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Article
Chemistry, Multidisciplinary
Shijie Shen et al.
Summary: This study achieves deep optimization of catalytic activity by constructing a crystalline-amorphous CoSe2/CoP heterojunction, optimizing the valence state and H adsorption of Co, and lowering the kinetic barrier of the hydrogen evolution reaction. The heterojunction shows competitive properties in acidic, neutral, and basic media.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Zihuan Yu et al.
Summary: This study fabricates a novel electrocatalyst MoOxSy/Ni3S2/NF, which promotes the hydrogen evolution reaction and exhibits comparable performance to Pt-C/NF under acidic conditions.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Bing Zhang et al.
Summary: This study successfully prepared an anemone-like CoP@CoOOH core-shell heterojunction catalyst using oxygen-vacancy and core-shell heterojunction engineering strategy, which exhibited excellent HER and OER activities in both neutral and alkaline media. The core-shell heterojunction accelerated the catalytic kinetics, while oxygen-vacancies reduced the kinetic barrier, ultimately enhancing the OER performance.
Article
Chemistry, Multidisciplinary
Jiao Liu et al.
Summary: In this study, a series of noble metal-doped ultra-small size (4 nm) M-Ni/NiO nanoparticles supported on CNT were designed using a solvent-free microwave reduction method. The catalysts showed high intrinsic activity and stability in the alkaline hydrogen evolution reaction (HER). The performance of Ir-Ni/NiO@CNT was particularly superior, with low overpotential, high turnover frequency, and exchange current density. Density functional theory further validated the catalyst's excellent performance.
Article
Chemistry, Physical
Peng Tang et al.
Summary: This work presents a mechanistic study of platinum single-site catalysts using operando synchrotron-X-ray absorption spectroscopy. The results reveal the evolution of the bonding environment of platinum during operation. It is found that under a negatively biased potential, the Pt-N bonds break first, followed by the Pt-Cl bonds. The platinum is reduced to metallic platinum by the onset of the hydrogen-evolution reaction, and platinum agglomerates are formed. This study provides important insights into the deactivation mechanism of platinum single-site catalysts over time.
Article
Chemistry, Physical
Lei Gao et al.
Summary: Alloying noble metal catalysts with early transition metals has great potential for enhancing catalytic activity and durability. However, the low reduction potential of the early transition metals presents challenges for synthesizing such alloy catalysts. In this study, an autocatalytic surface reduction-assisted strategy was used to controllably synthesize ultrathin PtW alloy nanowires. The resulting catalyst exhibited excellent catalytic performance, making it among the most active catalysts.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Xiaodong Shao et al.
Summary: Hydrogen generation by electrolysis of water in an alkaline solution is a promising technology for clean hydrogen energy. Amorphous materials show much better performance than their crystalline counterparts. A recent study successfully synthesized a series of amorphous transition metal nanoparticles using a twisted covalent organic network, demonstrating excellent performance and stability in the hydrogen evolution reaction.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Jiangchao Liu et al.
Summary: This study systematically investigates the regulation of hydrogen adsorption by d-d orbital interaction of metallic tungsten dioxide and demonstrates that optimizing hydrogen adsorption via d-d orbital modulation is an effective approach to developing efficient and robust catalysts.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Peiyun Zhou et al.
Summary: A general method for preparing efficient noble metal-free electrocatalysts for hydrogen evolution reaction (HER) was proposed. The introduction of W atoms optimized the electronic structure and enhanced the activity and exposure of active sites, resulting in low overpotentials. This strategy can also be applied to other metals.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Physical
Onyu Jung et al.
Summary: Utilizing formate and borate as buffers, stable HER kinetics were analyzed on gold and platinum catalysts, revealing activation-controlled kinetic data between pH 1 and 12. The study found that the reaction order in H3O+ is fractional across the pH range due to intermediate metal-H coverage, suggesting efficiency loss arises from slow proton-coupled electron transfer (PCET) of H2O versus H3O+.
Article
Chemistry, Physical
Tian Meng et al.
Summary: Metal organic frameworks (MOFs) and their derivatives have garnered attention for their wide range of applications, particularly in water-splitting devices and fuel cells. This study successfully synthesized NiRu dual-phase alloy nanoparticles through in situ MOFs hydrolysis, highlighting the advantages of optimizing alloy structure for enhanced hydrogen evolution reaction activity. The findings contribute to expanding the scope of applications for MOFs hydrolysis reactions.
