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Article
Chemistry, Physical
Yansong Zhou et al.
Summary: In this study, partially pyrolyzed nickel-organic frameworks were used to efficiently oxidize methanol at the anode. Experimental and theoretical results showed that partial deligandation maintained the porous skeleton and allowed for more accessible nickel sites, leading to selective and efficient formate electrosynthesis. The overall electrolysis system reduced energy consumption by 23% at 200 mA cm(-2) in a flow cell, and further improvements were achieved in a zero-gap membrane electrode assembly device with a processing capacity of approximately 500 mA cm(-2) at 2.4 V. This work provides valuable insights for designing advanced electrocatalysts and electrolyzer configurations for decarbonization and high energy efficiency.
Article
Chemistry, Physical
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, Multidisciplinary
Wenfang Zhai et al.
Summary: In this article, a series of affordable bimetal-incorporated black phosphorene (BP) catalysts were constructed by an in situ electro-exfoliation/insertion method for anti-SRC water electrolysis. The optimized bimetal-BP structures displayed excellent and stable catalytic performances in hydrogen evolution (HER) and oxygen evolution (OER) reactions. The anti-SRC behaviors were elucidated by in situ Raman studies during HER/OER, suggesting a balanced electron transfer pathway on Ni sites.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yafei Zhao et al.
Summary: In this study, a promising oxygen evolution reaction (OER) electrocatalyst, S/N-CMF@FexCoyNi1-x-y-MOF, was delicately fabricated via a cation-exchange strategy, which exhibited outstanding activity and stability in alkaline OER. The outstanding performance of the electrocatalyst was attributed to the trimetallic composition, hollow S/N-CMF matrix facilitating exposure of active sites, and the post-formed Fe/Co-doped gamma-NiOOH during the OER operation.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yizhe Liu et al.
Summary: A molecularly engineered MOF system based on mercaptan-metal links has been designed, demonstrating excellent electroconductivity and efficient electrocatalytic oxygen evolution reaction (OER) performance.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yicheng Zhong et al.
Summary: This study proposes a locking effect strategy to synthesize high-loading and ultrafine metal nanoparticles in metal-organic frameworks, which allows for efficient chemoselective catalysis with high stability. The locked MOF modulates the charge of the metal nanoparticles, making them highly specific for the desired catalytic reaction. This strategy has potential applications in various catalytic reactions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Wei Li et al.
Summary: In this study, single-atom catalysis on two-dimensional graphene and electride heterostructures was investigated using first-principles calculations. The electron gas in the electride layer facilitated a significant transfer of electrons to the graphene layer, which could be controlled by the choice of electride. The charge transfer effectively modified the d-orbital electron occupancy of a single metal atom, leading to enhanced catalytic activity for hydrogen evolution and oxygen reduction reactions. The strong correlation between adsorption energy and charge transfer suggested that interfacial charge transfer is a crucial catalytic descriptor for heterostructure-based catalysts. The polynomial regression model demonstrated the importance of charge transfer and accurately predicted the adsorption energy of ions and molecules. This study offers a strategy for obtaining high-efficiency single-atom catalysts using two-dimensional heterostructures.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Review
Chemistry, Multidisciplinary
Yuchen Wang et al.
Summary: This review summarizes and compares recent advances in effective and facile strategies for the rational design of transition-metal-based layered double hydroxides (TM-LDHs) nanosheets as electrocatalysts, including increasing the number of active sites, improving the utilization of active sites (atomic-scale catalysts), modulating the electron configurations, and controlling the lattice facets. The utilization of these fabricated TM-LDHs nanosheets in various applications, such as oxygen evolution reaction, hydrogen evolution reaction, urea oxidation reaction, nitrogen reduction reaction, small molecule oxidations, and biomass derivatives upgrading, is discussed by systematically analyzing the corresponding fundamental design principles and reaction mechanisms. Furthermore, the existing challenges in increasing the density of catalytically active sites and the future prospects of TM-LDHs nanosheets-based electrocatalysts in each application are addressed.
Article
Chemistry, Multidisciplinary
Dengrong Sun et al.
