Engineering the Surface Structure of Binary/Ternary Ferrite Nanoparticles as High‐Performance Electrocatalysts for the Oxygen Evolution Reaction

  title={Engineering the Surface Structure of Binary/Ternary Ferrite Nanoparticles as High‐Performance Electrocatalysts for the Oxygen Evolution Reaction},
  author={Pathik Sahoo and Jing-Bo Tan and Zhi-Ming Zhang and Shiva Kumar Singh and Tong-Bu Lu},
Cost‐effective production of efficient and robust oxygen evolution electrocatalysts is of primary importance in developing renewable energy technologies. Herein, we develop a simple and efficient method for exploring high‐performance oxygen evolution reaction (OER) electrocatalysts by engineering the surface structure of ferrite nanoparticles on carbon nanotube support through a reduction‐engraved strategy. After the reduction treatment, abundant oxygen vacancies localized on the surface of the… Expand
12 Citations
In situ prepared amorphous FeCoO-Polyaniline/multiwalled carbon nanotube nanohybrids as efficient oxygen evolution catalysts for rechargeable Zn-air batteries
Abstract Efficient catalyst with low overpotential and small Tafel slope for oxygen evolution reaction is the key factor to improve overall efficiency of Zn-air battery. In the present study, a novelExpand
Phase‐Transited Lysozyme‐Driven Formation of Self‐Supported Co3O4@C Nanomeshes for Overall Water Splitting
This PTL‐driven N‐Co3O4@C@NF integrates the advantages of porous structure, high exposure of surface atoms, strong synergetic effect between the components and unique 3D electrode configuration, imparting exceptional activity in catalyzing both HER and OER. Expand
Boosting oxygen evolution reaction performance by nickel substituted cobalt-iron oxide nanoparticles embedded over reduced graphene oxide
Abstract Designing non-precious-metal (NPM) electrocatalysts for oxygen evolution reaction (OER) from alkaline water is of paramount importance for clean, sustainable and conversion technologies.Expand
Fe doping and oxygen vacancy modulated Fe-Ni5P4/NiFeOH nanosheets as bifunctional electrocatalysts for efficient overall water splitting
Abstract The efficient bifunctional catalysts for hydrogen and oxygen evolution reactions (HER/OER) have attracted great interest for hydrogen production from water splitting. Herein, the doping andExpand
Bismuth molybdate incorporated functionalized carbon nanofiber as an electrocatalytic tool for the pinpoint detection of organic pollutant in life samples.
It is concluded that U-BMO/f-CNF/GCE potential for the determination of hazardous environmental pollutant 2-NA is fabricated and investigated in soil and lake water samples and delivers good recovery results. Expand
Hydrated Metal Halide-Based Deep Eutectic Solvent-Mediated NiFe Layered Double Hydroxide: An Excellent Electrocatalyst for Urea Electrolysis and Water Splitting.
Deep eutectic solvents based on hydrated metal halide-based DESs to prepare LDH catalysts via the dipping-redox synthetic strategy might enrich the researches of DES while offer a guideline for a rational surface engineering strategy of catalysts for urea electrolysis and overall water splitting with high performance. Expand
Identification of Active Sites in the Catalytic Oxidation of 2‐Propanol over Co1+xFe2–xO4 Spinel Oxides at Solid/Liquid and Solid/Gas Interfaces
A series of Co1+xFe2–xO4 (0≤x≤2) spinel nanowires was synthesized by nanocasting using SBA‐15 silica as hard template, which was characterized by X‐ray powder diffraction, X‐ray photoelectronExpand
Ternary NiCoFe-layered double hydroxide hollow polyhedrons as highly efficient electrocatalysts for oxygen evolution reaction
Abstract The low-cost, highly efficient non-noble metal catalysts in the oxygen evolution reaction (OER) are urgently needed. Herein, we develop a self-templated in situ transformation strategy toExpand
Designing Metal-Organic Frameworks Based Photocatalyst for Specific Photocatalytic Reactions: A Crystal Engineering Approach
The spatial arrangement of designed reaction centers with engineered porosity withdraws a special attention in exploring metal-organic frameworks (MOFs) for developing a wide range of photocatalystExpand
Adsorption of Pregelatinized Starch for Selective Flocculation and Flotation of Fine Siderite.
