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ADVANCED ENERGY MATERIALS
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CHINESE JOURNAL OF CATALYSIS
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Yunmei Du et al.
Summary: This review provides a systematic introduction to the development of heterostructure catalysts, including interface classification, interface growth and synthesis, and regulation of electrocatalytic performance based on the interfacial microenvironment. It offers useful insights on the design and construction of interfacial models.
Review
Chemistry, Physical
Gao Chen et al.
Summary: This review summarizes the role of chemical driving force in electrocatalytic water splitting and discusses its effects on surface reconstruction, reaction rate/mechanism, and interfacial redox reactions. Understanding the chemical driving force can aid in the design of advanced energy materials.
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Xiao-Xiao Li et al.
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Review
Chemistry, Multidisciplinary
Wenchuan Lai et al.
Summary: This review emphasizes the dynamic evolution of active sites in electrocatalytic CO2 reduction reaction (CO2RR) and its relationship with catalytic performance. The fundamental principles and operando techniques for studying dynamic evolution are first discussed, followed by the exploration of dynamic evolution behaviors and their correlations with catalytic properties on typical catalysts. Finally, the emerging technique for manipulating dynamic evolution and future opportunities are considered.
ADVANCED FUNCTIONAL MATERIALS
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Shilong Jiao et al.
Summary: Closing the carbon, hydrogen, and nitrogen cycle with renewable electricity offers potential solutions for the current environmental and energy crisis, while also supporting the continued prosperity of human society. Descriptors play a crucial role in bridging the gap between the physicochemical factors of electrocatalysts and their enhanced activity, providing guiding principles for the rational design process. By following indicators like d-band center, Delta G(H), E-O*, coordination number (CN), and bond length, it is possible to access the optimal adsorption strength of key intermediates.
ADVANCED FUNCTIONAL MATERIALS
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Bin Wang et al.
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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
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Danyang He et al.
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CHINESE CHEMICAL LETTERS
(2022)
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Lingzhe Fang et al.
Summary: Nanostructured materials have distinct properties from their bulk counterparts, and the nucleation/growth mechanism during synthesis and the changes in working state are summarized. In situ/operando XAS and SAXS provide high resolution for monitoring the evolution of nanomaterials.
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Angus Pedersen et al.
Summary: This review examines the research progress of dual-metal atom catalysts in electrochemistry, including their advantages, current challenges, and future research directions.
ADVANCED ENERGY MATERIALS
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Feng Zeng et al.
Summary: This review summarizes the recent progress in the stability and deactivation mechanisms of OER catalysts. The correlation between OER activity and stability, methodologies and experimental techniques for studying stability and deactivation, as well as factors influencing stability are discussed. Strategies for stabilizing and regenerating OER catalysts, as well as methods for predicting stability, are also summarized. Furthermore, the review highlights emerging methodologies yet to be explored and future directions for stability studies and the design of highly stable OER catalysts.
JOURNAL OF ENERGY CHEMISTRY
(2022)
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Hyunjoong Kim et al.
Summary: Noble metal-based multimetallic nanoparticles (NMMNs) have multifunctional and synergistic effects for various catalytic applications. Experimental and theoretical studies can tune the performance of nanoparticles. Challenges remain in synthesizing NMMNs with ideal catalytic characteristics.
Review
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Charlotte Vogt et al.
Summary: Catalysis is essential in chemistry, enabling the production of various goods and facilitating the shift towards a renewable and circular society. This article explores the concept of active sites in catalysis, discussing different approaches and comparing catalytic concepts from enzymatic and homogeneous catalysis. It highlights the challenge of defining active sites in solid catalysts and emphasizes the need to tailor their functioning according to different parameters.
NATURE REVIEWS CHEMISTRY
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JOURNAL OF THE KOREAN CERAMIC SOCIETY
(2022)
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Shenlong Zhao et al.
