4.7 Article

Crystalline/amorphous composite interface of CoP@Ni/Fe-P as a boosted electrocatalyst for full water splitting

Related references

Note: Only part of the references are listed.
Article Chemistry, Physical

Self-supported system of MoO2@Ni2P heterostructures as an efficient electrocatalyst for hydrogen evolution reactions in alkaline media

Zhiqiang Zhang et al.

Summary: In this study, MoO2@Ni2P heterostructure electrocatalyst was successfully synthesized and shown to have good hydrogen evolution activity in an alkaline environment. The overpotential and Tafel slope were comparable to commercial noble-metal catalysts and outperformed most reported catalysts.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

Article Chemistry, Multidisciplinary

Urchin-Like Structured MoO2/Mo3P/Mo2C Triple-Interface Heterojunction Encapsulated within Nitrogen-Doped Carbon for Enhanced Hydrogen Evolution Reaction

Jiamin Xiao et al.

Summary: In this study, a polyoxometalates-organic-complex-induced carbonization method is developed to construct a MoO2/Mo3P/Mo2C triple-interface heterojunction encapsulated into nitrogen-doped carbon. The mass ratio of dopamine and ammonium phosphomolybdate is found critical for the successful formation of such heterojunction. Theoretical and experimental results show that the optimal heterostructures exhibit high HER activity, good stability, and excellent catalytic performance due to the synergistic effect between the unique heterostructures and the encapsulated nitrogen-doped carbon.

SMALL (2023)

Article Chemistry, Physical

Enhancing the d/p-Band Center Proximity with Amorphous-Crystalline Interface Coupling for Boosted pH-Robust Water Electrolysis

Yaoda Liu et al.

Summary: Researchers have developed a non-precious pH-robust electrocatalyst for efficient and stable water electrolysis. This catalyst exhibits excellent catalytic activity for hydrogen and oxygen evolution reactions in alkaline electrolytes, achieving ultralow overpotentials and high OER current density.

ADVANCED ENERGY MATERIALS (2023)

Article Chemistry, Physical

A practical FeP nanoarrays electrocatalyst for efficient catalytic reduction of nitrite ions in wastewater to ammonia

Jiangfeng Yuan et al.

Summary: The conversion of nitrite ions into ammonia via an electrochemical process is significant due to its potential in addressing the energy-intensive ammonia production and substantial environmental pollution caused by nitrite ions. A study successfully prepared iron phosphide nanoarrays on a Ti plate and utilized it as an efficient catalyst for the conversion of nitrite ions into ammonia. The optimized parameters and mechanistic studies revealed that atomic hydrogen greatly influenced the reaction rate and selectivity, and specific facets of FeP were identified as the main active sites for nitrite reduction.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

Article Chemistry, Physical

Synergistic Tuning of CoO/CoP Heterojunction Nanowire Arrays as Efficient Bifunctional Catalysts for Alkaline Overall Water Splitting

Yan Dong et al.

Summary: Bifunctional CoO/CoP heterojunctions with hierarchical structure were designed as efficient bifunctional electrocatalysts for overall water splitting. The unique microstructure combining two-dimensional nanosheets with one-dimensional nanowires results in exposed active sites, shortened ion-diffusion pathways, and enhanced conductivity, significantly improving performance. These freestanding electrodes exhibit high current density and excellent durability for both hydrogen and oxygen evolution reactions. A significantly high current density was achieved at a low cell voltage, indicating the potential for practical applications in water splitting.

SMALL METHODS (2023)

Article Chemistry, Multidisciplinary

Crystalline-Amorphous Interfaces Coupling of CoSe2/CoP with Optimized d-Band Center and Boosted Electrocatalytic Hydrogen Evolution

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

MOF-derived CoP-nitrogen-doped carbon@NiFeP nanoflakes as an efficient and durable electrocatalyst with multiple catalytically active sites for OER, HER, ORR and rechargeable zinc-air batteries

E. Vijayakuma et al.

Summary: The CoP-NC@NFP catalyst, derived from MOF with multiple active sites, exhibits excellent charge-transfer kinetics and electrocatalytic performance in water splitting, comparable to precious metal catalysts in alkaline electrolytes, with outstanding electrochemical durability. Furthermore, zinc-air batteries assembled with CoP-NC@NFP as the air-cathode demonstrate high power density and prolonged operational stability, suggesting potential for efficient multifunctional catalysts free of noble metals for clean energy production and storage.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Physical

Synergistic mechanism of Ni(OH)2/NiMoS heterostructure electrocatalyst with crystalline/amorphous interfaces for efficient hydrogen evolution over all pH ranges

Chunming Yang et al.

