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Article
Chemistry, Physical
Chuang Fan et al.
Summary: This study proposes a novel and effective strategy utilizing neodymium-evoked valence electronic perturbation to enhance and balance the reversible oxygen electrocatalysis of metallic cobalt sites. By preparing a Nd-doped metal-organic framework and an N-doped carbon substrate, a catalyst with excellent bifunctional electrocatalytic properties is achieved. This catalyst exhibits low overpotential and high half-wave potential for both oxygen evolution reaction and oxygen reduction reaction, as well as good catalytic stability and electrochemical performance.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Yujie Huang et al.
Summary: By employing an Ar-plasma-assisted strategy, a new type of hierarchical spinel Co3O4 porous nanoneedle arrays with Mo substitution and oxygen vacancies were prepared and demonstrated superior performance for the oxygen evolution reaction (OER). The Mo substitution and oxygen vacancy formation were achieved through charge redistribution and d-band center modification. The resulting material, denoted P-Mo-Co3O4@CC, exhibited a low overpotential and high stability, making it a promising catalyst for water electrolysis.
Article
Chemistry, Multidisciplinary
Jianwei Nai et al.
Summary: Constructing catalytically active heterostructures with novel composition and architecture for boosting water splitting efficiency remains a challenge, but this work demonstrates a rational synthetic route for creating a novel Ni-based OER electrocatalyst with enhanced performance.
ADVANCED MATERIALS
(2022)
Article
Engineering, Environmental
Tongfei Li et al.
Summary: Efficient and cost-effective Fe-doped Mn3O4 hollow yolk-shell nanoboxes (Fe-Mn3O4 HYSNBs) were synthesized using KMn[Fe(CN)(6)] prussian blue analogs as precursors. These nanoboxes exhibited excellent catalytic activity and stability towards oxygen reduction reaction (ORR) in alkaline solution, as well as high power density and specific capacity as an air-cathode in Zn-Air batteries, showcasing great potential for practical applications.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Wenli Yu et al.
Summary: In this work, 2D nanosheets decorated with a 3D porous nanostructure, known as FeCoNi-NS-ACVs, were developed. FeCoNi-NS-ACVs exhibited superhydrophilic and excellent electroconductivity properties, and showed outstanding electrocatalytic performances and durability for both OER and overall water-splitting reactions.
Article
Chemistry, Multidisciplinary
Xiaoge Li et al.
Summary: This study presents a method for directly growing NiFe-layered double hydroxide (NiFe-LDH) nanosheets on nickel foam under ambient temperature and pressure, resulting in a highly porous array with numerous exposed active sites, reduced resistance of charge/mass transportation, and enhanced mechanical stability. The electrocatalyst exhibits excellent catalytic performance for oxygen evolution reaction (OER) in alkaline electrolyte, achieving high current densities with low overpotentials. This simple and cost-effective synthesis method has the potential to accelerate the commercialization of hydrogen production through water splitting.
Article
Chemistry, Applied
Meng Li et al.
Summary: This article reports a novel and efficient electrocatalyst Ce-Ni3N@CC, which optimizes the UOR kinetics, reduces operation voltage, and provides cost-effective electrons. The catalyst exhibits superior catalytic performance and offers a promising design strategy for the future development of energy-related devices.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Shichao Du et al.
Summary: Porous NiFe-LDH with rich edge/surface-Fe defects can be constructed by an atmosphere corrosion strategy. The NiFe-LDH prepared through this method exhibits higher activity and stability for the oxygen evolution reaction compared to conventional liquid-phase synthesis. Additionally, the atmosphere corrosion strategy is suitable for large-scale, green, and economically feasible synthesis of metal-based catalysts, making it potentially valuable for device and industrial applications.
Article
Chemistry, Multidisciplinary
Xiaojing Lin et al.
Summary: This paper presents the construction of Li+-doped NiFe layered double hydroxide by introducing lithium acetate, which regulates the electronic structure and improves proton transfer kinetics. The resulting material exhibits highly improved oxygen evolution reaction performance and maintains excellent performance under industrial conditions, shedding light on the design of efficient electrocatalysts.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Lei Tan et al.
