In-situ construction of P-doped Ni0.5Cu0.5Co2O4 with 1D/2D hierarchical nanostructure for high-performance hybrid supercapacitors

Chemical Engineering Journal, Год журнала: 2024, Номер 493, С. 152609 - 152609

Опубликована: Май 27, 2024

Язык: Английский

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Interface Engineering with the Coupling of a 3D Porous Structure Enables MoP₂–NiCoP Heterostructure Nanosheets for Enhanced Alkaline Hydrogen Evolution Reaction

Inorganic Chemistry, Год журнала: 2024, Номер 63(3), С. 1682 - 1691

Опубликована: Янв. 8, 2024

One of the crucial parts electrochemically focused energy conversion and storage system is hydrogen evolution reaction. The further exploration electrocatalysts made nonprecious metals could help to bring technology closer industrialization. Here, we present an effective reaction (HER) electrocatalyst that employs hydrothermal phosphorization steps create three-dimensional (3D) porous MoP2–NiCoP heterostructure nanosheets on nickel foam (MoP2–NiCoP/NF). H2O-dissociation H-adsorption were effectively achieved due distinctive interface engineering between NiCoP MoP2, which functions as a channel for immediate electron transfer. Compared single-component MoP2 NiCoP, synergistic interaction heterogeneous components coupling 3D structure enables MoP2–NiCoP/NF exhibit satisfactory catalytic activity with ultralow overpotential 50 mV at 10 mA cm–2, close commercial Pt/C catalyst in alkaline media. More importantly, it exhibits good stability, ability be electrolyzed 1.0 M KOH electrolyte 24 h without significant change overpotential. This study offers directions design low-cost, high-activity, transition metal phosphides (TMPs)-based HER alternatives future practical applications.

Язык: Английский

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Construction of unique NiCoP/FeNiCoP hollow heterostructured ellipsoids with modulated electronic structure for enhanced overall water splitting

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 666, С. 403 - 415

Опубликована: Март 30, 2024

Transition metal phosphides have been demonstrated to be promising non-noble catalysts for water splitting, yet their electrocatalytic performance is impeded by unfavorable free energies of adsorbed intermediates. The achievement nanoscale modulation in morphology and electronic states imperative enhancing intrinsic activity. Herein, we propose a strategy expedite the splitting process over NiCoP/FeNiCoP hollow ellipsoids modulating structure d-band center. These unique phosphorus (P) vacancies-rich are synthesized through an ion-exchange reaction between uniform NiCo-nanoprisms K

Язык: Английский

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Construction of electron-interactive CoMoO4 @ CoP core–shell structure on boron-doped graphene aerogel as strongly interface coupled hybrid electrodes for high flexible supercapacitor

Chemical Engineering Journal, Год журнала: 2024, Номер 496, С. 154123 - 154123

Опубликована: Июль 26, 2024

Язык: Английский

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Simultaneously Improving Energy Storage and Oxygen Evolution Reaction by Causing Regional Defects in MOF-on-MOF Derived Hollow Se-Doped CoP-Fe₂P Heterojunctions

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(32), С. 42230 - 42241

Опубликована: Июль 31, 2024

Doping heteroatoms into metal phosphides to modify their electronic structure is an effective method, but the incomplete exposure of active sites its inherent drawback. In this experiment, both Se doping and P vacancies are simultaneously introduced CoP-Fe2P (named CoFe-P-Se) enhance internal reactivity. Benefiting from unique hollow porous derived MOF-on-MOF template, as well enhanced intrinsic activity achieved by defects doping, CoFe-P-Se exhibits a high specific capacitance 8.41 F cm–2 at current density 2 mA when used supercapacitor electrode. When assembled hybrid with activated carbon, energy reaches 0.488 mWh power 1.534 mW cm–2, capacity retention after 5000 charge–discharge cycles 90.65%. As oxygen evolution reaction (OER) electrode, electrode shows low overpotential only 230 mV 10 278 100 cm–2. Additionally, it excellent stability for over 50 h The designed element vacancy engineering in work will provide insight constructing high-performance electrodes.

Язык: Английский

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Medium-Entropy heterostructure of crystalline NiCoFeP @ amorphous NiCoFe-LDH for Industrial-Current density and ultrastable overall water splitting

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159520 - 159520

Опубликована: Янв. 1, 2025

Язык: Английский

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Exploiting the energy storage potential of hierarchical ZnCoTe hollow nanoflowers

Journal of Energy Storage, Год журнала: 2025, Номер 114, С. 115801 - 115801

Опубликована: Фев. 15, 2025

Язык: Английский

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Metal Organic Framework Derived Heterogeneous CoNiP@CoNiSe for High Performance Asymmetric Supercapacitor

Industrial & Engineering Chemistry Research, Год журнала: 2025, Номер unknown

Опубликована: Фев. 25, 2025

Язык: Английский

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Theoretical and experimental investigation on electrostatic field dynamics of Co3O4@NiPx electrocatalyst with core shell structure in overall water splitting reactions

Chemical Engineering Journal, Год журнала: 2024, Номер 485, С. 149903 - 149903

Опубликована: Фев. 21, 2024

Язык: Английский

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Photodynamically Functionalized CoP/MoS₂ Nanocomposites with Antibacterial Activity

ACS Applied Nano Materials, Год журнала: 2024, Номер 7(3), С. 3260 - 3268

Опубликована: Янв. 30, 2024

Bacterial infection and antibiotic resistance bring great trouble to anti-infective treatment. Therefore, it is urgent develop antibacterial materials with high efficiency as alternatives. Herein, we successfully synthesized a series of peroxidase-like CoP/MoS2 catalysts strikingly enhance the photocatalytic activity. After excitation by LED light, heterojunction composite exhibited sterilizing rate 97.2% toward S. aureus concentration 1 mg/mL. Based on theoretical discussion experimental result analysis, concluded that sharp edges MoS2 nanosheets, excellent hydrophilicity CoP/MoS2, incorporation generation reactive oxygen radicals endow catalyst rapid effective bacterial killing This study provides promising strategy using adhesive nanozymes in close proximity bacteria surface, which will guide design synthesis photocatalysts activity efficiency.

Язык: Английский

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