Article
Nanoscience & Nanotechnology
Liangbin Xia et al.
Summary: WS2@Co9S8, prepared by inhibiting WS2 growth using Co-based zeolite imidazole framework (ZIF-67), showed excellent catalytic activity for OER and HER, with an OER potential only 15 mV higher than that of RuO2.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Ran Wang et al.
Summary: Developing abundant and efficient electrocatalysts is crucial for the hydrogen energy society. Two-dimensional high-entropy metal phosphorus trichalcogenides serve as excellent catalytic platforms and have demonstrated enhanced HER performance. The combination of high-entropy alloys and 2D materials provides an alternative pathway to design superior catalysts for various electrochemical systems.
Article
Chemistry, Multidisciplinary
Xunfu Zhou et al.
Summary: In this study, a bifunctional catalyst MoC@NC was synthesized by in situ synthesis and immobilization of molybdenum carbide (MoC) quantum dots onto N-doped porous carbon. The catalyst exhibited excellent efficiency and activity in electrocatalytic and photocatalytic hydrogen evolution reactions, opening up new opportunities for sustainable non-noble metal catalysts.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Qun He et al.
Summary: This study investigates the performance of ruthenium-based electrocatalysts for hydrogen evolution reaction (HER) in alkaline media. The results show that the well-dispersed ruthenium nanoparticles with adjacent ruthenium single atoms (Ru-1,Ru-n-NC) exhibit ultra-low overpotential and high turnover frequency, outperforming commercial platinum catalysts. The analyses reveal that the ruthenium nanoparticles and single sites can promote electron transfer and accelerate water dissociation and hydrogen desorption, leading to optimized reaction kinetics for superb hydrogen generation in alkaline media.
ADVANCED MATERIALS
(2022)
Article
Engineering, Environmental
Hugang Zhang et al.
Summary: In this study, one-dimensional mesoporous RhTe nanowires were constructed as a pH universal electrocatalyst for hydrogen evolution reaction (HER) using a dual template approach. The nanowires exhibited excellent HER activities and stability, with a high Faradic efficiency of 97% for H-2 production in a full pH range.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Chemistry, Inorganic & Nuclear
Hiram M. Castro-Cruz et al.
Summary: In the past few decades, certain transition metal complexes have been identified as molecular catalysts for the electrochemically triggered hydrogen evolution reaction (HER). This review provides a molecular-level understanding of the different mechanistic pathways proposed for porphyrin-catalyzed HER, analyzing the influence of reaction media and catalyst structures on the reaction mechanisms.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Multidisciplinary Sciences
Jie Xu et al.
Summary: This study demonstrates the improved performance of Frenkel-defected MoS2 monolayers in electrocatalytic hydrogen evolution reaction compared to pristine or doped MoS2. The findings highlight the advantages of defect engineering in tuning the catalytic performance of MoS2 materials.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
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
(2022)
Article
Chemistry, Physical
Chenfan Yang et al.
Summary: The surface of a Cu-Fe3O4 catalyst is reconstructed through an electrochemical activation method, leading to the formation of abundant defective FeOOH. This Cu-FeOOH/Fe3O4 catalyst exhibits excellent stability and activity for alkaline HER, surpassing the performance of the Pt/C catalyst. The incorporation of defective FeOOH on the catalyst surface decreases the energy barrier for H2O dissociation and H-2 generation, providing a new avenue for the production of efficient non-noble metal catalysts.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Applied
Rendian Wan et al.
Summary: By engineering the electronic structure of Pt-Co single atom alloy catalysts, the kinetic and stability issues in the alkaline hydrogen evolution reaction can be resolved.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Applied
Shiyu Xu et al.