Summary: The NiSe2/Ni3Se4 dual-phase electrocatalysts synthesized on Ni foam show improved efficiency in oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), with lower voltage and good durability. The composition of the catalyst influences the charge-state of Ni and the phase distribution, impacting the catalytic performance significantly. The interfacial electron transfer between Ni3Se4 and NiSe2 enhances conductivity and improves adsorption/desorption energies, contributing to the overall efficiency of the electrolyzer.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Engineering, Environmental
Chuang Fan et al.
Summary: This study proposes an effective and novel surface chemical reconstruction strategy to optimize the electrocatalytic performance of inverse-spinel manganese cobalt oxide (MnCo2O4) towards oxygen evolution reaction (OER). The strategy involves the synthesis of MnCo2O4/CeO2 heterostructure through a facile and effective method, which triggers surface chemical reconstruction, creates more active sites, and improves catalytic activity and stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
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.
Article
Multidisciplinary Sciences
Sanjiang Pan et al.
Summary: This study reports a cost-effective and stable manganese oxybromide catalyst with excellent oxygen evolution reaction (OER) activity in acidic electrolytes. The catalyst exhibits low overpotential and good stability, making it suitable for hydrogen production from water, and provides crucial insights for the design of non-noble metal electrocatalysts.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Tianyun Jing et al.
Summary: Ultrafine FeOx catalysts show promise for oxygen evolution reaction (OER) activity, but there is room for improvement compared to commercial catalysts. Hydroxyl modification improves catalytic activity and stability, bringing the catalysts closer to scale-up and commercialization stages.
Review
Chemistry, Physical
Xuan Wang et al.
Summary: Research attention has shifted from transition metal and precious metal based single-atom catalysts (SACs) to rare-earth (RE) based SACs, which exhibit unique electronic structure and catalytic performance in photo/electrocatalysis. However, a systematic review on the role of RE active sites, catalytic mechanisms, and synthetic methods for RE SACs is still lacking. Therefore, this review summarizes and discusses the latest developments in RE SACs for photo/electrocatalysis, covering theoretical advantages, reaction progress, catalytic mechanisms, and synthetic strategies.
Article
Chemistry, Multidisciplinary
Xuan Wang et al.
Summary: This study proposes a novel gradient orbital coupling strategy to tune the performance of the oxygen reduction reaction (ORR). The optimized catalyst shows higher onset and half-wave potentials compared to commercial catalysts and exhibits superior selectivity and durability. It also demonstrates better performance in Zn-air batteries compared to noble-metal catalysts in terms of power/energy densities and cycle life.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Yubo Chen et al.
Summary: Efficient catalysts are crucial for the oxygen evolution reaction (OER) in various electrochemical processes. In this study, cobalt tetrahedra stabilized on the surface of YBCo4O7 material were found to efficiently catalyze OER. The surface of YBaCo4O7 showed resilience towards structural amorphization during OER, and the dual corner-shared cobalt tetrahedra acted as active sites for the reaction.
NATURE COMMUNICATIONS
(2022)
Review
Chemistry, Physical
Xuan Wang et al.
Summary: This review provides a timely and comprehensive summary of major achievements regarding rare earth (RE)-based electrocatalytic materials. It discusses the development and advantages of RE-based electrocatalysts, and reviews various RE-based materials that have been developed over the last 5 years. Challenges and perspectives are also presented to guide future research on RE-based materials.
Article
Chemistry, Physical
Wei Hua et al.
Summary: The rational design of pre-catalysts is a powerful strategy for achieving high-efficiency oxygen evolution reaction through electrochemical reconstruction. The well-designed pre-catalyst composed of NiHCF nanocubes on Ni(OH)(2) nanosheets demonstrates outstanding OER performance via cascading reconstruction, leading to a significant decrease in overpotential and excellent stability over time. The cascading reconstruction strategy offers a new perspective for obtaining superior catalysts for OER.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Physical
Fan Tang et al.