The repulsive forces between fine siderite particles and the attractive forces between siderites and hematite or quartz were decreased after treatment with PS, indicating that the aggregation of sidersite was enhanced and the aggregations of mixed minerals were weakened. Expand


A facile preparation of CoFe2O4 nanoparticles on polyaniline-functionalised carbon nanotubes as enhanced catalysts for the oxygen evolution reaction
Designing and preparing highly efficient non-precious metal electrocatalysts for the oxygen evolution reaction (OER) is extremely urgent but still remains a challenge. In this study, aExpand
Facilely Tuning Porous NiCo2 O4 Nanosheets with Metal Valence-State Alteration and Abundant Oxygen Vacancies as Robust Electrocatalysts Towards Water Splitting.
The role that morphology and composition play in the OER performance is focused on to rationally design freestanding 3D porous NiCo2O4 nanosheets with metal valence states alteration and abundant oxygen vacancies as robust electrocatalysts towards water splitting. Expand
Defect‐Engineered Ultrathin δ‐MnO2 Nanosheet Arrays as Bifunctional Electrodes for Efficient Overall Water Splitting
Recently, defect engineering has been used to intruduce half-metallicity into selected semiconductors, thereby significantly enhancing their electrical conductivity and catalytic/electrocatalyticExpand
Ultrathin Iron-Cobalt Oxide Nanosheets with Abundant Oxygen Vacancies for the Oxygen Evolution Reaction.
A facile solution reduction method using NaBH4 as a reductant is developed to prepare iron-cobalt oxide nanosheets (Fex Coy -ONSs) with a large specific surface area, ultrathin thickness, and, importantly, abundant oxygen vacancies that could improve electronic conductivity and facilitate adsorption of H2 O onto nearby Co3+ sites. Expand
Co–Ni‐Based Nanotubes/Nanosheets as Efficient Water Splitting Electrocatalysts
One promising approach to hydrogen energy utilization from full water splitting relies on the successful development of earth-abundant, efficient, and stable electrocatalysts for oxygen evolutionExpand
Toward Full Exposure of “Active Sites”: Nanocarbon Electrocatalyst with Surface Enriched Nitrogen for Superior Oxygen Reduction and Evolution Reactivity
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) play a decisive role for the efficiency of fuel cells and metal-air batteries. The nitrogen doped carbon materials with lowExpand
Strongly Coupled FeNi Alloys/NiFe2O4@Carbonitride Layers-Assembled Microboxes for Enhanced Oxygen Evolution Reaction.
An effective and facile template-engaged strategy originated from bimetal MOFs is developed to construct hollow microcubes assembled by interconnected nanopolyhedron, consisting of intimately dominant FeNi alloys coupled with a small NiFe2O4 oxide, which was confined within carbonitride outer shell via one-step annealing treatment. Expand
Engineering surface atomic structure of single-crystal cobalt (II) oxide nanorods for superior electrocatalysis
Tuning of the atomic structure of one-dimensional single-crystal cobalt (II) oxide (CoO) nanorods by creating oxygen vacancies on pyramidal nanofacets shows that the surface atomic structure engineering is important for the fabrication of efficient and durable electrocatalysts. Expand
NiFe Layered Double Hydroxide-Derived NiO-NiFe2O4/Reduced Graphene Oxide Architectures for Enhanced Electrocatalysis of Alkaline Water Splitting
Electrochemical water splitting is an environment-friendly technology to store the renewable but intermittent energy into hydrogen fuels. Nowadays, exploiting the low-cost, high-performance andExpand
Phosphorus-doped perovskite oxide as highly efficient water oxidation electrocatalyst in alkaline solution
Developing cost-effective and efficient electrocatalysts for oxygen evolution reaction (OER) is of paramount importance for the storage of renewable energies. Perovskite oxides serve as attractiveExpand