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Article
Chemistry, Inorganic & Nuclear
Yanling Guo et al.
Summary: In this study, in situ autologous NiFe LDH nanosheets were synthesized using a surface-reconstruction strategy, leading to enhanced catalytic effect and low cost. The obtained electrode showed excellent stability and potential for electrocatalytic applications.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Maryam Shamloofard et al.
Summary: In this study, a series of Mn-Co catalysts with different morphologies on the graphite paper substrate were successfully prepared by adjusting the amount of ammonium fluoride (NH4F) in the hydrothermal process. The cubic-like Mn-Co catalyst with pyramids on the faces at a concentration of 0.21 M NH4F exhibited the best activity toward both OER and HER. A two-electrode overall water electrolysis system using this bifunctional Mn-Co catalyst exhibited low cell voltages of 1.60 in the alkaline electrolyte at the standard current density of 10 mA cm-2 with appropriate stability.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Jie Wang et al.
Summary: Electrocatalytic overall water splitting technology has gained significant attention recently. In this study, N and S co-doped NiCo2O4@CoMoO4 heterostructures were fabricated through CVD and hydrothermal methods. The co-doping of N and S atoms as auxiliary active centers enhanced the activity of Ni, Co, and Mo atoms simultaneously. The hierarchical heterostructures generated more interfaces, accelerating mass transfer and enlarging the electrochemical surface area, resulting in significantly enhanced catalytic activity. The fabricated catalyst exhibited outstanding oxygen evolution reaction (OER) performance, with overpotentials of 165 mV and 100 mV for OER and hydrogen evolution reaction (HER), respectively, at a current density of 10 mA cm-2. Moreover, the N, S-NCO@CMO400-based water splitting cell operated at a low voltage of 1.46 V and demonstrated stable performance for 120 hours. This work provides new insights into the design of hierarchical heterostructures with two-element incorporation.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Multidisciplinary
Zhipeng Ma et al.
Summary: The construction of hollow nanostructure by compositing with carbonaceous materials is an effective strategy to mitigate the volume expansion of transition metal sulfides (TMSs) during lithium storage. However, designing well-controlled architectures to achieve extended cyclic stability and ease expansion of the electroactive materials into the reserved hollow spaces is still a challenge.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Jinghui Shi et al.
Summary: This study proposes a self-arrested strategy to rapidly grow nanowires in a cavity, constructing a hollow core-shell nanostructure nanoreactor. The structure fully utilizes the cavity, increases specific surface area and active sites, and improves electrical conductivity. Moreover, the nanomaterials exhibit enhanced oxygen evolution reaction activity and excellent durability. This work provides a novel strategy for the synergistic utilization of materials and topological structure in various applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Fangming Zhang et al.
Summary: A feasible strategy to develop multifunctional collaborative catalytic interfaces for efficient alkaline seawater splitting is reported. The resultant material demonstrates low cell voltages and superior long-term stability, outperforming other non-noble bifunctional electrocatalysts.
Article
Chemistry, Multidisciplinary
Hao Tian et al.
Summary: In this study, carbon vacancy modified Fe-N-C single-atom catalysts (Fe-H-N-C) were designed and synthesized through microenvironment modulation, resulting in high selectivity and long-term stability. The Fe-H-N-C catalyst exhibited a high half-wave potential and durable performance. This work provides guidance for developing highly active and stable single-atom catalysts and insights into optimizing electronic structures to enhance electrocatalytic performances.
ADVANCED MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Harsharaj S. Jadhav et al.
Summary: Designing and constructing low-cost electrocatalysts with high activity and stability is challenging. This review focuses on metal-organic frameworks (MOFs) as precursor materials for efficient electrocatalysis. Different synthesis approaches and strategies to enhance activity and stability are discussed. The review also provides insights into the applications of MOFs in oxygen and hydrogen evolution reactions and overall water splitting.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Shijie Shen et al.