Summary: By integrating chemical composition and geometric structure, Fe-doped CoO nanotubes with high oxygen evolution reaction (OER) activity and stability were successfully prepared. The study is important for enhancing the efficiency of OER.
Article
Engineering, Environmental
Xueyuan Wang et al.
Summary: Structural manipulation of electrocatalysts by doping high-valence Ta into NiFe layered double hydroxide enhances OER activity through lattice expansion and electronic structure modification. The optimized Ta-NiFe LDH exhibits superior OER performance with lower overpotential and smaller Tafel slope. This work provides a theoretical basis for enhancing OER activity by doping LDH with high-valence foreign metals.
CHEMICAL ENGINEERING JOURNAL
(2021)
Review
Chemistry, Inorganic & Nuclear
Lan Sun et al.
Summary: Water electrolysis is crucial for hydrogen generation, requiring efficient electrocatalysts; Recent advancements include strategies like nanoarchitecturing and heteroatomic doping to enhance electrocatalyst performance; Challenges and opportunities lie ahead for improving water splitting performance.
COORDINATION CHEMISTRY REVIEWS
(2021)
Article
Chemistry, Applied
Yangyang Wen et al.
Summary: A new hybrid nanostructure, NiFeCe-LDH/MXene, was developed for efficient electrocatalysis towards OER with low onset overpotential and overpotential in the alkaline medium compared to pure LDH counterparts and IrO2 catalyst. The hybrid catalyst also exhibited fast reaction kinetics and remarkable stable durability, showing potential for renewable energy conversion and storage systems.
JOURNAL OF ENERGY CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Chang-Xin Zhao et al.
Summary: In this study, a noble-metal-free bifunctional electrocatalyst CoNC@LDH was fabricated, exhibiting outstanding performance in rechargeable zinc-air batteries. The catalyst showed remarkable bifunctional activity surpassing the traditional noble-metal-based benchmarks. Additionally, the catalyst achieved long lifespan and excellent cycling performance in the batteries.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Shuai Zhang et al.
Summary: Alloying is an efficient methodology to improve the performance of metallic catalysts, rare-earth metal compounds can integrate the unique orbital structure and catalytic behavior of rare earth elements; these alloys provide an opportunity to tailor electronic properties, tune charged carrier transport, and enhance surface reactivity.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zhihao Zhang et al.
Summary: A strategy for preparing Ni-Fe layered double hydroxide (NiFe-LDH) with abundant exposed edge planes for enhanced oxygen evolution reaction (OER) is reported in this study. The NiFe-LDH/C material shows superior OER performance at a current density of 50 mA cm(-2) due to its unique structural engineering and exposed active edge sites.
Article
Chemistry, Physical
Junsheng Chen et al.
Summary: This study investigates the effect of doping chromium on the activity of cobalt (oxy)hydroxide catalysts through a combination of DFT calculations and catalyst characterization. The results show that the optimal Co5Fe3Cr2 (oxy)hydroxide exhibits superior performance in terms of high current density and turnover frequency. Analysis from X-ray absorption and photoelectron spectroscopies reveals that chromium promotes the distribution of cobalt atoms and modifies the electronic structure. Quasi-operando electron energy loss spectroscopy confirms that chromium accelerates the oxidation of Co2+ to higher valence species, leading to significantly higher catalytic activity.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Jing He et al.
Summary: In order to reduce energy consumption, researchers have prepared a series of FeNiW-layered double hydroxides grown in situ on Fe foam through an electrochemical corrosion engineering strategy, exhibiting excellent electrochemical activity for water oxidation. The FeNiW-LDH shows low overpotential and small Tafel slope in the OER reaction, demonstrating good stability and electronic conductivity.
Article
Chemistry, Multidisciplinary
Yi Huang et al.
Summary: The study successfully designed and synthesized optimized porous Co-based trimetallic spinel oxide nanoboxes with superior electrocatalytic performance for the oxygen evolution reaction. The structural and compositional advantages enable the nanoboxes to exhibit excellent performance in alkaline electrolyte.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Huachuan Sun et al.