Summary: The atomic structure of multivariate metal-organic frameworks (MTV-MOFs) was visualized using the iDPC-STEM technique, guiding the design of bulk MOFs for efficient oxygen evolution reaction (OER). Incorporating Fe3+ or 2-aminoterephthalate (ATA) into Ni-BDC weakened the coordination bonds, allowing for selective cleavage via mild heat treatment to generate coordinatively unsaturated metal sites, conductive Ni@C, and hierarchical porous structure. The defective MOFs exhibited excellent OER activity, with current densities of 10 and 100 mA cm(-2) achieved at small overpotentials of 286 mV and 365 mV, respectively, surpassing commercial RuO2 catalyst and most bulk MOFs.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Hang Liu et al.
Summary: A macroporous SnO2/MoS2 inverse opal hierarchitecture has been developed for the efficient detection of NO2 gas, showing enhanced response, fast kinetics, and high selectivity at low temperatures.
CHEMICAL COMMUNICATIONS
(2023)
Review
Chemistry, Multidisciplinary
Haixia Zhong et al.
Summary: In this Review, the recent advances of two-dimensional conjugated metal-organic frameworks (2D c-MOFs) as electrocatalysts for electrochemical energy conversion are summarized. The advantages, chemical design principles, synthetic strategies, functional design, and applications in various electrochemical reactions are introduced. The strategies for structural design and property tuning to boost the catalytic performance, as well as the challenges to be overcome, are highlighted.
Review
Chemistry, Multidisciplinary
Liuyang Zhang et al.
Summary: This article presents the superiority and design criteria of the emerging S-scheme heterojunction in photocatalysis. By overcoming the challenges faced by single photocatalysts through the construction of heterojunctions, the S-scheme heterojunction has demonstrated its potential in improving photocatalysis. The critical understanding of the curved Fermi level in the S-scheme heterojunction interface and the current challenges and prospects of S-scheme heterojunction photocatalysts are also discussed.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Tong Wu et al.
Summary: In this study, a novel metallic heterostructure was designed for efficient water electrolysis, achieving high stability and activity at large current density. The heterostructure overcame the issue of competitive adsorption by providing two separated reaction sites, and improved overall water splitting by regulating active electronic states through charge transfer.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yao Jing et al.
Summary: A reversible transformation between 1D, 2D, and 3D has been demonstrated in coordination polymers comprised of Cu-II ions and bidentate terephthalate. These dimensional transformations have significantly altered chemical and physical properties, including gas sorption and magnetism.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Lianhai Zu et al.
Summary: In this work, ultrathin Ir-IrOx/C nanosheets with ordered interlayer space were synthesized through a nanoconfined self-assembly strategy, exhibiting enhanced catalytic activity for acidic oxygen evolution reactions. The nanosheets showed one of the lowest overpotential during OER in an acid medium, benefiting from their mixed-valence states, rich electrophilic oxygen species, and favorable mesostructured architectures. This study opens a new avenue for designing high-performance 2D ordered mesoporous electrocatalysts for water oxidation and beyond through a nanoconfined self-assembly strategy.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Multidisciplinary Sciences
Zhe Gao et al.
Summary: In this study, the promotion functions of the reverse spillover effect in the ammonia borane hydrolysis reaction were proven by constructing a NiO/Al2O3/Pt bicomponent catalyst. In situ XANES results revealed that H species generated at NiO sites spill across the support to the Pt sites reversely, leading to enhanced hydrogen generation rates. The study suggests that understanding the reverse effects can contribute to clarifying catalytic mechanisms and designing efficient catalysts for hydrogen generation reactions.
NATURE COMMUNICATIONS
(2022)
Review
Chemistry, Physical
Zhichao Chen et al.
Summary: This article highlights the importance of Proton Exchange Membrane Water Electrolyzer (PEMWE) technology in hydrogen production from renewable energy. It provides an in-depth understanding of the oxygen evolution reaction mechanisms and reviews recent progress in the development of oxygen evolution electrocatalysts in acid media. The article also discusses the current application status and research progress in PEMWEs, along with proposing future challenges and insights for the development of hydrogen production technology from renewable energy.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Bingxing Zhang et al.