Summary: This study achieves deep optimization of catalytic activity by constructing a crystalline-amorphous CoSe2/CoP heterojunction, optimizing the valence state and H adsorption of Co, and lowering the kinetic barrier of the hydrogen evolution reaction. The heterojunction shows competitive properties in acidic, neutral, and basic media.
ADVANCED MATERIALS
(2022)
Article
Engineering, Environmental
Qiaomei Luo et al.
Summary: In this study, hollow hexagonal rods of Co-Fe-P/CeO2 heterojunctions were successfully fabricated and exhibited excellent HER performances. The results provide a novel platform and useful guidelines for the design and construction of non-noble metal based composite electrocatalysts towards HER.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Yan Mei et al.
Summary: The CoP@Fe-CoP/NC/NF catalyst prepared by phosphorization of ZIF-67@Co-Fe Prussian blue analogue exhibits unique structure and excellent electrochemical performance for driving water electrolysis reactions. Through optimizing the electronic structure and morphology, it can achieve efficient hydrogen and oxygen evolution reactions at low voltages, showing promise for potential practical applications.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Bing Zhang et al.
Summary: This study successfully prepared an anemone-like CoP@CoOOH core-shell heterojunction catalyst using oxygen-vacancy and core-shell heterojunction engineering strategy, which exhibited excellent HER and OER activities in both neutral and alkaline media. The core-shell heterojunction accelerated the catalytic kinetics, while oxygen-vacancies reduced the kinetic barrier, ultimately enhancing the OER performance.
Article
Chemistry, Multidisciplinary
Wei Zhang et al.
Summary: The study explores the critical role of phosphorus in cobalt-based phosphides for water splitting and highlights the differences in performance among different cobalt phosphides in the hydrogen evolution reaction.
Article
Chemistry, Physical
Tian Meng et al.
Summary: Metal organic frameworks (MOFs) and their derivatives have garnered attention for their wide range of applications, particularly in water-splitting devices and fuel cells. This study successfully synthesized NiRu dual-phase alloy nanoparticles through in situ MOFs hydrolysis, highlighting the advantages of optimizing alloy structure for enhanced hydrogen evolution reaction activity. The findings contribute to expanding the scope of applications for MOFs hydrolysis reactions.
Article
Chemistry, Multidisciplinary
Merfat M. Alsabban et al.
Summary: This paper reports a electrocatalyst with activity and durability in an alkaline medium, and reveals its high efficiency reaction mechanism through theoretical studies.
Article
Engineering, Environmental
Dhandayuthapani Thiyagarajan et al.
Summary: In this study, Cu-CoP porous nanoplates were prepared through a polyethylenimine assisted hydrothermal process and subsequent phosphidation treatment. The incorporation of Cu enhances the density of active sites and facilitates fast charge transfer, leading to improved oxygen evolution reaction activity.
CHEMICAL ENGINEERING JOURNAL
(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
Hongye Bai et al.
Summary: In this study, Zn-MOF material with large surface area and abundant active sites was decorated on BiVO4 photoanode to enhance its photoelectrochemical (PEC) activity. The decorated BiVO4/Zn-MOF showed significantly improved photocurrent, charge separation efficiency, and charge injection efficiency, indicating the crucial role of Zn-MOF in constructing high-performance PEC water splitting system.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Zhonghan Feng et al.
Summary: A hierarchical Co3S4/CeO2 nanorod array on cobalt foam (Co3S4/CeO2-CF) was successfully fabricated via a one-step hydrothermal method. The CeO2 nanorod was fully covered by Co3S4 nanosheets, creating a hierarchical core-shell nanostructure. The Co3S4/CeO2 nanostructure, formed through doping of CeO2 and Co3S4 during the hydrothermal process, exhibits reduced free energy barrier in OER process. The Co3S4/CeO2-CF catalyst shows excellent catalytic activity for overall water splitting and remarkable stability, promising potential for bifunctional electrocatalysis.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Chemistry, Multidisciplinary
Pradnya M. Bodhankar et al.
