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Article
Energy & Fuels
Jiaxin Guo et al.
Summary: Researchers have developed a new method to directly electrolyze seawater for hydrogen production. By introducing a hard Lewis acid layer on the catalyst surface, they were able to generate local alkalinity, improving the efficiency of water splitting.
Article
Chemistry, Multidisciplinary
Yeshu Tan et al.
Summary: This study fabricates unique heterostructures by depositing platinum nanocrystals on the edge of transition metal phosphide nanosheets, showing outstanding HER performance in an alkaline medium. The heterostructures exhibit low platinum usage amount and excellent stability. Additionally, the study provides a new strategy for designing enhanced HER performance.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Wenli Yu et al.
Summary: An ultralow Pt-decorated Ni-Mo porous material is developed for efficient and robust hydrogen evolution reaction (HER) electrocatalysis under all-pH conditions, showing remarkable catalytic performances and improving clean hydrogen production efficiency.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Kaixi Wang et al.
Summary: A 3D quasi-parallel structure consisting of dense Pt nanoparticles immobilized on oxygen vacancy-rich NiOx heterojunctions has been developed as an alkaline hydrogen evolution reaction (HER) catalyst. The catalyst exhibits extraordinary HER performance with a low overpotential, high mass activity, and long durability. When combined with NiFe-layered double hydroxide, the assembled alkaline electrolyzer requires extremely low voltage and can operate stably for a long time.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Chengang Pei et al.
Summary: This study demonstrates an efficient and stable pH-universal electrocatalyst NiCo2S4/ReS2 for hydrogen evolution reaction. The chemically coupled NiCo2S4 and ReS2 layers induce electron transfer and spin crossover, leading to enhanced water dissociation kinetics and superior alkaline HER activity.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Xuedong He et al.
Summary: Achieving high current density is essential for large-scale hydrogen production by water splitting. However, the development of efficient and stable catalysts has been a challenge. In this study, a Pt-induced NiFe layered double hydroxide (LDH) nanosheet was synthesized and demonstrated excellent catalytic performance for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The introduction of Pt to the NiFe LDH structure modulated the electronic structure and improved the catalytic activity and stability. The findings provide a facile strategy for developing catalysts for large current density water splitting.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Huixiang Liu et al.
Summary: The study developed and fabricated a novel monolithic 3D hollow foam electrode with high catalytic performance and stability for large current density water electrolysis. The electrode exhibits high electrochemical surface area, high conductivity, and low gas transfer resistance, enabling stable operation at high current density and overpotentials.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yan Sun et al.
Summary: This study presents a facile and scalable N-2-plasma strategy to promote the phase transformation of MoS2 nanosheets and improve the electrocatalytic performance. The plasma also facilitates Pt atom diffusion and enhances the production of the 1T phase. The resulting N,Pt-MoS2 nanosheet complexes show excellent alkaline HER activity.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Huachuan Sun et al.
Summary: Real bifunctional electrocatalysts for water splitting should exhibit steady configuration without irreversible structural transformation or surface reconstruction. Through strong metal-support interaction, single-atom dispersed Ru catalysts decorating onto nickel-vanadium LDH scaffold show excellent HER and OER activities without the need for reconstruction. The proposed Ru/Ni3V-LDH is a stable bifunctional electrocatalyst with strong metal-support interaction, suitable for catalyzing water splitting reactions effectively.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Multidisciplinary
Libo Wu et al.
Summary: This study demonstrates a heterogeneous Ni-MoN catalyst with outstanding performance for high-current-density water electrolysis. The catalyst, consisting of nanoparticles and nanorods, possesses abundant active sites and a hydrophilic surface that facilitates gas-release and prevents catalyst degradation. Theoretical calculations confirm the synergistic effect of Ni and MoN, as well as the improved water-dissociation kinetics at the Mo sites.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Huachuan Sun et al.
Summary: This research reports a unique structure consisting of nickel tellurium nanorods enclosed by rhodium hydroxide, which is synthesized through a chemical process. The structure exhibits superhydrophilicity and aerophobicity, enabling efficient hydrogen electrocatalytic reactions in alkaline, neutral, and acidic media. The findings provide insights for the design of high-performance electrocatalysts.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Ruofan Shen et al.
