Synergistic coupling of FeOOH with Mo-incorporated NiCo LDH towards enhancing the oxygen evolution reaction

Article Engineering, Environmental

Co-metal-organic framework derived CoSe2@MoSe2 core-shell structure on carbon cloth as an efficient bifunctional catalyst for overall water splitting

Swati J. Patil et al.

Summary: The study developed a bifunctional electrocatalyst with a core-shell structure, demonstrating excellent water splitting performance and stability in alkaline media.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Chloride pre-intercalated CoFe-layered double hydroxide as chloride ion capturing electrode for capacitive deionization

Kai Wang et al.

Summary: This study demonstrates the potential of the rocking-chair CDI system for efficient desalination through the use of special materials and appropriate battery design.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Interfacial electronic modulation on heterostructured NiSe@CoFe LDH nanoarrays for enhancing oxygen evolution reaction and water splitting by facilitating the deprotonation of OH to O

Fei Nie et al.

Summary: This study proposes a method for achieving low-cost and high-efficiency oxygen evolution reaction (OER) catalysts through interfacial engineering. By synthesizing a three-dimensional heterostructure of NiSe nanowires and CoFe LDH nanosheets on Ni foam, the catalyst exhibits enhanced OER performance with more active sites, structural stability, and reduced contact resistance. Density functional theory calculations reveal the role of interfacial synergism in influencing the catalyst's activity, which is validated by experimental results showing superior stability and efficiency.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Green & Sustainable Science & Technology

Template synthesis of molybdenum-doped NiFe-layered double hydroxide nanotube as high efficiency electrocatalyst for oxygen evolution reaction

Zehao Yin et al.

Summary: In this study, Mo-doped NiFe-layered double hydroxide nanotubes were synthesized using a self-sacrificial template method. The resulting nanotubes exhibited a large electrochemical surface area and high OER activity, providing a feasible strategy for the development of high-efficiency electrocatalysts.

MATERIALS TODAY SUSTAINABILITY (2022)

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Article Chemistry, Physical

Size-dependent electron injection over sensitized semiconductor heterojunctions for enhanced photocatalytic hydrogen production

Wenkai Xu et al.

Summary: This study investigates the effect of electron transfer rate on the photocatalytic activity of semiconductor heterojunctions. By synthesizing a series of sensitized semiconductor heterojunction materials, it is found that tuning the CdS quantum dot size can regulate the electron transfer rate and photocatalytic activity. This provides a new strategy for developing highly efficient photocatalysts.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Chemistry, Multidisciplinary

Lattice Matching Growth of Conductive Hierarchical Porous MOF/LDH Heteronanotube Arrays for Highly Efficient Water Oxidation

Ying Wang et al.

Summary: A lattice-matching growth strategy is demonstrated for conductive MOF/LDH heteronanotube arrays, enabling ultraefficient oxygen evolution reaction. The optimized heteronanotube arrays exhibit extraordinary electrocatalytic activity and show promise as practical materials for water electrolysis.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Precisely engineering the electronic structure of active sites boosts the activity of iron-nickel selenide on nickel foam for highly efficient and stable overall water splitting

Yuan Huang et al.

Summary: The study reports a highly efficient electrocatalyst P-Ni0.75Fe0.25Se2 for water splitting on nickel foam, exhibiting low overpotential and stable activity. P doping can independently modulate the electronic structure of Fe, optimize the adsorption strength of OER intermediates at active sites and facilitate the OER kinetics.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Chemical transformation approach for high-performance ternary NiFeCo metal compound-based water splitting electrodes

Jooyoung Lee et al.

Summary: Developing high-efficiency and cost-efficient electrodes for hydrogen and oxygen evolution reactions is a major challenge in water electrolysis technology. A chemical transformation route was developed to produce high-performance OER and HER electrodes, which outperformed most other catalysts reported to date. An alkaline water electrolyzer based on these electrodes achieved a current density of 10 mA/cm(2) at an only 1.47 V-cell, while an anion exchange membrane water electrolyzer reached a current density of 500 mA/cm(2) at an only 1.75 V-cell.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

FeOOH-CoS composite catalyst with high catalytic performances for oxygen evolution reaction at high current density

Gao Deng et al.

Summary: Water electrolysis is an efficient method for high-purity hydrogen production, but the sluggish oxygen evolution reaction often requires high overpotential, leading to increased electricity cost. The FeOOH-CoS nanocomposite catalyst showed excellent OER performance at high current densities, indicating promising industrial applications.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Zr-doped CoFe-layered double hydroxides for highly efficient seawater electrolysis

Wenjun Liu et al.

Summary: The Zr-doped layered double hydroxide on nickel foam was designed to enhance the bifunctional activities of electrocatalysts, showing superior OER and HER activities in 1M KOH and alkaline simulated seawater electrolyte. The CoFeZr/NF provides a new pathway for large-scale hydrogen production, with almost no attenuation when tested in alkaline seawater electrolyte compared to 1.0 M KOH.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Host Modification of Layered Double Hydroxide Electrocatalyst to Boost the Thermodynamic and Kinetic Activity of Oxygen Evolution Reaction

Lei Zhou et al.