Summary: Single-atom catalysts have gained attention in electrocatalysis for their exceptional activity, selectivity, and atom utilization. However, their limited metal-support interactions hinder their applications in complex reactions. Supported sub-nanometer cluster catalysts with nearly fully exposed active atoms may outperform single-atom catalysts in specific catalytic reactions. This review summarizes recent advances in supported sub-nanometer cluster catalysts in electrocatalysis and highlights the importance of support-cluster interactions and ensemble effects.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Xiaohong Xie et al.
Summary: This article reviews the active sites for three mainstream non-precious metal catalysts for the oxygen evolution reaction (OER) and discusses the degradation mechanisms and mitigation strategies for these sites. Additionally, it explores the gaps between the research and development of non-precious metal catalysts for the OER and their application in practical devices.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Sho Kitano et al.
ADVANCED MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Jianzhong Wu
Summary: Significant progress has been made in recent years in theoretical modeling of the electric double layer. However, understanding the microscopic details of the electrochemical interface and charging mechanisms under realistic conditions remains a major challenge. This review explores theoretical methods to describe the equilibrium and dynamic responses of the electric double layer structure and capacitance in electrochemical systems, with special emphasis on recent advances in studying nonclassical behavior of the electric double layer.
Article
Multidisciplinary Sciences
Heping Xie et al.
Summary: This article introduces a method for direct seawater electrolysis for hydrogen production, which can solve the problems of side reactions and corrosion. In the experiment, this method stably operated for over 3200 hours under practical application conditions. The method is efficient, size-flexible, scalable, and has high practical value without increasing the operation cost.
Review
Chemistry, Multidisciplinary
Xiaopeng Wang et al.
Summary: This article provides a comprehensive review of the oxygen redox process in the oxygen evolution reaction (OER) through lattice oxygen oxidation mechanism (LOM), and discusses the characterization techniques used to identify the oxygen redox. It explains the critical advantage and underlying science of LOM compared to the traditional adsorbate evolution mechanism (AEM) in generating higher OER activities. The article also provides insights into future developments in LOM electrocatalysts.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yaoda Liu et al.
Summary: This study presents a method to enhance the efficiency of water electrolysis by using a MoS2/NiPS3 heterostructure catalyst. The driving force of hydrogen spillover (HSo) is clarified as the internal polarization field (IPF), which can also facilitate hydroxyl diffusion in the deprotonated oxygen evolution reaction (OER). The MoS2/NiPS3 heterostructure exhibits high HER and OER activity and can achieve stable overall water splitting.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Ying Zhang et al.
Summary: Precise adjustment of the electronic structure of heterogeneous catalysts is an effective strategy to improve their catalytic properties. In this study, Pd1Ba1/Al2O3 double atom catalysts were prepared to demonstrate the interfacial electronic effect of Pd species induced by Ba single atoms (SAs) as electronic promoters. The introduction of Ba SAs lowered the apparent activation energy of Pd species and promoted H2 dissociation, leading to enhanced catalytic properties in hydrogenation reactions.
Article
Chemistry, Physical
Anuj Kumar Tomar et al.
Summary: Perovskite oxides, especially the triple perovskite SNFM, show great potential as catalysts for water electrocatalysis in alkaline electrolytes. The high performance of SNFM can be attributed to the strong participation of lattice oxygen, low charge transfer resistance, and high oxygen diffusion rate.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Physical
Xiaojun Wang et al.
Summary: This study presents an electronic structure modulating strategy by dispersing RuO2 over defective TiO2 enriched with oxygen vacancies (RuO2/D-TiO2), which significantly enhances the acidic oxygen evolution reaction (OER) kinetics. The as-prepared RuO2/D-TiO2 catalyst exhibits good catalytic activity, low voltage, and long-term stability.
Article
Chemistry, Multidisciplinary
Lina Zhao et al.