Summary: Water splitting-based generation of hydrogen as an energy carrier has the potential to address global energy shortage and climate change issues. However, the lack of inexpensive high-performance electrocatalysts for the hydrogen evolution reaction (HER) hinders its practical implementation. In this study, Re nanoclusters uniformly distributed on nanosheet supports were synthesized through a hydrothermal method, resulting in a hybrid material with abundant exposed active sites and high oxidation resistance. The obtained electrocatalysts exhibited high electron conductivity and electrochemical stability under HER conditions, showing a durability superior to commercial Pt/C and a similar activity. The Re nanoclusters on reduced graphene oxide nanosheets (Re NCs@rGO) have remarkably small HER overpotentials and can deliver a current density of 10 mA cm(-2). These findings demonstrate that Re NCs@rGO is a promising alternative to conventional Pt-group-metal catalysts for high-performance water splitting systems.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Yangyang Feng et al.
Summary: This study proposes a double-heterojunctional nanostructure as a model for electrocatalysts, which can enhance electrocatalytic performance by optimizing active sites and charge/mass transfer properties. Experimental results show that this double-heterojunctional structure enables high catalytic activity and rapid charge/mass transfer, making it suitable for hydrogen evolution reaction and exhibiting good durability.
Article
Chemistry, Physical
Jiayuan Li et al.
Summary: By depositing Ru1Fe1 alloy on CoP with a small work function difference, the HER activity of Ru is significantly boosted.
ACS ENERGY LETTERS
(2022)
Article
Engineering, Environmental
Ting He et al.
Summary: Carbon aerogel doped with atomically isolated Ru exhibits remarkable performance in hydrogen evolution reaction (HER) across a wide range of solution pH. The optimized sample shows ultra-low overpotential and high mass activity, surpassing the commercial Pt/C benchmark. This study highlights the unique advantages of carbon aerogel-based single atom catalysts in electrochemical energy technologies.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Wenzhi Yuan et al.
Summary: The ion-exchange strategy to fabricate cobalt phosphide nanowire decorated with nickel phosphide nanosheets core@shell heterostructured arrays with sulfur doping at the interface (S-Co2P@Ni2P) has been demonstrated to be effective for both hydrogen evolution reaction (HER) and urea oxidation reaction (UOR), showing optimized absorption/desorption energies of reactants/products to accelerate the catalytic kinetics of HER and UOR.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Applied
Yan Lin et al.
Summary: In this study, NiCoP/S nanocrystals were synthesized using a novel method and exhibited excellent hydrogen evolution reaction (HER) and supercapacitor performance in a wide pH range. The findings provide new insights into the modulation of electronic structure and lattice strain for electrocatalytic and energy storage applications.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Engineering, Environmental
Lei Sun et al.
Summary: In this study, a unique flowerlike WS2/WSe2 heterostructure was designed and synthesized, which showed excellent hydrogen evolution reaction (HER) catalytic performance. The hierarchical architecture of the heterostructure facilitated the exposure of electrochemical active sites, resulting in a low overpotential and small Tafel slope. This work could open up new possibilities for the discovery of other 2D heterostructures as effective catalysts for renewable energy.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Meichen Liu et al.
Summary: This study demonstrates an effective strategy of regulating the electronic structure of oxide electrocatalysts by doping carbon atoms to improve hydrogen evolution activity. By synthesizing TiO2-carbon composites, high HER performance and stability were achieved.
Article
Chemistry, Physical
Jiani Chen et al.
Summary: The study presents a hybrid multiphase Mo_xC combined with Co3Mo catalyst, which exhibits remarkable performance in hydrogen evolution reaction. Through a self-catalysis phase transition mechanism, enhanced utilization of active materials is achieved, facilitating stepwise reactions of HER.
Article
Chemistry, Physical
Zihuan Yu et al.
Summary: A novel efficient hydrogen electrocatalyst, MoOxSy/Ni3S2/NF, was fabricated with outstanding performance under acidic conditions, demonstrating ultra-low overpotential and high stability. The internal structure was determined using X-ray absorption techniques, and a [Mo2O2(S,O)(4)] dimer was proposed as the key active site.
CHEMISTRY OF MATERIALS
(2022)
Article
Engineering, Environmental
Xueting Zhang et al.
Summary: Mo2C and WC are considered promising electrocatalysts for the hydrogen evolution reaction due to their Pt-like electronic features. In this study, dual-phased Mo2C-WC nanocrystals encapsulated in ultrathin carbon nanosheet assemblies were fabricated as high-performance HER electrocatalysts. These materials showed low overpotential, low Tafel slopes, and robust catalytic stability, highlighting the potential for multi-phased hetero-metal carbide heterostructures in electrocatalysis.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Quan Zhang et al.
