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Article
Chemistry, Multidisciplinary
Yan Guo et al.
Summary: In this study, efficient hydrogen production from water splitting is achieved using Co-doped Rh nanoparticles as electrocatalysts. The results show that Co-doping reduces reaction barriers and enhances the adsorption capacity of reactants, resulting in excellent activity. In a two-electrode cell, the combination of fast oxidation reaction on the anode and efficient hydrogen evolution reaction on the cathode enables efficient water splitting for hydrogen production.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Applied
Qiqi Mao et al.
Summary: A low-content Pt-doped Rh metallene (Pt-Rhene) was developed for hydrazine-assisted water electrolysis, achieving energy-saving hydrogen production. The ultrathin metallene provided sufficient active sites for catalysis and improved atom utilization. The synergistic effect between Rh and Pt optimized the electronic structure of Rh, enhancing its intrinsic activity. The Pt-Rhene electrodes exhibited low overpotentials for both the hydrogen evolution reaction and the hydrazine oxidation reaction, resulting in greatly reduced electrolysis energy consumption.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Zehao Xiao et al.
Summary: Sulfion oxidation reaction has the potential to replace the slow water oxidation reaction, saving power consumption and purifying sulfion-rich environmental wastewater. Bifunctional Co3S4 nanowires are used to assemble a hybrid seawater electrolyzer, enabling both anodic sulfion oxidation and cathodic seawater reduction with ultra-low power consumption, saving energy consumption over 70% compared to traditional water splitting systems.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yaya Zhou et al.
Summary: Hindered gas bubble release and limited electron conducting process are major challenges for large-scale electrochemical water splitting. In this study, biomimetic catalytic materials with multiscale structural hierarchy were designed to address these issues. The fabricated porous nickel tube arrays decorated with NiFe-Zn2+-pore nanosheets showed improved bubble removal and electron transfer, leading to superior oxygen evolution reaction performance. This work provides a new strategy of designing hierarchical electrocatalysts for highly efficient water splitting.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yang Wang et al.
Summary: It is essential to develop inexpensive and efficient transition metal based electrocatalysts for neutral water splitting. This work successfully synthesized amorphous Mo-doped NiS0.5Se0.5 nanosheets@crystalline NiS0.5Se0.5 nanorods through a simple one-step strategy. The Am-Mo-NiS0.5Se0.5 catalyst showed low overpotentials for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), and exhibited excellent stability for at least 300 hours. Theoretical calculations revealed that the defect-rich amorphous structure of Am-Mo-NiS0.5Se0.5 enhanced H2O binding energy and optimized the energy barriers for H adsorption/desorption and OER determining step.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
You Xu et al.
Summary: The iridium-incorporated Co3O4 (Ir-Co3O4) catalyst is synthesized from binary CoIr-based metal-organic framework precursors via controlled calcination treatment. The in situ incorporation of Ir cations leads to lattice expansion of Co3O4 and regulation of its electronic structure, which improves the electrocatalytic performance. With a lattice expansion-induced strain effect, the Ir-Co3O4 catalyst exhibits superior performance for both glycerol-to-formate conversion and the hydrogen evolution reaction.
CHEMICAL COMMUNICATIONS
(2023)
Article
Engineering, Environmental
Yonglong Wang et al.
Summary: Developing efficient electrocatalysts for sustainable hydrogen production is a significant challenge. Atomic doping is an effective strategy to enhance the performance of electrocatalysts by modulating the microenvironment of nanomaterials. In this study, a porous CoP electrocatalyst with Ru and B co-doping was developed and showed excellent performance in hydrogen evolution reactions under low voltages and in seawater, indicating its great potential in sustainable energy storage and conversion.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
You Xu et al.
Summary: A facile strategy was developed for one-step synthesis of yttrium(Y)-doped cobalt-based metal-organic framework (CoY-MOF) nanosheet arrays. It was demonstrated that in situ doping with a low content of Y can tailor the electronic structure of the MOF structures, thereby improving their electrocatalytic performance for both hydrogen evolution and glycerol oxidation reactions.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Ziqiang Wang et al.
Summary: The synthesis of a mesoporous OsRh film on Ni foam (mOsRh/NF) using one-step electrodeposition with the assistance of a diblock copolymer is reported. The mOsRh/NF material shows a low overpotential of 62 mV for hydrogen production and high selectivity for ethanol oxidation to acetate. Additionally, an integrated two-electrode electrolyzer achieves simultaneous production of hydrogen and acetate with high faradaic efficiencies of 94% and 93%, respectively, at a cell voltage of 1.53 V.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Ziqiang Wang et al.