Summary: Studying the structure-activity correlations of electrocatalysts is crucial for improving the conversion of electrical to chemical energy. Recent evidence obtained through operando characterization techniques shows that the structural evolution of catalysts, caused by their interaction with electric fields, electrolytes, and reactants/intermediates, leads to the formation of real active sites. It is therefore important to summarize the research advances in structural evolution and envision future developments. In this Minireview, the fundamental concepts associated with structural evolution, the triggers of this evolution, and advanced operando characterizations are discussed. The reversibility of structural evolution in heterogeneous electrocatalysis, with a focus on the oxygen evolution and CO2 reduction reactions, is also highlighted. Finally, the key challenges and opportunities in this exciting field are presented.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
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Mingquan Yu et al.
Summary: Water electrolysis for green hydrogen production is crucial for a circular economy, but supply of sustainable electricity and availability of OER electrocatalysts are major bottlenecks. Co-, Ni-, and Fe-based catalysts are considered potential candidates to replace noble metals due to their versatility, abundance, and tunable electron configurations.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
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Article
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Chuang Li et al.
Summary: This paper successfully designs Ru/MoO2_x catalyst for the alkaline hydrogen evolution reaction, addressing the insufficient electrochemical activity of MoO2 and weak adsorption/dissociation abilities of Ru. The specific structure design incorporating Ru-O-Mo sites and oxygen-vacancy-enriched MoO2 enables the catalyst to exhibit excellent electrocatalytic activity.
APPLIED CATALYSIS B-ENVIRONMENTAL
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Jie Dai et al.
Summary: This study presents the design of a Pt-containing complex oxide that utilizes atomic-scale hydrogen spillover to promote H-2 evolution electrocatalysis in acidic media. Experimental and theoretical calculations reveal the hydrogen evolution pathway and mechanism facilitated by hydrogen spillover, demonstrating the excellent performance and enhanced durability of the complex oxide catalyst compared to commercial ones.
NATURE COMMUNICATIONS
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Xianfeng Huang et al.
Summary: High-entropy-alloy nanoparticles (HEA-NPs) have shown great potential in catalysis, particularly in electrocatalysis. This review summarizes the recent advances in noble-metal-based HEA-NPs for various electrocatalytic reactions, including hydrogen evolution reaction, oxygen evolution reaction, oxygen reduction reaction, methanol oxidation reaction, ethanol oxidation reaction, formic acid oxidation reaction, hydrogen oxidation reaction, carbon dioxide reduction reaction, and nitrogen reduction reaction. The reaction mechanisms, catalyst structures, and structure-property relationships are discussed.
JOURNAL OF ENERGY CHEMISTRY
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Daqin Guan et al.
Summary: This study introduces tensile strain into perovskite materials through a facile thermochemical reduction method, improving material performance in the oxygen-evolving reaction. By modulating solid-liquid tension, the hydrophobic perovskite is transformed into a hydrophilic one, enhancing the adsorption of hydroxyl reactants. Surface-sensitive and bulk-sensitive absorption spectra confirm the effectiveness of this strategy in introducing oxygen vacancies and transforming local structures. Theoretical computations reveal reduced energy barriers for hydroxyl adsorption and optimized electron transport.
APPLIED PHYSICS REVIEWS
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Yun-Hyuk Choi
Summary: We report the high electrocatalytic activity of monoclinic VO2 (M1 phase) for the oxygen evolution reaction (OER) for the first time. The uniformly covering VO2 (M1) nanoparticles on the surface of carbon fibers show a low eta(10) and Tafel slope in a 1 M aqueous solution of KOH.
Review
Chemistry, Multidisciplinary
Chongyi Ling et al.
Summary: This review introduces and discusses how computations accelerate the discovery of electrocatalysts, providing insights and guidelines. By using typical examples, the advances in theoretical investigations for identifying active sites, understanding reaction mechanisms, and activity origin are summarized. The design principles and screening strategies for superior electrocatalysts are highlighted, and future perspectives in this field are outlined.
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
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Article
Chemistry, Multidisciplinary
Shijie Shen et al.