Summary: The novel trifunctional electrocatalyst WN-Ni@N,P-CNT exhibits Pt-like hydrogen evolution activity and superior oxygen evolution reaction activity, outperforming commercial IrO2 and Pt/C. This catalyst shows great potential for applications in water splitting and rechargeable zinc air batteries, with exceptional battery performance maintained over 330 hours.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Sijie Li et al.
Summary: A NiS2/NiS heterojunction (NNH) was prepared and applied to a p-Si substrate to achieve progressive electron transfer, leading to enhanced photoelectrochemical hydrogen evolution efficiency. This systematic work may pave the way for planar Si-based PEC applications of heterogeneous metal sulfide cocatalysts through the progressive transfer of electrons.
Article
Chemistry, Physical
Wei Li et al.
Summary: Designing a composite electrocatalyst with Co/CoP heterojunction embedded within a hierarchically ordered carbon matrix resulted in significantly enhanced catalytic activity due to optimized active site exposure and proton transfer facilitation. The Co/CoP@HOMC composites exhibited outstanding performance in hydrogen and oxygen evolution reactions, surpassing the performance of traditional Pt-based catalysts in an alkaline electrolyzer.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Alagan Muthurasu et al.
Summary: This study presents a novel trifunctional electrocatalyst based on iron-doped metal-organic framework assisted cobalt vanadate integrated with cobalt oxide, which demonstrates excellent and stable electrochemical activity for oxygen reduction, oxygen evolution, and hydrogen evolution reactions. The catalyst also shows promising performance in a rechargeable zinc-air battery, achieving self-power water splitting for overall water splitting at room temperature.
Article
Chemistry, Multidisciplinary
Zhihua Cheng et al.
Summary: This study introduces a simple method to form in-plane heterostructures capable of efficient pH-universal hydrogen evolution reaction (HER) by chemically bonding MoS2 (002) planes and α-MoC {111} planes. The catalyst exhibits high HER performance in acidic solution with only a low overpotential required to achieve high current density, and also shows excellent performance in neutral and alkaline conditions.
Article
Chemistry, Multidisciplinary
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
Multidisciplinary Sciences
Xueke Wu et al.
Summary: This study demonstrates a simple, fast, solvent-free microwave pyrolysis method to synthesize highly active electrocatalysts with strong metal-support interaction and stability for large-scale industrial H-2 production. The catalyst shows promising potential for application in large-scale hydrogen production.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Ruihua Zhang et al.
Summary: A plasma etching strategy was developed to create MoS2 edge electrodes with a controllable number of active sites, demonstrating an activity enhancement in hydrogen evolution reactions by doping fluorine atoms. This scalable method enables the activation of MoS2 catalyst on a macroscopic scale, improving HER performance and stability.
Review
Chemistry, Physical
Jing Pan et al.
Summary: Due to the high efficiency and clean process, electrocatalytic hydrogen evolution reaction (HER) is considered the most promising way for hydrogen production, while the catalytic activity for nonprecious electrocatalysts/electrodes is relatively low. Porous materials with channel structures have shown great potential towards outstanding HER performance.
Article
Chemistry, Physical
Jin-Xin Wei et al.
Summary: Synthesizing highly dispersed electrocatalysts with excellent performance is crucial for energy and environmental applications. Here, a platinum cluster anchored on Mn vacancies of MnO2 nanosheets demonstrates low overpotential and superior catalytic stability, offering a strategy for the design of metal cluster catalysts.
Article
Chemistry, Multidisciplinary
Guangyao Zhou et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Zehui Sun et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Ganceng Yang et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Tongfei Li et al.
Article
Chemistry, Physical
Xiaoxiao Yan et al.
Article
Chemistry, Multidisciplinary
Qian Liu et al.
Article
Chemistry, Physical
Ramireddy Boppella et al.
Article
Chemistry, Physical
Fan Lv et al.
Article
Chemistry, Physical
Yan Lin et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Physical
Jinzhen Huang et al.
ACS ENERGY LETTERS
(2019)
Article
Chemistry, Multidisciplinary
Jiaqin He et al.
Article
Chemistry, Physical
Xiaowen Yu et al.
ACS ENERGY LETTERS
(2018)
