Defective NiMn LDH prepared using hydrogen evolution coupled electrodeposition for highly efficient oxygen evolution reaction

Article Nanoscience & Nanotechnology

Etching-Induced Surface Reconstruction of NiMoO4 for Oxygen Evolution Reaction

Jinli Zhu et al.

Summary: A double-cation etching strategy is developed to enhance the electronic structure and oxygen adsorption capacity of NiMoO4 nanorods, resulting in improved OER catalytic performance.

NANO-MICRO LETTERS (2023)

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Article Chemistry, Physical

Construction of NiFe-Layered Double Hydroxides Arrays as Robust Electrocatalyst for Oxygen Evolution Reaction

Qiyu Liu et al.

Summary: Electrochemical water splitting is an important method for efficient hydrogen production. The development of this method is limited by the slow oxygen evolution reaction (OER). To solve this problem, low-cost and efficient electrocatalysts are being explored. In this research, a NiFe layered double hydroxides electrocatalyst (FNH) was achieved with a special three-dimensional nanosheet array structure, resulting in efficient ion access. The FNH catalyst exhibited better activity than RuO2, with an extraordinary overpotential and satisfactory cycling stability.

CATALYSTS (2023)

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Article Engineering, Environmental

Iron-induced electron modulation of nickel hydroxide/carbon nanotubes composite to effectively boost the oxygen evolution activity

Yi Wang et al.

Summary: By growing iron-decorated nickel hydroxide nanoparticles on three-dimensional carbon nanotube networks, the local coordination environment and electron structure can be effectively adjusted, enhancing the efficiency of oxygen evolution reaction.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Multidisciplinary

Competitive Coordination-Oriented Monodispersed Ruthenium Sites in Conductive MOF/LDH Hetero-Nanotree Catalysts for Efficient Overall Water Splitting in Alkaline Media

Ying Wang et al.

Summary: This study reports a highly efficient electrocatalyst for water splitting, which is fabricated using a controllable grafted-growth strategy to form a cMOF/LDH hetero-nanotree array catalyst coupled with monodispersed ruthenium (Ru) sites. The optimized catalyst shows excellent electrochemical water-splitting properties in alkaline media, outperforming most reported MOF-based catalysts.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

πMIDLINE HORIZONTAL ELLIPSISπ interaction directed 2D FeNi-LDH nanosheets from 2D Hofmann-MOFs for the oxygen evolution reaction

Jia-Min Huo et al.

Summary: This study successfully synthesized FeNi layered double hydroxides (FeNi LDHs) with excellent OER performance using a two-dimensional MOF transformation strategy, providing a universal synthesis method that avoids self-accumulation.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Physical

Interfacial electronic modulation of Ni3S2 nanosheet arrays decorated with Au nanoparticles boosts overall water splitting

Hui Liu et al.

Summary: In this study, a novel Au/Ni3S2 heterostructure catalyst with excellent catalytic activities towards oxygen evolution reaction and hydrogen evolution reaction was fabricated. The catalyst exhibited low working voltage and maintained good stability for 60 hours.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Chemistry, Physical

Novel fluorine-doped cobalt molybdate nanosheets with enriched oxygen-vacancies for improved oxygen evolution reaction activity

Weiwei Xie et al.

Summary: In this study, fluorine-doped cobalt molybdate nanosheet arrays were synthesized on graphite felt to enhance the kinetics of the oxygen evolution reaction. The F-CoMoO4 electrocatalyst showed improved OER performance due to the induction of oxygen vacancies and optimization of the electronic configuration of CoMoO4. The DFT results revealed that the change in Mo 4d state led to a decrease in band-gap and an increase in electrical conductivity, thereby optimizing the intrinsic activity of CoMoO4. The synthesis strategy employed in this work may offer insights for enhancing the electrical conductivity of other transition metal oxides.

APPLIED CATALYSIS B-ENVIRONMENTAL (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 Chemistry, Physical

Interface construction of NiCo LDH/NiCoS based on the 2D ultrathin nanosheet towards oxygen evolution reaction

Jiahui Li et al.

Summary: In this study, the efficient and earth-abundant transition-metal-based OER electrocatalysts were explored for industrial alkaline electrolyzers. By judiciously combining earth-abundant and ultrathin NiCo-based layered double hydroxide (NiCo LDH) nanosheets with nickel cobalt sulfides (NiCoS) through a facile metal-organic framework (MOF)-template-involved surface sulfidation process, a significant enhancement of OER kinetics was achieved in alkaline media. The hybrid arrays of NiCo LDH/NiCoS exhibited low OER overpotential and superior stability.