Summary: This study reveals that the genuine active sites for the hydrogen evolution reaction in LaRuSi are Si sites, not the usually assumed Ru sites. Si sites have a moderate Gibbs free energy of hydrogen adsorption, which is significant for the HER process. Based on this, LaRuSi exhibits an overpotential close to Pt/C.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Jiachen Zhang et al.
Summary: In this study, a competitive adsorption strategy was used to construct Ru SAs-SnO2/C catalysts for improved alkaline hydrogen evolution reaction (HER) performance. By regulating the interaction strength between Ru and OHad, the poisoning of Ru sites was alleviated, resulting in low overpotential and low Tafel slope.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Olivia Basu et al.
Summary: Controlled incorporation of missing-linker defect sites in metal-organic frameworks (MOFs) significantly enhances proton conductivity, with MOF-808 C achieving the highest value reported to date. The introduction of defects modifies various properties to induce super-protonic conductivity. Furthermore, an assembly of this super proton-conducting MOF with a hydrogen evolution reaction (HER) catalyst exhibits lower overpotential requirements, indicating improved catalytic activity.
CHEMISTRY OF MATERIALS
(2022)
Article
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Xinjian Shi et al.
Summary: Electrolysis coupled with renewable energy is crucial for green hydrogen production and deep decarbonization. In this study, we designed a highly active and acid-stable catalyst involving iridium-tungsten trioxide (Ir:WO3/Ir), which showed excellent performance in terms of activity and stability. Our work provides an effective strategy to obtain low-cost, durable, and efficient OER catalysts for broader adoption of PEM electrolyzers.
ACS ENERGY LETTERS
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Article
Nanoscience & Nanotechnology
Sanzhao Song et al.
Summary: This study presents a highly active and stable CoOOH/brownmillerite-derived Co-based precatalyst, which exhibits rational control over the surface/bulk structure as well as the concentration of active sites. It shows low overpotential and high stability in alkaline electrolyte, making it a potential candidate for oxygen evolution reaction.
ACS APPLIED MATERIALS & INTERFACES
(2022)
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Chemistry, Multidisciplinary
Yonggui Zhao et al.
Summary: In this study, a sulfur heteroatom tuning strategy was introduced to optimize the performance of active Ni and Fe centers in coordination polymer catalysts. The sulfur engineering of Ni/Fe-CPs was found to facilitate dioxygen formation by optimizing the local electronic structure of their active centers. The sulfur-doped Ni/Fe-CPs showed higher OER activity compared to sulfur-free NiFe-based electrocatalysts.
Review
Chemistry, Multidisciplinary
Wei Li et al.
Summary: The electrocatalytic performance of nanomaterials can be enhanced by fine-tuning the coordination environment and number of low-coordination atoms. Confinement engineering, which modulates electron transfer properties, atomic arrangement, and molecular structure in a confined region, is an effective strategy for precise chemical synthesis of electrocatalysts. It not only alters the coordination environments to adjust the formation mechanism of active centers, but also regulates the physicochemical properties of electrocatalysts. This optimization leads to improved performance in terms of activity, stability, and selectivity by optimizing the nucleation, transportation, and stabilization of intermediate species.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
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Haijuan Zhang et al.
Summary: This study synthesizes a unique self-assembled hybrid nanorod by combining corner-sharing and edge-sharing networks. The hybrid nanorod exhibits high electrocatalytic performance in oxygen-evolving reaction, attributed to the high Co valence and short distance between metal active sites. Multiple characterizations and computational studies reveal the important roles of edge-sharing units and corner-sharing motifs in lattice-oxygen mechanism and electron transport, respectively.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yanping Zhu et al.
Summary: This study demonstrates the excellent performance of an electrocatalyst with a hetero-atomic pair confined on a tungsten phosphide (WP) substrate for the oxygen evolution reaction (OER) under alkaline conditions. The Lewis acidic Fe3+ site promotes the deprotonation of coordinated water and enhances electron and proton transfer. The contribution from the WP substrate modulates the hydroxide transfer, leading to remarkable OER performance.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Review
Chemistry, Multidisciplinary
Liang Han et al.