Summary: Efficient electrocatalysts are essential for the commercial application of hydrogen evolution reaction (HER) across different pH ranges. The Ti@Ni(OH)(2)-NiMoS heterostructure demonstrated superior HER performance in various solutions due to the synergistic interface behaviors between Ni(OH)(2) and NiMoS. The crystalline Ni(OH)(2) promoted water dissociation kinetics, while the amorphous NiMoS provided abundant active sites for fast electron transfer rates.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

Article Chemistry, Physical

Crystalline-amorphous interface of mesoporous Ni2P @ FePOxHy for oxygen evolution at high current density in alkaline-anion-exchange-membrane water-electrolyzer

Abhishek Meena et al.

Summary: Developing low-cost, efficient, and stable electrocatalysts are crucial for industrial high-purity hydrogen production. This study introduces an active pre-electrocatalyst that achieves high current density at low overpotential, meeting the commercial requirements for oxygen evolution reaction. Additionally, by combining with a non-noble metal-based HER catalyst, complete water-splitting is achieved in a highly corrosive alkaline environment, and an economically viable alkaline-anion-exchange-membrane water-electrolyzer is fabricated.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

Review Chemistry, Physical

Recent Development and Future Perspectives of Amorphous Transition Metal-Based Electrocatalysts for Oxygen Evolution Reaction

Tianqi Guo et al.

Summary: This review introduces the assessment criteria, theoretical modeling, and applications of amorphous transition metal-based OER electrocatalysts. These amorphous materials have advantages such as more active sites, broader chemical composition range, and greater structural flexibility, providing valuable guidance in designing highly efficient and stable OER electrocatalysts for future energy applications.

ADVANCED ENERGY MATERIALS (2022)

Review Chemistry, Multidisciplinary

Rational Design of Better Hydrogen Evolution Electrocatalysts for Water Splitting: A Review

Fan Liu et al.

Summary: This review introduces the design principles of hydrogen evolution reaction (HER) electrocatalysts, including thermodynamics, kinetics, and structural descriptors. It also discusses the reasonable design, preparation, mechanistic understanding, and performance enhancement of electrocatalysts. Furthermore, it briefly discusses recent advancements in the electrocatalytic water splitting technology and proposes the challenges and perspectives in developing highly efficient hydrogen evolution electrocatalysts.

ADVANCED SCIENCE (2022)

Article Chemistry, Physical

CoP-CoOOH heterojunction with modulating interfacial electronic structure: A robust biomass-upgrading electrocatalyst

Honglei Wang et al.

Summary: The modulation of the electron density at the interface leads to the formation of a heterojunction (CoP-CoOOH), which enhances the activity and efficiency of the 5-hydroxymethylfurfural (HMF) oxidation reaction. The coupling with a flow reactor overcomes the diffusion limitation and improves the selectivity and efficiency of the reaction at high concentrations.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

Article Chemistry, Physical

Ni2P-Co2P Nanowire Arrays on Nickel Foam as a Robust pH- Universal Electrocatalyst for High-Efficiency Hydrogen Evolution Reaction

Haibin Zhong et al.

Summary: Ni2P-Co2P nanowire arrays synthesized by hydrothermal and low-temperature phosphorization on nickel foam exhibit excellent catalytic performance with low overpotentials and high current densities in acidic, alkaline, and neutral solutions.

ACS APPLIED ENERGY MATERIALS (2022)

Article Chemistry, Multidisciplinary

Energy-saving H2 Generation Coupled with Oxidative Alcohol Refining over Bimetallic Phosphide Ni2P-CoP Junction Bifunctional Electrocatalysts

Dan Wu et al.