Summary: Here, we fabricated polyethyleneimine-functionalized PdOs bimetallene (PdOs@PEI bimetallene) for alkaline oxygen reduction reaction (ORR) through a wet-chemical method. The PdOs@PEI bimetallene has an ultra-thin and curved nanosheet structure, providing more active sites and high conductivity. The bimetallic composition and PEI modification can tailor the electronic structure of PdOs bimetallene, leading to enhanced oxygen adsorption energy. Consequently, the PdOs@PEI bimetallene exhibits superior ORR activity, stability, and durability compared to commercial Pt/C, emphasizing the significance of modified nitrogen-containing polymers in enhancing ORR performance.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Qixing Zhou et al.
Summary: This study demonstrates the significant improvement in electrocatalytic performance of catalysts through the utilization of heterointerface effect. The well-designed CoP/CoO PNTs exhibit Pt-like activity and excellent stability as hydrogen evolution reaction (HER) electrocatalysts. The construction of CoP/CoO heterojunctions optimizes the Gibbs free energies and enhances the intrinsic activity of HER. The study provides insights into the fundamental mechanisms of heterojunction-induced electronic regulation and guides the rational design of advanced electrocatalysts in the future.
Article
Nanoscience & Nanotechnology
Liuxuan Luo et al.
Summary: This study develops a low-cost and high-performance electrocatalyst for oxygen reduction reaction (ORR) and proposes a promising strategy for breaking the long-standing linear scaling relationship (LSR). The catalyst exhibits nearly ideal 4-electron ORR pathways under both alkaline and acidic conditions.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Qiqi Mao et al.
Summary: In this study, a partially hydroxylated Rh metallene catalyst was reported for EG-assisted seawater electrolysis. The catalyst exhibited a porous, ultrathin, defect-rich, and hetero-phase structure, showing superior electrocatalytic performance and reducing energy consumption.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Environmental
Xiaohong Wang et al.
Summary: In this study, a one-step and space-confinement pyrolysis strategy is used to construct ultrathin MoP-MoS2 heterostructure on N, P and S co-doped hollow carbon spheres (MoP-MoS2/HCSs), which exhibit remarkable HER performance and outstanding stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Yufei Li et al.
Summary: This study presents a reliable method to fabricate leaf-like Co-doped Ni3S2 nanostructures with superior electrocatalytic activity and durability. The optimized electrocatalyst shows significantly reduced cell voltage in sulfion-containing electrolytes, indicating its great potential for energy-saving hydrogen production and environmentally friendly sulfur recovery.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Jiandong Wu et al.
Summary: This study reports the synthesis of atomically dispersed MoOx species anchored on Rh metallene, achieving maximum exposure of the oxide-metal interface and resulting in a catalyst with ultrahigh alkaline HER activity.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Kai Deng et al.
Summary: In this study, we investigated the properties of a defect-rich low-crystalline Rh metallene for seawater splitting to produce H2 while avoiding chlorine generation. The metallene exhibited outstanding catalytic activity for both the hydrogen evolution reaction and the hydrazine oxidation reaction. In a hydrazine-assisted seawater splitting system, a high current density can be achieved with a low voltage requirement.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Kai Deng et al.
Summary: In this study, hetero-phase RhB metallene (h-RhB metallene) with amorphous/crystalline structure and non-metallic heteroatom doping was synthesized. The h-RhB metallene exhibited superior performance for hydrogen evolution reaction and hydrogen peroxide electro-oxidation reaction (HPOR) due to its unique structure and optimized electronic states induced by B atom incorporation. The presented synthetic method provides a powerful strategy for designing hetero-phase metallene for energy-saving H-2 production.
Article
Engineering, Environmental
Sufang Yang et al.
Summary: The surface atomic structures of transition metal phosphides play a crucial role in determining their electrocatalytic activities for the hydrogen evolution reaction (HER). In this study, a novel facet-guided phosphorization strategy was developed to synthesize Rh2P electrocatalysts with tunable facet exposure and their facet-dependent HER activity was investigated in pH-universal media. The Rh2P{200} catalyst exhibited remarkable HER performance with low overpotential and high mass and specific activity compared to Rh2P{111} and Pt/C catalysts.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Kefeng Wang et al.
Summary: A highly efficient electrocatalyst (Ru@Ni3S2) was designed for the hydrogen evolution reaction in alkaline media, showing enhanced performance with reduced charge-transfer resistance. Both Ru nanoparticles and Ru3+ ions were found responsible for the catalytic activity, and density functional theory calculations explained the improved activity of Ru@Ni3S2. Further surface modification with polyaniline led to extraordinary stability during long-term electrolysis. This study provides insights into designing efficient and stable electrocatalysts for practical water electrolysis applications.
INORGANIC CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Physical
You Xu et al.
Summary: By constructing Ni-Mo-N nanowire arrays as a bifunctional electrocatalyst, this study achieves efficient hydrogen production and selective glycerol oxidation, demonstrating excellent electrocatalytic performance in alkaline conditions with promising potential applications.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Multidisciplinary
Hongjie Yu et al.
Summary: Development of defect-rich porous Pd metallene through wet-chemistry strategy shows superior ORR activity, potentially opening avenue for design of other metallene materials for various fields.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Zhenjiang Lu et al.