Summary: This review summarizes the leading-edge development, synthetic strategies, and structural advantages of perovskite oxide-based coupled nanocomposites. It discusses their potential in energy-related applications and provides insights into the current scientific issues and opportunities in this field.
Article
Multidisciplinary Sciences
Jiadong Chen et al.
Summary: In this study, the integration of Ru nanoparticles on oxygen-deficient WO3-x was found to greatly enhance the activity of hydrogen evolution reaction. Oxygen-deficient WO3-x has a large capacity for storing protons, which increases the hydrogen coverage on the surface of Ru nanoparticles.
NATURE COMMUNICATIONS
(2022)
Review
Chemistry, Physical
Dafeng Yan et al.
Summary: This review focuses on cation vacancy defects in transition metal-based electrocatalysts and summarizes the latest progress in cation vacancy defect engineering for the electrocatalytic oxygen evolution reaction (OER). The effects of cation vacancy defects on OER are discussed, including improving conductivity, optimizing the adsorption of intermediates, guiding surface reconstruction, and enhancing long-term stability. Methods to construct cation vacancy defects and characterize them on different electrocatalysts are introduced. This review also proposes the remaining challenges and future prospects of cation vacancy defect engineering for promoting OER performance.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Physical
Han-Wen Cheng et al.
Summary: This review emphasizes the latest insights into heterogeneous catalysts under relevant reaction conditions using in situ/operando transmission electron microscopic techniques. By discussing atomic-scale and nanoscale details, it highlights the challenges and opportunities in terms of catalytic properties and design applications.
ADVANCED ENERGY MATERIALS
(2022)
Review
Energy & Fuels
Xiaomin Xu et al.
Summary: This article presents the application of high-entropy materials in water electrolysis, focusing on their role in catalyzing water-splitting reactions. The article summarizes various design strategies for high-entropy materials, including controlling size and shape, constructing porous structures, engineering defects, etc., to enhance catalytic performance. Additionally, it points out the challenges faced in the field and suggests future perspectives for development.
Article
Energy & Fuels
Shuo Zhai et al.
Summary: The authors introduce a machine learning-driven approach to accelerate the discovery of efficient oxygen reduction electrodes for ceramic fuel cells by utilizing ionic Lewis acid strength as an effective physical descriptor. Experimental validation confirms the superior activity metrics of four oxides out of 6,871 distinct perovskite compositions, highlighting the importance of ISA in improving oxygen reduction reaction activity in perovskite oxides.
Article
Chemistry, Physical
Jiayi Tang et al.
Summary: This study demonstrates that versatile perovskite-based oxides can be developed into low-cost, highly active, and durable electrocatalysts for high current density water splitting, which is of great importance for large-scale hydrogen production.
Article
Nanoscience & Nanotechnology
Qing Dong et al.
Summary: In this work, a bifunctional composite Cu-Fe2O3/PNC was synthesized and exhibited excellent catalytic activity in both ORR and OER. The ZAB assembled with Cu-Fe2O3/PNC showed a high-power density and long-term stability. The interaction between Cu and Fe2O3 and the concentration of surface oxygen vacancies were crucial for its excellent performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Chunyang Yin et al.
Summary: Researchers have summarized the application of Cu-based bimetallic catalysts in CO2 reduction reactions. By altering the electronic environment of the catalysts, selectivity can be improved, leading to the generation of high value-added products.
ADVANCED POWDER MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Yufei Jia et al.
Summary: The extensive consumption of fossil fuels has led to a rapid increase in atmospheric CO2 levels, necessitating the development of a clean and efficient technology for CO2 conversion. Copper, as the only metal capable of catalyzing the conversion of CO2 to multi-carbon products, has attracted considerable attention. However, single copper-based catalysts suffer from slow reaction kinetics, low product selectivity, and poor stability, which can be addressed by introducing a second metal. This review summarizes recent progress in Cu-based bimetallic electrocatalysts for CO2 reduction, discussing the effects of composition and structure on their activity and selectivity, and outlining the challenges and prospects in this field.