NANO RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Highly Efficient Electrocatalytic Oxygen Evolution Over Atomically Dispersed Synergistic Ni/Co Dual Sites

Zhihao Pei et al.

Summary: In this study, a catalyst with atomically dispersed Ni/Co dual-metal sites anchored on nitrogen-doped carbon hollow prisms was successfully designed and synthesized. This catalyst exhibits superior electrocatalytic activity and kinetics, and density functional theory calculations showed strong synergistic interactions and optimized electronic structure, resulting in reduced reaction energy barrier.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Multidisciplinary

Mesoporous LDH Metastructure from Multiscale Assembly of Defective Nanodomains by Laser Shock for Oxygen Evolution Reaction

Wendi Yi et al.

Summary: It is found that laser shock in solvent can lead to the formation of nanoreactors which guide the assembly of layered double hydroxide (LDH) nanostructures. These LDH nanostructures with porous structure and rich active sites enable LDH catalysts to have low overpotential in the oxygen evolution reaction.

SMALL (2022)

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Article Chemistry, Physical

Atomically embedded Ag on transition metal hydroxides triggers the lattice oxygen towards sustained seawater electrolysis

Shujie Liu et al.

Summary: In this study, a highly efficient and stable electrocatalyst for large-scale seawater electrolysis was developed through atomic doping engineering. The catalyst exhibited superior catalytic activity in alkaline electrolyte and maintained stability during long-term operation.

NANO ENERGY (2022)

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Article Chemistry, Inorganic & Nuclear

Introducing oxygen vacancies to NiFe LDH through electrochemical reduction to promote the oxygen evolution reaction

Xiaoman Hou et al.

Summary: This work presents a novel and efficient electrochemical reduction method for introducing oxygen vacancies into NiFe LDH laminates, thereby enhancing their OER performance. The reduced NiFe LDH exhibits increased oxygen vacancy density, electrochemically active surface area, wetting ability, and electron transfer rate, resulting in high current density and long-term stability. This method is applicable for modifying other LDH materials, demonstrating its universality.

DALTON TRANSACTIONS (2022)

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Article Chemistry, Physical

Boosting of overall water splitting activity by regulating the electron distribution over the active sites of Ce doped NiCo-LDH and atomic level understanding of the catalyst by DFT study

Hariharan N. Dhandapani et al.

Summary: In this study, Ce3+ doping of NiCo-LDH was found to enhance the performance of both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The doping of Ce improved the electronic conductivity of the catalyst and Co-3d states played a dominant role in water splitting activity. This work provides an alternate route to design a highly efficient and cost effective catalyst for global clean energy production.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Review Chemistry, Physical

The versatility of the dynamic hydrogen bubble template derived copper foam on the emerging energy applications: progress and future prospects

Manisha Das et al.

Summary: The review highlights the industrial relevance and enormous potential of nanostructured copper foams in energy applications, particularly focusing on the dynamic hydrogen bubble template technique. It also emphasizes the wide applicability of the nanometal foam model in various energy devices and addresses the technological challenges it faces.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Multidisciplinary Sciences

Engineering single-atomic ruthenium catalytic sites on defective nickel-iron layered double hydroxide for overall water splitting

Panlong Zhai et al.

Summary: Rational design of single atom catalyst is critical for efficient sustainable energy conversion. Single-atomic-site ruthenium stabilized on defective nickel-iron layered double hydroxide nanosheets achieve superior HER and OER performance in alkaline media.

NATURE COMMUNICATIONS (2021)

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Article Nanoscience & Nanotechnology

Three-Dimensional Heterostructured NiCoP@NiMn-Layered Double Hydroxide Arrays Supported on Ni Foam as a Bifunctional Electrocatalyst for Overall Water Splitting

Pan Wang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Hierarchical 3D Architectured Ag Nanowires Shelled with NiMn-Layered Double Hydroxide as an Efficient Bifunctional Oxygen Electrocatalyst

Soressa Abera Chala et al.

ACS NANO (2020)

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Article Chemistry, Physical

Surface Activation and Reconstruction of Non-Oxide-Based Catalysts Through in Situ Electrochemical Tuning for Oxygen Evolution Reactions in Alkaline Media

Arumugam Sivanantham et al.