Summary: This study demonstrates the rational design of a highly efficient CO2 conversion photocatalyst using a unique single-atom metal-organic framework structure, and the discovery of a new type of heterojunction.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Xiaopeng Wang et al.
Summary: By modifying the electronic states around the Fermi level, an efficient electron transfer process in the oxygen evolution reaction can be achieved. The proposed mechanism involves a switchable metal and oxygen redox chemistry in nickel-oxyhydroxide-based materials with light as the trigger.
Article
Multidisciplinary Sciences
Fanpeng Cheng et al.
Summary: A universal ligand regulation strategy was developed to build well-aligned Ni-BDC-based MOF nanosheet arrays with S introducing, showing enhanced activity and stability for the hydrogen evolution reaction.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Weiwei Fu et al.
Summary: Single-atom catalysts with high loading and stabilization of moderately coordinated Cu-P-3 structure on black phosphorus support have been achieved using a photochemical strategy with auxiliary hydrogen. The single Cu atoms exhibit an exceptional electron-rich feature and synergistic effects with neighboring Cu atoms, leading to improved catalytic activity for the hydrogen evolution reaction.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Ye Zeng et al.
Advanced Energy Materials
(2022)
Review
Chemistry, Multidisciplinary
Jing Zhu et al.
Summary: Due to the excessive consumption of nonrenewable resources, the exploration of effective and durable materials for sustainable energy conversion and storage is highly sought after. Metal-organic frameworks (MOFs) are a new class of hybrid materials that have gained traction in energy-related fields. Vanadium-MOFs (V-MOFs) possess unique structural characteristics and satisfactory electrochemical properties. Furthermore, V-MOFs-derived materials also exhibit superior electrical conductivity and stability when used as electrocatalysts and electrode materials. This review summarizes the research progress and potential applications of V-MOFs and their derivatives in electrochemical energy conversion and storage. Future possibilities and challenges in terms of design and synthesis are also discussed.
Article
Chemistry, Multidisciplinary
Yueqing Wang et al.
Summary: In this study, an in situ confined interface transformation process was used to manipulate the morphology and surface composition of a single metal-organic framework (MOF) for improved electrocatalysis. The resulting Fe-trimesic acid nanodot-embedded nanorods exhibited superior oxygen evolution activity and long-term durability. Intermediates formed on the hierarchical composite structures optimized the binding energy, and uncoordinated carboxylates accelerated the proton transfer process. To address safety concerns, ferricyanide was used as a proton-independent electron reservoir to decouple water electrolysis. This facile and cost-effective interface transformation strategy offers spontaneous control over the MOF structure and composition.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Inorganic & Nuclear
Li Li et al.
Summary: In this study, a nickel derivative of a salen-type Schiff base was pyrolyzed under controlled conditions to form a nano-sized Ni/NiOx core-shell species. The relationship between pyrolysis temperature and electrocatalytic activity was investigated, with an optimized specimen showing promising overpotential and stability in OERs and UORs. Thermal tracking is essential in the design of Ni-derived carbon nanomaterial electrocatalysts associated with OERs/UORs at low potentials.
INORGANIC CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Multidisciplinary
Zexing Wu et al.
Summary: This work presents a facile and industrially compatible corrosion strategy for the rapid synthesis of amorphous RuO2-decorated FeOOH nanosheets. The FF-Na-Ru electrode is superhydrophilic and aerophobic, ensuring intimate contact with the electrolyte and facilitating the escape of gas bubbles during the electrocatalytic process. Strong electronic interactions between RuO2 and FeOOH dramatically improve the electrochemical interfacial properties, leading to excellent catalytic activity towards the hydrogen evolution reaction and overall water-splitting.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Inorganic & Nuclear
Chenchen Qiang et al.
Summary: This study successfully synthesized a new self-supporting electrode with high OER activity and stability. Characterization results indicate that coordinatively unsaturated metal sites are the active sites in OER.
INORGANIC CHEMISTRY
(2021)
Article
Multidisciplinary Sciences
Weiren Cheng et al.