Summary: This study established an oxygen vacancy (VO)-Ti ensemble engineering on a Ru catalyst to enhance the catalytic activity of water dissociation. The VO in the VO-Ti ensemble acts as an electron promoter, transferring electrons to the surface Ru atoms. Experimental results showed that the turnover frequency of 1.5-RTVO-4 in ammonia borane hydrolysis exceeded the benchmark value set by Ru-based catalysts. This research provides a new electronic tuning strategy for enhancing the catalytic activity of metal catalysts towards inert molecule dissociation in the next generation energy chemistry field.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Huai Qin Fu et al.
Summary: This study presents a new approach for water-alkaline electrolysis hydrogen production, which enables the operation at ampere-level current densities under low overpotentials with the use of hydrogen spillover-bridged water dissociation/hydrogen formation processes and synergistically hybridized catalysts. Mechanistic insights critical to enable ampere-level current density operation are revealed through experimental and theoretical studies.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Multidisciplinary Sciences
Hao Tan et al.
Summary: Tuning the local reaction environment can enhance the activity of catalysts. The study found that Pt delta- nanoparticles supported on oxygen vacancy enriched MgO nanosheets can create a local acid-like environment in alkaline medium, leading to excellent hydrogen evolution reaction performances.
NATURE COMMUNICATIONS
(2022)
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.
Article
Chemistry, Physical
Peng Guo et al.
Summary: In this study, a unique electrochemical surface engineering method was used to develop telluride-based catalysts. By adjusting the D-band center of the active site, the catalyst showed enhanced adsorption of intermediates and optimized the pathway for the oxygen evolution reaction. The catalyst achieved a stable current density with an ultralow overpotential in 1 M KOH.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Review
Chemistry, Physical
Liwei Xiong et al.
Summary: This article describes the effects and mechanism of the electronic structure on the electrocatalytic activity and discusses viable strategies to modulate the electronic configuration of electrocatalysts.
Review
Chemistry, Physical
Fang Sun et al.
Summary: In this Review, the authors summarize the fundamentals and recent developments of theoretical insights into the electrocatalytic hydrogen evolution reaction (HER), including mechanistic aspects, key activity descriptors, local environment considerations, and advances beyond the computational hydrogen electrode. Computational and theoretical advances show great potential in identifying active sites and reaction mechanisms for HER. Major challenges ahead will also be discussed.
Article
Chemistry, Physical
Mengmeng Lao et al.
Summary: This article provides an in-depth review of the mechanism and theoretical understanding of alkaline hydrogen evolution reaction (HER), focusing on the role of interface chemistry in tailoring the intrinsic activity of electrocatalysts. The aim is to provide solid guidance for the rational design of advanced alkaline HER electrocatalysts for Anion Exchange Membrane Water Electrolyzers (AEMWEs).
Editorial Material
Multidisciplinary Sciences
Weijie Zhao
NATIONAL SCIENCE REVIEW
(2022)
Article
Multidisciplinary Sciences
Huachuan Sun et al.
Summary: This study reports a multifunctional electrocatalyst, Rh/NiV-LDH, which integrates NiV-LDH and Rh single-atom catalyst for efficient urea electrolysis and hydrogen fuel generation. The electrocatalyst demonstrates excellent activity in both HER and urea oxidation reactions, indicating its potential for wastewater purification and energy conversion. The research provides important insights and references for multifunctional SAC design.
Article
Chemistry, Physical
Huu Tuan Le et al.
Summary: In this study, new electrocatalysts based on 2D anion-intercalated metal hydroxides of Ni-2(OH)(2)(NO3)(2) (2D NiHN) and its derivation caused by the implantation of single platinum atoms (Pt-SA-2D NiHN) are reported. The Pt-SA 1.73-2D NiHN material shows promising HER activities with low Pt loading, while the 2D NiNH requires a higher overpotential for OER. The PtSA-1.73-NiHN and 2D NiHN catalysts are potential candidates for water splitting application.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Multidisciplinary Sciences
Juntao Zhang et al.
Summary: In this study, two-dimensional Ru-based snow-like nanosheets with Ru/RuO2 interface were fabricated and engineered via a post-annealing treatment. The optimized Ru/RuO2 nanosheets showed significantly enhanced catalytic activity for hydrogen oxidation reaction and hydrogen evolution reaction, highlighting their potential as efficient catalysts in fuel cells.
Article
Nanoscience & Nanotechnology
Linfeng Li et al.
