacitor Applications: A Review

Recent Progress Using Graphene Oxide and Its Composites for Supercapacitor Applications: A Review

Reinforced electrochemical energy storage through controlled construction of hierarchical hollow β-Ni(OH)2 microspheres enriched with oxygen vacancies induced by functionalized MWCNTs

Progress in the Introduction of Oxygen Vacancies in LDH for Electrocatalysis and Supercapacitors

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