ADVANCED POWDER MATERIALS
(2022)
Review
Materials Science, Multidisciplinary
Jiaxin Li et al.
Summary: This article reviews the recent advances in the application of Ni-based powder catalysts for urea oxidation in assisting water splitting. The fundamentals of urea oxidation and evaluation indicators are presented, and the design principles and fabrication approaches of the catalysts are discussed. The advances, problems, and challenges of various Ni-based powder catalysts are summarized. The article emphasizes the importance of understanding the structure-property relationship and developing multi-functional Ni-based powder catalysts for real device applications.
ADVANCED POWDER MATERIALS
(2022)
Article
Chemistry, Physical
Stephan N. Steinmann et al.
Summary: Autonomous atomistic computations are valuable tools for accelerating the development of heterogeneous (electro-)catalysts. High-throughput screening using databases, workflow managers, and machine-learning techniques has made significant progress in identifying promising catalyst materials. However, challenges remain in addressing catalyst surface modification, stability under realistic conditions, and accounting for solvent effects. Further advancements are also needed for investigating active sites of amorphous catalysts.
Review
Chemistry, Physical
Haifang Shen et al.
Summary: The hydrogen spillover effect (HSPE) plays a significant role in heterogeneous catalysis and hydrogen storage, influencing the properties and performance of porous nanomaterials as well as multiphase catalytic reactions. Recent advancements in characterization techniques have provided valuable insights into understanding the HSPE.
GREEN ENERGY & ENVIRONMENT
(2022)
Review
Chemistry, Multidisciplinary
Zhehao Sun et al.
Summary: This review discusses the applications of machine learning in accelerating calculation and aiding electrocatalyst design. It presents methods of using machine learning to accelerate calculation and introduces its applications in electrocatalyst design. The opportunities and challenges for future design are also summarized.
Review
Materials Science, Multidisciplinary
Wenfang Zhai et al.
Summary: Developing new methodologies for producing clean and renewable energy is crucial for carbon-neutral initiatives. This review focuses on the long-term stability of hydrogen evolution reaction (HER) electrocatalysts and summarizes the research progress in this area. Challenges and future perspectives are also discussed.
Article
Chemistry, Multidisciplinary
Mengyang Li et al.
Summary: Designing efficient bifunctional catalysts for overall water splitting is important for generating hydrogen. This study provides an atomistic-level understanding of the mechanism mediated by C-60-supported vanadium single atoms, revealing the reaction pathways and key intermediates involved. The study also highlights the role of C-60 support in facilitating the reaction and its unique electron donating/accepting ability.
CELL REPORTS PHYSICAL SCIENCE
(2022)
Review
Chemistry, Multidisciplinary
Marian Chatenet et al.
Summary: This article explores the use of hydrogen as a sustainable energy carrier, focusing on electrocatalytic water splitting. It covers the fundamentals of the process, the latest scientific findings, and the current industrial processes and large-scale applications. The article also discusses strategies for optimizing electrode materials and includes a technoeconomic analysis of water electrolysis. Overall, it aims to promote collaboration and exchange among researchers in different fields.
CHEMICAL SOCIETY REVIEWS
(2022)
Article
Chemistry, Physical
Chih-Chieh Cheng et al.
Summary: Enhancing the catalytic efficiency of single atom catalysts through engineering active site environments is effective. However, substituting carbon with nitrogen in the coordination environment decreases the catalytic efficiency for the hydrogen evolution reaction.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Materials Science, Multidisciplinary
Zhijuan Li et al.