Summary: In this study, a novel bifunctional electrocatalyst, a/c-RuO2/Ni0.85Se nanorods, was reported to exhibit excellent HER and OER activities as well as long-term stability, providing a new solution for green hydrogen production.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Multidisciplinary Sciences
Arthur J. Shih et al.
Summary: Electrochemistry, as a solution towards a more sustainable society, plays a crucial role in transforming molecules sustainably with renewable electricity. Collaboration between industry and research laboratories is essential in optimizing systems for scaled-up technology. The importance of clean laboratory-scale operation and data analysis for accuracy and reproducibility cannot be overstated.
NATURE REVIEWS METHODS PRIMERS
(2022)
Article
Chemistry, Physical
Yu-Jia Tang et al.
Summary: This study reports a Fe-doped nickel telluride-nickel phosphide composite grown on a nickel foam substrate, which exhibits superior electrocatalytic performance in the oxygen evolution reaction. The composite forms a dense gamma-NiOOH nanosheet layer on its surface. The synergistic effects among Fe-doping, NiTe, Ni12P5, and the newly formed gamma-NiOOH species increase the proportion of exposed active sites, optimize the binding strengths of OER intermediates, and promote mass/charge transfer, leading to enhanced OER results.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Physical
Huu Tuan Le et al.
Summary: This study introduces new electrocatalysts based on 2D NiHN and its derived Pt-SA-2D NiHN, demonstrating promising hydrogen evolution activity with PtSA-1.73-2D NiHN and efficient overall water splitting when combined with 2D NiHN.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Jiadong Chen et al.
Summary: By modifying the adsorption behavior, a Pt/PtTex heterogeneous catalysis interface was successfully constructed to increase OH* adsorption and reduce H* adsorption, resulting in exceptionally lower Tafel slopes for Pt/PtTex NRs, making them among the best HER electrocatalysts reported.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
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, Physical
Johannes Novak Hansen et al.
Summary: Efforts to find cheap alternatives to platinum for the hydrogen evolution reaction have not yet found a catalyst with intrinsic activity that can compete with platinum. It is important to measure intrinsic catalytic activities and consider the impact of mass-transport limitations on observed activity. Despite achieving the highest turnover frequency for platinum, the true intrinsic HER activity for platinum in acid remains unknown due to mass transport limitations.
ACS ENERGY LETTERS
(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
Multidisciplinary Sciences
Kai Ling Zhou et al.
Summary: Single-atom platinum immobilized NiO/Ni heterostructure acts as a highly efficient alkaline hydrogen evolution catalyst by enabling tunable binding abilities and enhancing water dissociation energy. Constructing hierarchical three-dimensional morphology further enhances the catalytic performance.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Yi Shi et al.
Summary: Tuning the oxidation states of single-atom Pt catalysts through electronic metal-support interaction significantly modulates catalytic activities in either acidic or alkaline environments, establishing the structure-activity relationship and providing guidelines for the rational design of high-performance single-atom catalysts. Insights into the atomic-level mechanistic understanding of acidic and alkaline hydrogen evolution reactions have been obtained through this study.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Xinyao Shan et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Review
Materials Science, Multidisciplinary
Xuesi Wang et al.
Article
Chemistry, Physical
Huachuan Sun et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Chemistry, Multidisciplinary
Yibing Li et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Article
Chemistry, Multidisciplinary
Ziqian Xue et al.
ADVANCED MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Xingxing Yu et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
Editorial Material
Energy & Fuels
Jakob Kibsgaard et al.
Article
Chemistry, Multidisciplinary
Jiayuan Li et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2019)
Article
Chemistry, Multidisciplinary
Guangbo Chen et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Physical
Kai Wang et al.
ADVANCED ENERGY MATERIALS
(2018)
Review
Nanoscience & Nanotechnology
Jumeng Wei et al.
NANO-MICRO LETTERS
(2018)
Article
Chemistry, Multidisciplinary
Kai Tang et al.
ADVANCED MATERIALS
(2018)
Review
Multidisciplinary Sciences
Zhi Wei Seh et al.
Article
Chemistry, Multidisciplinary
Yingjie Li et al.
ADVANCED FUNCTIONAL MATERIALS
(2015)
Review
Multidisciplinary Sciences
Steven Chu et al.
Article
Multidisciplinary Sciences
Ram Subbaraman et al.