Summary: In this study, ultrathin rhodium-doped nickel-iron layered double hydroxide nanosheets were successfully synthesized, demonstrating excellent hydrogen evolution and oxygen evolution performance for advanced overall water splitting. The impressive mass activity in urea electro-oxidation reaction indicates great potential for overcoming the sluggish oxygen evolution reaction.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Energy & Fuels
Enhbayar Enhtuwshin et al.
Summary: In this study, Cu-doped NF-LDHs with a self-supported 2D nanosheet structure on carbon cloth were developed to enhance OER activity and stability through modulating the electronic configuration by interactions among Ni-Fe-Cu. The addition of Cu successfully reduced the activation energy for OER, resulting in small overpotentials and high current densities, demonstrating superior performance compared to nickel-LDHs and NF-LDHs. Additionally, excellent electrochemical stability was achieved during long-term OER tests, indicating no dissolution of active metals due to synergetic effects among Ni-Fe-Cu.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Zhi-Peng Wu et al.
Summary: A highly efficient bimetallic Ni-Fe selenide-derived OER electrocatalyst is reported in this study, with the structure-activity correlation of the active centers studied. It was found that the active center located on Ni sites showed moderate bindings with oxygenous intermediates, leading to enhanced OER performance.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Lishan Peng et al.
Summary: This study reveals the degradation mechanism of NiFe-LDH catalysts during alkaline OER and demonstrates that introducing cation vacancies can enhance both activity and stability. The introduction of cation vacancies reduces metal dissolution and surface phase formation, improving the long-term OER stability of NiFe-LDH.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Multidisciplinary Sciences
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)
Article
Chemistry, Physical
Chao-Peng Wang et al.
Summary: Metal-organic frameworks (MOFs) are commonly used as electrocatalysts for the oxygen evolution reaction (OER), but often degrade quickly under harsh conditions. This study introduces structurally stable bimetallic FeNi-MOF nanoarrays with self-optimized catalytic activities in oxygen production, achieved through gradual valence increments of Fe ions triggering continuous performance improvement. These FeNi-MOFs exhibit high activities and durability, providing insights into catalytic processes in heterometallic MOFs.
Article
Chemistry, Multidisciplinary
Hao Chen et al.
Summary: The study developed high-efficiency catalysts for the CO2 reduction reaction and oxygen evolution reactions, showing superior catalytic performance and stability in experiments.
ADVANCED MATERIALS INTERFACES
(2021)
Article
Chemistry, Physical
Hao Li et al.
Summary: The oxygen reduction reaction (ORR) is crucial for fuel cell performance, with TMOs offering operational stability but lower activity compared to Pt-based electrocatalysts. The challenges in finding TMOs with high ORR activity lie in weaker oxygen binding on TMO surfaces and stronger electric field effects, making O-O bond breaking difficult. Experimental screening of 7,798 unique TMO compositions confirmed their lower activity compared to Pt.
Article
Materials Science, Multidisciplinary
M. Ning et al.
Summary: Electrochemical seawater splitting using a Fe2+-driven NiFe layered double hydroxide as a catalyst shows high activity and stability in alkaline seawater electrolyte. Coupling with a good hydrogen evolution reaction catalyst, the two-electrode electrolyzer exhibits excellent electrolysis performance in natural seawater. The oxidation of Fe2+ is a universal mechanism for the growth of efficient OER catalysts.
MATERIALS TODAY PHYSICS
(2021)
Article
Chemistry, Physical
X. Zhang et al.
Summary: Efficient and low-cost catalysts with excellent durability for the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) are crucial for the preparation of green hydrogen energy by electrochemical water splitting. The fabricated bifunctional electrocatalyst, NiFe LDH-Ni-S/NF electrode, shows outstanding electrochemical properties in an alkaline medium, demonstrating feasibility in practical alkaline water splitting systems.
MATERIALS TODAY ENERGY
(2021)
Article
Chemistry, Physical
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)
Article
Chemistry, Physical
Zebi Zhao et al.