ACS CATALYSIS (2020)

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Article Multidisciplinary Sciences

In-situ structure and catalytic mechanism of NiFe and CoFe layered double hydroxides during oxygen evolution

Fabio Dionigi et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

The roles of oxygen vacancies in electrocatalytic oxygen evolution reaction

Kaiyue Zhu et al.

NANO ENERGY (2020)

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Article Chemistry, Multidisciplinary

Unveiling the Promotion of Surface-Adsorbed Chalcogenate on the Electrocatalytic Oxygen Evolution Reaction

Yanmei Shi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Energy & Fuels

Structural transformation of highly active metal-organic framework electrocatalysts during the oxygen evolution reaction

Shenlong Zhao et al.

NATURE ENERGY (2020)

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Article Chemistry, Physical

Morphology regulation of metal-organic framework-derived nanostructures for efficient oxygen evolution electrocatalysis

Yuwen Li et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

Rational design of NiFe LDH@Ni3N nano/microsheet arrays as a bifunctional electrocatalyst for overall water splitting

Boran Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

Metal-organic framework derived Co3O4/MoS2 heterostructure for efficient bifunctional electrocatalysts for oxygen evolution reaction and hydrogen evolution reaction

Alagan Muthurasu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2019)

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Article Chemistry, Physical

Fast formation of single-unit-cell-thick and defect-rich layered double hydroxide nanosheets with highly enhanced oxygen evolution reaction for water splitting

Rui Gao et al.

NANO RESEARCH (2018)

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Review Chemistry, Physical

Transition-metal-based layered double hydroxides tailored for energy conversion and storage

Rajkumar Patel et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Physical

Study of the Active Sites in Porous Nickel Oxide Nanosheets by Manganese Modulation for Enhanced Oxygen Evolution Catalysis

Tian Tian et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Physical

Metallic NiPS3@NiOOH Core-Shell Heterostructures as Highly Efficient and Stable Electrocatalyst for the Oxygen Evolution Reaction

Bharathi Konkena et al.

ACS CATALYSIS (2017)

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Article Chemistry, Multidisciplinary

Reactive Fe-Sites in Ni/Fe (Oxy)hydroxide Are Responsible for Exceptional Oxygen Electrocatalysis Activity

Michaela Burke Stevens et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Physical

Copper Cobalt Sulfide Nanosheets Realizing a Promising Electrocatalytic Oxygen Evolution Reaction

Meenakshi Chauhan et al.

ACS CATALYSIS (2017)

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Article Chemistry, Physical

Plasma surface functionalization induces nanostructuring and nitrogen-doping in carbon cloth with enhanced energy storage performance

Bo Ouyang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

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Article Chemistry, Multidisciplinary

Iron-Doped Nickel Oxide Nanocrystals as Highly Efficient Electrocatalysts for Alkaline Water Splitting

Ksenia Fominykh et al.

ACS NANO (2015)

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Article Chemistry, Multidisciplinary

Highly Active Mixed-Metal Nanosheet Water Oxidation Catalysts Made by Pulsed-Laser Ablation in Liquids

Bryan M. Hunter et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Chemistry, Multidisciplinary

Ca2Mn2O5 as Oxygen-Deficient Perovskite Electrocatalyst for Oxygen Evolution Reaction

Jaemin Kim et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Review Chemistry, Multidisciplinary

Surface Chemistry of Ruthenium Dioxide in Heterogeneous Catalysis and Electrocatalysis: From Fundamental to Applied Research

Herbert Over

CHEMICAL REVIEWS (2012)

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A Perovskite Oxide Optimized for Oxygen Evolution Catalysis from Molecular Orbital Principles

Jin Suntivich et al.

SCIENCE (2011)

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Review Chemistry, Multidisciplinary

Solar Water Splitting Cells

Michael G. Walter et al.

CHEMICAL REVIEWS (2010)

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Superhydrophobicity of 3D porous copper films prepared using the hydrogen bubble dynamic template

Ying Li et al.

CHEMISTRY OF MATERIALS (2007)

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Porous tin oxides prepared using an anodic oxidation process

HC Shin et al.

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Article Chemistry, Multidisciplinary

Nanoporous structures prepared by an electrochemical deposition process

HC Shin et al.

ADVANCED MATERIALS (2003)

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Defective NiMn LDH prepared using hydrogen evolution coupled electrodeposition for highly efficient oxygen evolution reaction

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