Summary: This review discusses the recent research progress in nanostructured metal phosphide-based catalysts for electrochemical water splitting. These catalysts exhibit unconventional physicochemical properties and offer high turnover frequency, improved efficiency, and stability. Through experimental and theoretical investigations, this review explores the catalytic activity and synthetic strategies of these catalysts. The challenges and future outlook in the field of metal phosphide-based catalysts for water electrolysis are also addressed.
Article
Nanoscience & Nanotechnology
Xue-Zhi Song et al.
Summary: This study successfully combines catalytically inactive CeOx with active CoP to form a CoP/CeOx heterojunction, achieving modulation of the electronic structure of active CoP. The CoP/CeOx heterojunction optimizes water dissociation and H adsorption, significantly improving the catalytic activity and kinetics of the hydrogen evolution reaction.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Liye Zhu et al.
Summary: The article presents a novel scheme to enhance the catalytic activity of electrocatalysts for methanol oxidation reaction (MOR) by reconstructing the Pt/Bi2O3 interface to form Bi-decorated Pt aerogel. Experimental results show that the synergistic effect between Bi-0 species and Pt aerogel is the major cause of the improvement of the catalytic activity. In-suit Fourier transform infrared (FTIR) Spectroscopy results indicate that the generation and transformation of HCOO- intermediate are accelerated.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Zi-Hao Wang et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Donghong Duan et al.
Summary: To solve the environmental pollution and energy crisis, a low-crystallinity and microspherical CoFe-P/NF catalyst was designed and synthesized, which exhibited excellent performance in water splitting. The catalyst showed high activity for both the hydrogen evolution reaction and oxygen evolution reaction, leading to efficient production of hydrogen and oxygen. This study provides a new method for developing cost-effective catalysts for green hydrogen production via water splitting.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Analytical
Manoj M. Rajpure et al.
Summary: In this study, a multifunctional electrocatalyst NiCo-MOF-P was developed, which exhibited significantly enhanced electrocatalytic activity through structural and electronic modification. The optimized electrocatalyst showed excellent performance and long-term stability for urea-assisted water splitting.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Heng Zhang et al.
Summary: Developing inexpensive and stable electrocatalysts for the hydrogen evolution reaction (HER) in acidic and alkaline environments is important. In this research, cerium-doped Ni2P nanosheet arrays were prepared and showed superior electrocatalytic activity and stability compared to other similar catalysts. Cerium-doped Ni2P required low overpotentials and exhibited excellent cycling stability, offering a sustainable alternative for hydrogen generation.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Yusuf Valentino Kaneti et al.
Summary: In this study, hierarchical manganese-cobalt phosphide yolk-shell spheres were successfully fabricated using self-templated method, exhibiting higher catalytic activity for oxygen evolution reaction compared to manganese-cobalt oxide yolk-shell spheres and hierarchical cobalt phosphide spheres. The high activity of the hierarchical Mn-Co phosphide yolk-shell catalyst is attributed to the existence of Mn4+/Mn3+ and Co2+/Co3+ redox couples and the formation of active metal oxyhydroxide species on its surface.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Libo Wu et al.
Summary: The study successfully synthesized a heterogeneous Ni2P-Fe2P microsheet electrocatalyst with superior catalytic activity and corrosion resistance, suitable for water and seawater electrolysis, demonstrating great potential. The catalyst has abundant active sites and a superior transfer coefficient, exhibiting performance even better than the currently reported best bifunctional catalysts.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Electrochemistry
Jianshuai Mu et al.
Summary: In this study, a new type of dual-doped self-supported cobalt phosphide catalyst was prepared, exhibiting superior electrocatalytic performance for water splitting reactions and showing excellent long-term stability.
Article
Nanoscience & Nanotechnology
Junyu Zhang et al.
Summary: Developing electrocatalysts with low cost, high energy efficiency, and universal pH value for hydrogen/oxygen evolution reaction is crucial for electrochemical water splitting in hydrogen production. CoP3/Ni2P heterostructures show superior catalytic performance in a wide pH range due to abundant structural defects and electronic state adjustment, leading to improved activation energy, conductivity, and active area of the catalyst. This allows CoP3/Ni2P to be used for water splitting for over 40 hours at a high performance level, surpassing benchmark pairs of Pt/C and RuO2 on Ni foam.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Shaohua Wang et al.