Summary: The study developed cobalt-based catalysts using the strong electronegativity of halogen elements, and proposed a new design principle for improving the performance of metal oxides in the electrochemical oxygen evolution reaction based on electronegative screening of halogen modification.
Review
Chemistry, Multidisciplinary
Likun Gao et al.
Summary: Recent advancements in the development of cost-effective and high-efficiency transition metal-based electrocatalysts have led to a better understanding of the dynamic reconstruction of surface structures during electrocatalytic water oxidation, especially the anodic oxygen evolution reaction (OER). Through operando and in situ techniques, it has been found that electrocatalysts undergo surface reconstruction to form actual active species during OER in alkaline solution. By exploring issues such as initiators for surface reconstruction and establishing relationships between structure, composition, and electrocatalytic activity, progress has been made in the rational manipulation of in situ catalyst surface reconstruction for the development of high-efficiency electrocatalysts.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Carsten Walter et al.
Summary: Intermetallic compounds show attractive electronic, physical, and chemical properties, making them ideal materials for electrocatalytic applications. However, their widespread use is often hindered by complex and energy-intensive processes, leading to larger particles and decreased surface areas. Alternative synthetic strategies are being explored to achieve high performance and stable electrode materials.
Article
Chemistry, Physical
Ping Yan et al.
Summary: Transition metal phosphides (TMPs) have been reported as efficient pre-catalysts for the oxygen evolution reaction (OER) in alkaline media. In this study, hollow nanostructured Ni5P2/FeP4 nanoboxes (NiFeP NBs) were designed and synthesized as pre-catalysts, which deeply reconstructed into low-crystalline and ultrathin NiOOH/FeOOH nanosheet assembled nanoboxes (NiOOH/FeOOH NBs) during the OER process, exhibiting superior OER activity and excellent stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Meng Li et al.
Summary: Rare earth elements have recently attracted attention as effective promoters in electrocatalysis due to their partially filled 4f orbitals. A new type of Gd-doped hybrid electrocatalyst, Gd-NiFe-LDH@CC, was designed and developed through a one-step hydrothermal approach. The Gd doping enhanced the OER performance by optimizing the electronic structure of NiFe-LDH, increasing oxygen vacancies, and improving binding strength of intermediate species such as HOO*. Additionally, the Gd-NiFe-LDH@CC exhibited superior electrocatalytic activity and stability for the OER compared to NiFe-LDH@CC and commercial RuO2.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Zhang Jintao et al.
ADVANCED MATERIALS
(2020)
Article
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Seunghwa Lee et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Physical
Yuanhao Tang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Electrochemistry
Xinke Liu et al.
ELECTROCHIMICA ACTA
(2020)
Article
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Wanshan Mai et al.
ACS APPLIED ENERGY MATERIALS
(2020)
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ADVANCED ENERGY MATERIALS
(2020)
Article
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Timothy K. Dickens et al.
JOURNAL OF PHYSICAL CHEMISTRY A
(2019)
Article
Chemistry, Multidisciplinary
Bin Wang et al.
ADVANCED MATERIALS
(2019)
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Yu Gu et al.
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ADVANCED FUNCTIONAL MATERIALS
(2018)
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Li-Ming Cao et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Review
Chemistry, Multidisciplinary
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Article
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JOURNAL OF CHEMICAL PHYSICS
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Ksenia Fominykh et al.
ADVANCED FUNCTIONAL MATERIALS
(2017)
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ADVANCED FUNCTIONAL MATERIALS
(2017)
Review
Chemistry, Multidisciplinary
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CHEMICAL SOCIETY REVIEWS
(2017)
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Na Han et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2015)
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Fang Song et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2014)
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Lena Trotochaud et al.
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(2014)
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Mary W. Louie et al.
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(2013)
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Sakae Takenaka et al.
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(2010)
Review
Chemistry, Multidisciplinary
Jens K. Norskov et al.
CHEMICAL SOCIETY REVIEWS
(2008)