Summary: The CoPt3@Co2P/Co@NCNT heterojunction exhibits excellent electrocatalytic performances for both MOR and HER, with a mass activity for MOR 14.2 times higher than that of Pt/C, and the smallest overpotentials of only 19 mV for HER at a current density of 10 mA cm(-2).
Article
Multidisciplinary Sciences
Fan Lv et al.
Summary: The study introduces a new synthetic method for creating an atomic-level PdIr bimetallene with an average thickness of around 1.0 nm, which demonstrates superior catalytic performance in the hydrogen evolution reaction and the formic acid oxidation reaction.
NATIONAL SCIENCE REVIEW
(2021)
Article
Chemistry, Multidisciplinary
Panyong Kuang et al.
Summary: This study demonstrates the tailoring of the electronic structure of Pt single atoms supported on N-doped mesoporous hollow carbon spheres through strong EMSI engineering, leading to the Pt-1/NMHCS composite exhibiting higher activity and stability in catalyzing the electrocatalytic hydrogen evolution reaction compared to Pt-NP and commercial Pt/C. The strong EMSI effect in a unique N-1-Pt-1-C-2 coordination structure significantly modifies the electronic structure of Pt 5d states, enhancing the reduction of adsorbed proton and facilitating H-H coupling for Pt-like HER activity.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Luocai Yi et al.
Summary: WS2 nanosheets synthesized with a reliable, scalable, and high-yield strategy exhibit excellent electrocatalytic properties for both alkaline S2- oxidation reaction and acidic hydrogen evolution reaction. A hybrid alkali-acid electrochemical cell utilizing WS2 nanosheets as bifunctional electrode catalysts shows promise for self-power or low-electricity electrolytic H-2 generation and environmentally friendly sulfion recycling with enhanced electron utilization efficiency.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Shuaika Liang et al.
Summary: Water electrolysis powered by renewable energies is seen as a promising technology for hydrogen production, but traditional acid water electrolysis has limitations due to the coupling of H-2 and O-2 production and the need for a proton exchange membrane to prevent gas mixing. By introducing a low-cost redox mediator, decoupling the electrolysis process into two steps without a membrane, high-rate performance and long cycle life are achieved, enabling flexible high-purity hydrogen production using renewable energies.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Yuhou Pei et al.
Summary: By replacing the sluggish oxygen evolution reaction with the sulfide electro-oxidation reaction for electrolysis, a catalyst with good activity and stability was designed for efficient water splitting and reusing toxic sulfide waste, achieving significant energy savings and scalability in hydrogen production.
Article
Chemistry, Physical
Tingya Li et al.
Summary: A simple copolymer template strategy was reported for the synthesis of Ru-SNC, a sulfur and nitrogen co-doped carbon decorated with ruthenium, for efficient alkaline HER. Ru-SNC catalyst exhibited high activity, with a low overpotential and significantly higher hydrogen generation rate compared to commercial Pt/C, making it one of the most active alkaline HER electrocatalysts.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Chemistry, Multidisciplinary
P. Prabhu et al.
Summary: Metalenes, as atomically thin layers primarily composed of under-coordinated metal atoms, have shown promising physicochemical properties for catalytic applications in electrochemical conversions. With growing interest in metalenes, there is a need to review research findings and identify future directions for advancements in the field.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Inorganic & Nuclear
Tao Wei et al.
Summary: The study successfully developed a hybrid bifunctional electrocatalyst through a simple pyrolysis-phosphorization process, demonstrating excellent electrocatalytic activity and stability for oxygen and hydrogen evolution. This offers a potential new avenue for the application of novel electrocatalysts in renewable energy technologies.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Materials Science, Ceramics
Junqi Li et al.
CERAMICS INTERNATIONAL
(2020)
Article
Chemistry, Physical
Shuo Geng et al.
Review
Chemistry, Physical
Yingjie Li et al.
ADVANCED ENERGY MATERIALS
(2020)
Article
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Junyuan Xu et al.
Article
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Shuli Yin et al.
Article
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Lulu Chen et al.
INORGANIC CHEMISTRY FRONTIERS
(2020)
Article
Chemistry, Multidisciplinary
Hao Lv et al.
Article
Multidisciplinary Sciences
Mingchuan Luo et al.
Article
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Shihui Xing et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
Chemistry, Multidisciplinary
Juan Bai et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
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Yuanyuan Dong et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Yi Huang et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2018)
Article
Chemistry, Physical
Kai Wang et al.
ADVANCED ENERGY MATERIALS
(2018)
Article
Chemistry, Physical
Bo Song et al.
Article
Chemistry, Physical
Jun Zhang et al.
ADVANCED ENERGY MATERIALS
(2017)
Article
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Yaxiao Guo et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2017)
Article
Chemistry, Multidisciplinary
Yoshikazu Ito et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2015)