Summary: Insight into the structural evolution of oxygen electrocatalysts, particularly the Br-Ni-MOF, during the OER process reveals significant performance improvements, with the post-formed gamma-NiOOH analog showing high OER performance due to strong electronic coupling between Br and Ni atoms.
Article
Chemistry, Physical
Chao Lin et al.
Summary: The use of Ru/MnO2 electrocatalyst has shown high activity and outstanding stability for the oxygen evolution reaction, confirming a mechanism involving only *O and *OH intermediates, with excellent overall performance.
Review
Multidisciplinary Sciences
Jiong Wang et al.
Summary: Heterogeneous molecular catalysts based on transition metal complexes are increasingly being studied for their potential use in electrochemical energy conversion. This review discusses how tuning the first and second coordination spheres of these complexes can optimize their activities and serve as models for studying the impact of structural variations on activity. Structural tuning, such as adjusting ligated atoms and appending adjacent metal centers or pendant groups, can result in different geometric and electronic configurations of the complexes, ultimately leading to improved activity through stability adjustments and redox behaviors.
Article
Chemistry, Multidisciplinary
Huayu Chen et al.
Summary: In this study, an EBP/CoFeB nanohybrid electrocatalyst with excellent OER performance and stability was developed by balancing oxygen-containing intermediate absorption, enhancing conductivity, and ensuring material stability. The 2D/2D heterostructure showed promising results for facilitating the OER process with an ultralow overpotential and excellent stability, suggesting potential for diverse electrochemical reactions.
Review
Chemistry, Multidisciplinary
Ye Zhang et al.
Summary: The article discusses the research progress of black phosphorus in the field of new materials, focusing on the preparation process, properties, and applications of BP/polymers. Studies have shown that through the BP/polymer strategy, the stability and performance of black phosphorus can be improved, providing new ideas for its applications in areas such as optoelectronics, bio-medicine, and energy storage.
ADVANCED MATERIALS
(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)
Review
Chemistry, Multidisciplinary
Ning Zhang et al.
Summary: The lattice oxygen-mediated mechanism (LOM) derived from lattice oxygen redox chemistry is playing a significant role in solid-state OER electrocatalysts, providing insights into intrinsic activity and surface reconstruction issues, guiding the exploration of efficient electrocatalysts. Strategies for triggering lattice oxygen redox chemistry to promote intrinsic OER activity, along with theoretical calculations and experimental measurements, are crucial in this research area.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Review
Chemistry, Multidisciplinary
Chang-Xin Zhao et al.
Summary: The review addresses the design principles for high-performance noble-metal-free bifunctional oxygen electrocatalysts, emphasizing strategies for intrinsic activity regulation and active site integration. Statistical analysis of reported bifunctional electrocatalysts reveals composition-performance relationships and provides guidance for further exploration of emerging candidates. Perspectives for developing advanced bifunctional oxygen electrocatalysts and aqueous rechargeable metal-air batteries are proposed.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Nanoscience & Nanotechnology
Lijing Wang et al.
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Nanoscience & Nanotechnology
Jiaxin Yuan et al.
NANO-MICRO LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Xingyun Li et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Engineering, Environmental
Tingting Liang et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Energy & Fuels
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Article
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Review
Chemistry, Multidisciplinary
Xiaodong Li et al.
ACCOUNTS OF CHEMICAL RESEARCH
(2020)
Article
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Detao Zhang et al.
JOURNAL OF PHYSICAL CHEMISTRY C
(2020)
Article
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Article
Energy & Fuels
Zhen-Feng Huang et al.
Article
Multidisciplinary Sciences
Kan Zhang et al.
NATURE COMMUNICATIONS
(2019)
Article
Multidisciplinary Sciences
Hao Wang et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2019)
Article
Engineering, Chemical
Trinh Duy Nguyen et al.
Article
Chemistry, Multidisciplinary
Huabin Zhang et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2019)
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Danni Liu et al.
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Multidisciplinary Sciences
Chen Wang et al.
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Multidisciplinary Sciences
J. Tyler Mefford et al.
NATURE COMMUNICATIONS
(2016)
Article
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Shenlong Zhao et al.