Summary: In this study, a promising strategy utilizing organometallic coordination polymers is proposed to construct highly active and stable catalysts for oxygen evolution reaction (OER). By controlling the thickness of the carbon layer, the optimized Ni3Fe@N-C catalyst exhibits low overpotentials, improved kinetics, and long-term stability. This research provides a new approach for developing efficient and cost-effective catalysts.
ADVANCED POWDER MATERIALS
(2022)
Review
Chemistry, Physical
Yang Luo et al.
Summary: This paper provides a comprehensive review on the current status of hydrogen production and fuel cell technologies, explores the potential of plasma surface modification for electrocatalysts, and discusses the relationship between defects and catalytic activity, as well as the challenges and opportunities of plasma technologies in hydrogen energy development.
Review
Chemistry, Applied
Heng-Quan Chen et al.
Summary: This review summarizes recent applications of in situ Raman spectroscopy and X-ray absorption spectroscopy for various nano-and single-atom catalysts in energy-related reactions, including oxygen reduction, oxygen evolution, and CO2 reduction. Notable achievements such as the capture of oxygen-containing intermediate species and the detection of catalyst structural transformations are highlighted.
CHINESE JOURNAL OF CATALYSIS
(2022)
Review
Materials Science, Multidisciplinary
Xiaobin Liao et al.
Summary: This article discusses the potential of producing fuels and high-value chemicals through electrochemical conversion processes and highlights the importance of catalysts in advanced energy conversion technologies. It also explores the progress of Density Functional Theory (DFT) as a computational tool and the key descriptors and analysis tools for evaluating electrocatalytic performances.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Review
Chemistry, Physical
Haifang Shen et al.
Summary: The hydrogen spillover effect (HSPE) is an important interfacial phenomenon in heterogeneous catalysis and hydrogen storage, influencing the performance of porous nanomaterials. Advanced characterization techniques have improved our understanding of the HSPE, leading to insights into its impact on hydrogen storage performance and catalysis. This review discusses the potential, opportunities, and challenges in the research area of hydrogen spillover.
GREEN ENERGY & ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Gao-Lei Hou et al.
Summary: Understanding the water splitting mechanism catalyzed by supported metal atoms or nanoparticles is crucial for designing efficient catalysts. In this study, infrared spectroscopy was used to investigate the water splitting process assisted by a C-60 supported vanadium atom, revealing the formation of H-2 from C60V+(H2O) to C60VO+. The C-60 support plays a key role in lowering the reaction barrier and improving the reaction efficiency.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Review
Chemistry, Multidisciplinary
Hainan Sun et al.
Summary: This review focuses on the design strategies of heterogeneous electrocatalysts based on high-valence metal sites, emphasizing the importance of high-valence metal sites and structural modulation in water splitting. Advanced in situ and operando techniques are highlighted for tracking high-valence metal-based active sites, with proposed future research directions.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Yuqin Zou et al.
Summary: The electrochemical carbon dioxide reduction reaction is a promising method to convert greenhouse gases into useful fuels and chemicals, but it faces challenges such as low selectivity, high overpotential, and low reaction rate. Identifying active sites in this reaction is crucial for improving catalyst selectivity and stability. This review discusses in situ characterization of active sites, proposed reaction pathways, and real active sites for different types of electrocatalysts in the CO2RR, offering insights for further scientific development and practical applications.
Article
Chemistry, Multidisciplinary
Shijie Shen et al.
Summary: Optimizing the hydrogen adsorption Gibbs free energy of active sites is crucial for improving the overpotential of electrocatalytic hydrogen evolution reaction. Sulfur-doped Co0.85Se composite with reversed active sites shows enhanced electrocatalytic HER performance compared to other Co0.85Se-based electrocatalysts. This work provides inspiration for optimizing the intrinsic HER activity of related transition metal chalcogenides.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Review
Energy & Fuels
Hainan Sun et al.
Summary: Perovskite oxides play a crucial role in energy conversion and storage systems as functional materials. X-ray absorption spectroscopy is a powerful tool for analyzing the structure and environment of electrocatalysts. Future development should focus on advanced techniques and challenges in the field.