Summary: This study demonstrates a strategy to optimize the oxygen evolution reaction activity of LDHs by introducing transition and main group metal atoms, which can enhance the intrinsic activity and kinetics of LDHs. Experimental and theoretical results show that suitable dopants can lower the activation energy barrier and promote electron transfers, providing insights for the rational design of high-performing OER electrocatalysts.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Amorphous FeOOH decorated hierarchy capillary-liked CoAl LDH catalysts for efficient oxygen evolution reaction

Xiaolong Deng et al.

Summary: Electrocatalytic water splitting is a promising approach for producing clean hydrogen, but faces challenges in the low efficiency of the oxygen evolution reaction (OER). Researchers have reported a novel OER catalyst with excellent activity, showing potential to enhance the efficiency and stability of OER.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Mo-incorporated three-dimensional hierarchical ternary nickel-cobalt-molybdenum layer double hydroxide for high-efficiency water splitting

Shrine Maria Nithya Jeghan et al.

Summary: 3D hierarchical ternary NiCoMo-layered double hydroxide (NiCoMo-LDH) spheres were fabricated via a one-pot hydrothermal method and showed high efficiency as electrocatalysts for the OER and HER. The NiCoMo-LDH exhibited remarkable electrocatalytic activity for overall water splitting with long-term stability, making it a promising candidate for use in industrial applications such as rechargeable metal-air batteries.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Cactus-like NiCo2S4@NiFe LDH hollow spheres as an effective oxygen bifunctional electrocatalyst in alkaline solution

Xueting Feng et al.

Summary: The study introduces a novel cactus-like NiCo2S4@NiFe LDH hollow sphere prepared by a hydrothermal method, which effectively enhances the catalytic activities for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), demonstrating stability in long-term tests and achieving a small potential gap.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Engineering, Environmental

Ni-Mo based mixed-phase polyionic compounds nanorod arrays on nickel foam as advanced bifunctional electrocatalysts for water splitting

Jitang Zhang et al.

Summary: This study presents a facile synthesis strategy for preparing self-supported Ni-Mo based mixed-phase polyionic compounds nanorod arrays, which show remarkable bifunctional electrocatalytic water splitting performance, suitable for driving efficient water splitting in alkaline electrolyzers.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Analytical

MoO42- doped Ni-Fe-Se nanospheres electrodeposited on nickel foam as effective electrocatalysts for oxygen evolution reaction

Zhao Yin et al.

Summary: The MoO42- doping enhanced the OER activity of NiFeMoSe/NF nanospheres electrode, exhibiting lower overpotential and smaller Tafel slope, indicating excellent catalytic performance. The NiFeMoSe/NF electrode showed outstanding durability and stability in alkaline medium.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Ultrafine-grained Ni-rich layered cathode for advanced Li-ion batteries

Geon-Tae Park et al.

Summary: Limiting the primary particle size of cathodes can effectively address capacity fading issues and improve battery cycling stability. The introduction of Mo helps inhibit primary particle growth, leading to enhanced cycle life for Li[Ni0.95Co0.04Mo0.01]O-2.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Physical

Coupling porous Ni doped LaFeO3 nanoparticles with amorphous FeOOH nanosheets yields an interfacial electrocatalyst for electrocatalytic oxygen evolution

Yanxin Li et al.

Summary: A novel hybrid OER electrocatalyst consisting of Ni-doped LaFeO3 with a porous structure combined with ultra-thin amorphous FeOOH nanosheets has been successfully prepared, showing extremely low overpotential and high OER activity.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical

Boosting oxygen evolution activity of NiFe-LDH using oxygen vacancies and morphological engineering

Shuxuan Liu et al.

Summary: Hierarchical NiFe LDH microtubes with abundant oxygen vacancies were synthesized via a template-assisted strategy, leading to enhanced intrinsic conductivity and catalytically active sites. Defect and morphological engineering significantly improved the OER performance of the material.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Electrocatalytic water splitting with unprecedentedly low overpotentials by nickel sulfide nanowires stuffed into carbon nitride scabbards

Zaki N. Zahran et al.

Summary: This study reports the unprecedentedly low overpotential achieved for oxygen evolution during water electrolysis using a unique catalyst, NiSx/C3N4, providing a new direction for developing efficient catalysts for oxygen evolution.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Inorganic & Nuclear

A hierarchical CuO@NiCo layered double hydroxide core-shell nanoarray as an efficient electrocatalyst for the oxygen evolution reaction

Yang Cao et al.

Summary: In this study, a hierarchical CuO@NiCo layered double hydroxide core-shell nanoarray on copper foil (CuO@NiCo LDH/CF) was developed as a 3D OER electrocatalyst, showing superior catalytic activity with a high geometrical catalytic current density of 20 mA cm(-2) at an overpotential of 256 mV and strong long-term electrochemical durability for at least 24 hours.

INORGANIC CHEMISTRY FRONTIERS (2021)

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Article Chemistry, Applied

Critical roles of molybdate anions in enhancing capacitive and oxygen evolution behaviors of LDH@PANI nanohybrids

Qiang Hu et al.

Summary: A MoO42- intercalated polyaniline-coated NiCo-layered double hydroxide composite electrode was successfully prepared, achieving significantly enhanced energy storage and catalytic performance. The introduction of an appropriate amount of MoO42- showed promising effects for improving the electronic conductivity and catalytic efficiency of the electrode based on LDH.

CHINESE JOURNAL OF CATALYSIS (2021)

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Article Nanoscience & Nanotechnology