Summary: An efficient strategy was developed for concurrent H-2 production and refining oxidative alcohols into value-added formate using self-supported Ni2P-CoP bifunctional electrocatalysts. This method enabled high-efficiency hydrogen production under low voltage conditions and demonstrated excellent durability.

CHEMSUSCHEM (2021)

Article Engineering, Environmental

Selective-etching of MOF toward hierarchical porous Mo-doped CoP/N-doped carbon nanosheet arrays for efficient hydrogen evolution at all pH values

Yuanjian Li et al.

Summary: The Mo-CoP/NC/TF electrocatalysts, with optimized electronic and geometric structures, show superior activity and stability for pH-universal hydrogen evolution reaction, demonstrating potential as a viable alternative to precious metal electrocatalysts.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Chemistry, Multidisciplinary

Transition metal-based electrocatalysts for overall water splitting

Xiao-Peng Li et al.

Summary: Recent advances in overall water splitting focus on transition metal-based oxides, carbides, phosphides, sulfides, and hybrids of their mixtures as hybrid bifunctional electrocatalysts. Emphasis is placed on different catalytic mechanisms, recent structural design, controllable synthesis, mechanistic insight, and performance-enhancing strategies.

CHINESE CHEMICAL LETTERS (2021)

Article Chemistry, Multidisciplinary

PtSe2/Pt Heterointerface with Reduced Coordination for Boosted Hydrogen Evolution Reaction

Zongpeng Wang et al.

Summary: Constructing PtSe2/Pt heterointerface can enhance the reaction kinetics of PtSe2, achieving near thermoneutral free energy change for hydrogen evolution reaction. The activated Pt atoms near Se vacancies strengthen the adsorption of H-. intermediate, leading to extraordinary activity even superior to Pt/C, demonstrating the potential of NMDs for HER and providing insights for constructing novel heterointerfaces.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Engineering, Environmental

Self-supporting transition metal chalcogenides on metal substrates for catalytic water splitting

Yang Zhao et al.

Summary: This review introduces typical synthetic strategies for self-supporting TMCs on metal substrates and comprehensively summarizes various metallic matrices for supporting TMC catalysts.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Materials Science, Multidisciplinary

Progress and Challenge of Amorphous Catalysts for Electrochemical Water Splitting

Yao Zhou et al.

Summary: Electrochemical water splitting is a promising technology for sustainable energy supply, with amorphous electrocatalysts gaining attention for their structural flexibility and rich defects. The use of amorphous catalyst materials offers opportunities for enhancing active sites, but characterization of local geometry and improving electrochemical stability remain challenges for future development.

ACS MATERIALS LETTERS (2021)

Article Chemistry, Multidisciplinary

Self-Supported Transition-Metal-Based Electrocatalysts for Hydrogen and Oxygen Evolution

Hongming Sun et al.

ADVANCED MATERIALS (2020)

Review Chemistry, Multidisciplinary

Bifunctional Heterostructured Transition Metal Phosphides for Efficient Electrochemical Water Splitting

Haojie Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Interface Engineering of Crystalline/Amorphous Co2P/CoMoPx Nanostructure as Efficient Electrocatalysts for Hydrogen Evolution Reaction

Xinhong Chen et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2019)

Review Chemistry, Physical

Recent advances in transition metal-based electrocatalysts for alkaline hydrogen evolution

Zhijie Chen et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

Article Nanoscience & Nanotechnology

One-Step Facile Synthesis of Cobalt Phosphides for Hydrogen Evolution Reaction Catalysts in Acidic and Alkaline Medium

Afriyanti Sumboja et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

Article Chemistry, Physical

Plasma-activated Co3(PO4)2 nanosheet arrays with Co3+-Rich surfaces for overall water water splitting

Haoxuan Liu et al.

JOURNAL OF POWER SOURCES (2018)

Review Chemistry, Multidisciplinary

Non-Noble Metal-based Carbon Composites in Hydrogen Evolution Reaction: Fundamentals to Applications

Jing Wang et al.

ADVANCED MATERIALS (2017)