Article
Chemistry, Physical
Jianxin Kang et al.
Summary: Monolayer materials offer an extra degree of freedom to modulate electronic structures and catalytic performances, promoting dynamic active site generation for the oxygen evolution reaction at lower potentials. Lattice doping with cobalt tunes the electronic structure and reduces overpotential, while in situ experiments reveal valence state oscillation in NiCo hydroxides as a fundamental mechanism for active site generation.
Article
Chemistry, Multidisciplinary
Lili Li et al.
Summary: This study investigates the catalytic mechanism of ordered OER active Co and Ir ions in Sr2CoIrO6-δ, achieving unprecedented low overpotential and high catalytic performance. Experimental results show gradual conversion of Ir4+ ions to Ir5+/6+ and part of Co3+ ions to Co4+, while density functional theory calculations reveal the ordered Co-O-Ir network as the origin of ultrahigh OER activity. These findings open a promising pathway to overcome the sluggish kinetics of OER bottleneck for water splitting by proper arrangements of multi-active sites in the catalyst.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Review
Energy & Fuels
Xiaomin Xu et al.
Summary: Energy storage and conversion technologies are crucial in achieving a carbon-neutral energy future, with functional materials playing a key role in improving overall energy efficiency. BSCF, as a potential candidate material, has garnered significant attention in energy applications and holds promise for further advancements in the future.
Review
Chemistry, Multidisciplinary
Dong Liu et al.
Summary: Perovskite oxides are studied as electrocatalysts for oxygen evolution reactions due to their low cost, customizable structure, high stability, and good catalytic activity. Two main challenges for efficient OER performance are limited active sites and low electrical conductivity, which can be overcome by strategies such as composition engineering, crystal facet control, morphology modulation, defect engineering, and hybridization. The review comprehensively summarizes recent developments in enhancing catalytic activities of perovskite oxide-based electrocatalysts for practical applications in OER.
Article
Chemistry, Multidisciplinary
Xiaomin Xu et al.
Summary: This study presents a strategy of cation deficiency-promoted phase separation to design perovskite-based composites with significantly enhanced water oxidation kinetics compared to single-phase counterparts. The composite catalyst outperforms known perovskite oxide systems and state-of-the-art catalysts by 1-3 orders of magnitude, demonstrating a simple and viable approach to developing high-performance, perovskite-based composite catalysts for electrochemical energy conversion.
Review
Chemistry, Physical
Hainan Sun et al.
Summary: This article discusses the fundamental strategy of tuning material properties by modulating the arrangement of atoms and designing high-performance electrocatalysts based on structurally ordered materials. It also summarizes recent progress in utilizing structurally ordered materials as efficient electrocatalysts in various electrochemical reactions. Through advanced characterization techniques and electrochemical measurements, the advantages of structurally ordered materials in enhancing electrocatalytic activity are highlighted, along with discussions on the structure-activity relationship and future challenges in this field.
ADVANCED ENERGY MATERIALS
(2021)
Review
Chemistry, Physical
Feng-Yang Chen et al.
Summary: This review summarizes critical mechanisms that could influence the stability of the oxygen evolution reaction (OER) and discusses the importance of stability in large-scale electrolysis industrialization. Additionally, it provides catalyst and reactor design principles for overcoming OER stability challenges.
Review
Chemistry, Multidisciplinary
Xiaomin Xu et al.
Summary: Proton exchange membrane (PEM) water electrolysis is a promising technology for green hydrogen production, but the slow reaction kinetics of the anodic oxygen evolution reaction (OER) in an acidic environment hinders its practical viability. Noble metal-based catalysts like iridium and ruthenium are effective for the acidic OER, but their low abundance and high cost pose challenges for their use in PEM electrolyzers. Metal-organic frameworks (MOFs) have emerged as a platform for designing efficient and cost-effective acidic OER catalysts, with promising future research directions towards better catalysts for operation in acidic environments and PEM devices.
