In-situ synthesized and induced vertical growth of cobalt vanadium layered double hydroxide on few-layered V2CTx MXene for high energy density supercapacitors

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 661, С. 460 - 471

Опубликована: Фев. 1, 2024

Язык: Английский

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Recent Development on Transition Metal Oxides‐Based Core–Shell Structures for Boosted Energy Density Supercapacitors

Small, Год журнала: 2024, Номер 20(31)

Опубликована: Апрель 9, 2024

Abstract In recent years, nanomaterials exploration and synthesis have played a crucial role in advancing energy storage research, particularly supercapacitor development. Researchers diversified materials, including metal oxides, chalcogenides, composites, as well carbon to enhance power density. Balancing density with electrochemical stability remains challenging, driving intensified efforts electrode materials. This review focuses on progress designing synthesizing core–shell materials tailored for supercapacitors. The architecture offers advantages such increased surface area, redox active sites, electrical conductivity, ion diffusion kinetics, specific capacitance, cyclability. explores the impact of core shell specifically transition oxides (TMOs), behavior. Metal oxide choices, cobalt preferred manganese shell, are discussed. also highlights characterization techniques assessing structural, morphological, properties Overall, it provides comprehensive overview ongoing TMOs‐based material research supercapacitors, showcasing their potential applications ranging from gadgets electric vehicles. outlines existing challenges future opportunities evolving advancements, holding promise high‐efficiency devices.

Язык: Английский

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Polypyrrole embedded in nickel-cobalt sulfide nanosheets grown on nickel particles passivated silicon nanowire arrays for high-performance supercapacitors

Chemical Engineering Journal, Год журнала: 2023, Номер 461, С. 141745 - 141745

Опубликована: Фев. 6, 2023

Язык: Английский

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Design and Fabrication of Island‐Like CoNi₂S₄@NiCo‐LDH/Biomass Carbon Heterostructure as Advanced Electrodes for High‐Performance Hybrid Supercapacitors

Advanced Energy Materials, Год журнала: 2024, Номер 14(32)

Опубликована: Июнь 3, 2024

Abstract The utilization of heterostructured electrodes offers an effective approach to boost the energy density supercapacitors without sacrificing their power density. However, adoption such materials is frequently impeded by sluggish reaction kinetics. Herein, island‐like CoNi 2 S 4 @NiCo‐layered double hydroxide/biomass carbon (CoNi @NiCo‐LDH/BC) heterostructure synthesized embedding in interlayer NiCo‐LDH nanosheets on BC through a partial situ sulfidation process. Theoretical and experimental analyses indicate that this unique structural configuration lowers transport barriers enhances ion adsorption capacity, leading significant improvement ion/electron In addition, embedded design effectively alleviates volume expansion during charge–discharge process, while robust framework prevents electrode degradation, thereby enhancing stability. These advantages enable developed material achieve high specific capacity (1655.75 C g −1 at 1 A ) extended cycle life (86.82% retention after 10 000 cycles). Significantly, assembled hybrid supercapacitor @NiCo‐LDH/BC// activated demonstrates remarkable 95.57 Wh kg 866.61 W exceptional cycling stability, maintaining 95.16% cycles. This research strategy promote ion/charge transfer provides new development advanced electrodes.

Язык: Английский

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One-pot preparation of porous carbon loaded MoS2/CoMoS4 heterostructure for high-performance supercapacitor application

Journal of Energy Storage, Год журнала: 2025, Номер 108, С. 115136 - 115136

Опубликована: Янв. 5, 2025

Язык: Английский

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Ti3SiC2-coupled NiCoMn LDH nanocomposites as positive electrode for high performance supercapacitors

Journal of Alloys and Compounds, Год журнала: 2023, Номер 956, С. 170229 - 170229

Опубликована: Апрель 21, 2023

Язык: Английский

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Nitrogen doped 1 T/2H mixed phase MoS2/CuS heterostructure nanosheets for enhanced peroxidase activity

Journal of Colloid and Interface Science, Год журнала: 2023, Номер 659, С. 312 - 319

Опубликована: Дек. 30, 2023

Язык: Английский

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In-situ Ni-doped V-MOF ultra-thin nanosheet arrays on Ni foam for high-performance hybrid supercapacitors

Electrochimica Acta, Год журнала: 2024, Номер 477, С. 143784 - 143784

Опубликована: Янв. 6, 2024

Язык: Английский

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Review and Outlook of Zinc Sulfide Nanostructures for Supercapacitors

Energy & Fuels, Год журнала: 2024, Номер 38(11), С. 9153 - 9185

Опубликована: Май 16, 2024

Supercapacitors have increased considerable interest due to their unique characteristics such as extended life cycle, high-power density, and environmental friendliness. They serve a bridge for the energy-power difference between traditional capacitor batteries/fuel cells. Selection of ideal electrode material particular application is critical parameter that affects efficiency supercapacitor devices. Transition-metal sulfides exhibit multiple oxidation states display outstanding supercapacitance performance. Metal are comparatively superior than metal oxides because better conductivity, higher electrochemical activity, eminent thermal mechanical stability. A comprehensive summary zinc sulfide (ZnS)-based nanomaterials electrodes on view. With band gap 3.5–3.8 eV, ZnS one first discovered II–VI semiconductors. has been revealed sustainable promising owing its facile synthesis magnificent This review covered recent research development nanostructures electrodes. Additionally, influencing parameters, selection composite materials, design summarized highly efficient As far our knowledge, this holistic description ZnS-based devices from basics advancements.

Язык: Английский

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Constructing Mo-Co2P/Ni12P5 heterostructures as highly efficient electrocatalysts for overall water splitting

Journal of Power Sources, Год журнала: 2025, Номер 637, С. 236597 - 236597

Опубликована: Фев. 22, 2025

Язык: Английский

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