Summary: The study presents a novel three-dimensional metal phosphide electrocatalyst (Co-Fe2P) deposited on Ni foam for seawater electrolysis, showing enhanced electrocatalytic properties for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Density functional theory calculations demonstrated the beneficial effect of CoFe2P on HER due to its suitable H* adsorption, with the potential for application in efficient electrolysis of seawater.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Energy & Fuels
Yu-Lan Meng et al.
Summary: The study successfully synthesized a highly active oxygen evolution reaction catalyst CoOOH(25) with lower overpotential and smaller Tafel slope at a current density of 10 mA cm(-2), demonstrating excellent catalytic performance. The improved catalytic activity of CoOOH(25) can be attributed to its specific structures, such as ultra-thin disordered nanosheets, oxygen vacancies, and structure self-renewal technology.
Article
Chemistry, Multidisciplinary
Hao Tian et al.
Summary: Silicon suboxide has shown potential as an anode material for high-energy-density lithium-ion batteries, but issues with electronic conductivity and Coulombic efficiency have hindered its practical application. By designing hollow-structured SiOx@CNTs/C architectures, these issues have been successfully addressed, paving the way for developing high-energy-density LIBs based on SiOx.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Xue-Zhi Song et al.
Summary: A hybrid nanostructure of CoP nanoparticles embedded in a hollow N-doped carbon nanocage was constructed through chemical etching, successive carbonization, and phosphorization treatment, leading to enhanced electrocatalytic performance.
ACS APPLIED NANO MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Weimo Li et al.
Summary: The study introduces a simple method to construct CeO2-CoO nanofibers as efficient OER electrocatalysts, exhibiting excellent catalytic performance and long-term stability. The unique interfacial architecture between CeO2 and CoO contributes to the outstanding OER properties of the nanofibers.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Review
Chemistry, Multidisciplinary
Zi-You Yu et al.
Summary: The hydrogen economy has emerged as a promising alternative to the current hydrocarbon economy, involving the use of renewable energy to split water into hydrogen and oxygen for further utilization as clean fuel. Among various water electrolysis technologies, alkaline water splitting has been commercialized for over 100 years and is considered the most mature and economic option. Advanced nonprecious metal electrocatalysts have shown potential for improving the efficiency and stability of alkaline water splitting processes, with a focus on catalyst synthesis and performance improvement.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Tengyuan Dai et al.
Summary: Structural engineering and compositional controlling are crucial in designing advanced freestanding electrocatalysts. The spatial distribution of components plays a significant role in enhancing electrocatalysis performance, with CeO2-CoS1.97 and CoS1.97-CeO2 materials showing different behaviors in the oxygen evolution reaction.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Xiao Xu et al.
Summary: Assembling n-type cobalt layered double hydroxide nanosheets on p-type cuprous phosphide nanowire to form a p-n junction with a strong built-in potential leads to significantly improved overall water splitting performance.
Article
Chemistry, Multidisciplinary
Lei Yang et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Review
Chemistry, Multidisciplinary
Haojie Zhang et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
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Cong Zhang et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2020)
Article
Engineering, Environmental
Meng Li et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
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Shanfu Sun et al.
Article
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Jiqing Jiao et al.
Article
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Shuang Li et al.
CHEMICAL COMMUNICATIONS
(2020)
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Chemistry, Physical
Ji-Sen Li et al.
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Chemistry, Multidisciplinary
Jian-Gang Li et al.
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Zhiyan Chen et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2018)
Article
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Jie Yu et al.
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Xixi Wang et al.
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
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Xiufang Liu et al.
Article
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Yaxiao Guo et al.
ACS APPLIED MATERIALS & INTERFACES
(2017)
Article
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Timo Hofmann et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2012)