Article
Chemistry, Multidisciplinary
Rongming Cai et al.
Summary: The study presents a hybrid catalyst synthesized through electrochemical transformation, which can effectively enhance the activity and selectivity of copper-based catalysts in the CO2 reduction reaction. By anchoring 2D-Cu metallic dots on F-doped CuxO nanoplates, the hybrid catalyst achieved high efficiency in generating CH3COO- at extremely low potentials.
Article
Chemistry, Multidisciplinary
Chao Su et al.
Summary: This article discusses the importance of functional materials, particularly highly efficient and cost-effective electrocatalysts, in clean energy conversion technologies. It highlights the use of perovskite oxides with cation deficiency as key materials for optimizing catalytic activity in various energy conversion and storage applications. By tailoring the intrinsic properties of perovskites through cation deficiency, improvements in sintering behavior and catalytic activity are achieved, ultimately leading to significant enhancements in the performance of energy conversion systems.
ACCOUNTS OF MATERIALS RESEARCH
(2021)
Review
Chemistry, Physical
Hainan Sun et al.
Summary: This review presents the recent progress in doped ruthenium oxides as high-efficiency electrocatalysts for the oxygen evolution reaction, with various types of dopants and design strategies summarized. Optimizing the composition of RuO2 can lead to enhanced catalytic activity and excellent stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Materials Science, Multidisciplinary
Wen-Yi Huo et al.
Summary: High-entropy materials have shown remarkable properties for electrocatalytic water splitting applications, being considered as one of the best electrocatalysts due to the synergy of multiple metal components. Several nontraditional methods have been developed to prepare high-performance high-entropy materials, breaking the limitations of traditional materials design concepts.
Review
Chemistry, Multidisciplinary
Yanping Zhu et al.
Summary: Recent research on electrochemical OER and CO2RR has shifted from optimizing catalyst materials to elucidating the true active sites of catalysts and understanding the mechanisms behind complex reactions; in situ/operando characterization techniques have played a crucial role in achieving this goal.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Yinlong Zhu et al.
ADVANCED MATERIALS
(2020)
Review
Chemistry, Multidisciplinary
Joohyuk Park et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Review
Chemistry, Multidisciplinary
Stefan Popovic et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Multidisciplinary
Hainan Sun et al.
Review
Energy & Fuels
Hainan Sun et al.
Article
Chemistry, Physical
Luhong Fu et al.
Article
Chemistry, Multidisciplinary
Kenta Kawashima et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Review
Chemistry, Physical
Jingbin Huang et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Review
Chemistry, Multidisciplinary
Jian Wang et al.
CHEMICAL SOCIETY REVIEWS
(2020)
Article
Multidisciplinary Sciences
Jie Dai et al.
NATURE COMMUNICATIONS
(2020)
Review
Chemistry, Multidisciplinary
Yinlong Zhu et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Review
Chemistry, Multidisciplinary
Kaiyue Zhu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Chemistry, Physical
Cui-Hong Chen et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Physical
Jie Yu et al.
Article
Chemistry, Physical
Zhen Zhang et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Review
Materials Science, Multidisciplinary
Zhen-Feng Huang et al.
Review
Chemistry, Multidisciplinary
Min Kuang et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Review
Chemistry, Physical
Xiaomin Xu et al.
Article
Chemistry, Physical
Linfeng Pan et al.
Review
Multidisciplinary Sciences
Zhi Wei Seh et al.
Article
Chemistry, Multidisciplinary
Yanshuo Jin et al.
ADVANCED MATERIALS
(2016)
Article
Chemistry, Multidisciplinary
Yufei Zhao et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2016)
Article
Multidisciplinary Sciences
Bo Zhang et al.
Article
Chemistry, Physical
Xiaodan Jia et al.
ADVANCED ENERGY MATERIALS
(2016)
Article
Chemistry, Multidisciplinary
Jakob Kibsgaard et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2015)
Article
Chemistry, Physical
Ching-Fong Chen et al.
