☆ 4.7 Article

A strategy to promote the ORR electrocatalytic activity by the novel engineering bunched three-dimensional Pd-Cu alloy aerogel

CHEMICAL ENGINEERING JOURNAL (2023)

相关参考文献

注意：仅列出部分参考文献，下载原文获取全部文献信息。

Article Chemistry, Multidisciplinary

Doping-Modulated Strain Enhancing the Phosphate Tolerance on PtFe Alloys for High-Temperature Proton Exchange Membrane Fuel Cells

Wei Li et al.

Summary: In this study, the phosphate tolerance of PtFe ordered intermetallic alloys was enhanced through a doping-modulated strain strategy with Cu as a dopant, leading to improved performance in HT-PEMFCs. The Cu doping helped to create compressive strain in PtFe crystals, altering the electronic structure of electrocatalysts and weakening the adsorption energy between phosphoric acid and Pt surfaces. The HT-PEMFCs assembled with these cathodic electrocatalysts showed higher peak power and stability compared to commercial Pt/C electrocatalysts.

ADVANCED FUNCTIONAL MATERIALS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

A Facile Double-Catalysts Approach to Directionally Fabricate Pyridinic N-B-Pair-Doped Crystal Graphene Nanoribbons/Amorphous Carbon Hybrid Electrocatalysts for Efficient Oxygen Reduction Reaction

Mengmeng Fan et al.

Summary: The double-catalysts strategy of crystal graphene nanoribbons/amorphous carbon doped by pyridinic N-B pairs is presented to enhance the catalytic performance of carbon material for oxygen reduction reaction. The pyridinic N-B pair shows the highest catalytic activity among all the potential configurations.

ADVANCED MATERIALS (2022)

添加到收藏夹

Article Chemistry, Physical

Integrated reduced graphene oxide/polypyrrole hybrid aerogels for simultaneous photocatalytic decontamination and water evaporation

Shiwei Yan et al.

Summary: This study presents a reduced graphene oxide/polypyrrole hybrid aerogel which exhibits efficient photodegradation performance and high solar-powered water evaporation for freshwater production and decontamination from complex wastewater. The nanohybrids were fabricated through hydrothermal reduction and freeze-drying, resulting in the prevention of stacking of graphene oxide nanosheets and enhanced interactions with organic molecules. The hybrid aerogel's wide-spectrum light harvesting, photothermal effect, and solar-driven photocatalysis contribute to synergistically enhanced thermal-assisted photodegradation, resulting in high removal efficiency of volatile organic compounds (VOCs) and simultaneous water evaporation.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

High-Temperature Confinement Synthesis of Supported Pt-Ni Nanoparticles for Efficiently Catalyzing Oxygen Reduction Reaction

Kun Wang et al.

Summary: Developing efficient Pt-based alloy as ORR electrocatalysts is crucial for fuel cell applications. Pt-Ni nanoparticles embedded into OMC matrix, with confinement effect, suppress sintering up to 900 degrees C. After dealloying, Pt-Ni nanoparticles exhibit changed surface structure and excellent ORR activity, with long-term stability attributed to the confinement effect of OMC.

ADVANCED FUNCTIONAL MATERIALS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Nitrogen-Doped Bimetallic Carbide-Graphite Composite as Highly Active and Extremely Stable Electrocatalyst for Oxygen Reduction Reaction in Alkaline Media

Zaoxue Yan et al.

Summary: It has been demonstrated that nitrogen-doped bimetallic carbide-graphite composite (N-Fe2MoC-GC) exhibits much better oxygen reduction reaction (ORR) activity compared to commercial Pt/C, with exceptional stability and excellent resistance to methanol and CO. Furthermore, N-Fe2MoC-GC maintains high power density even under low relative humidity or at high operation temperature.

ADVANCED FUNCTIONAL MATERIALS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Short-Range Diffusion Enables General Synthesis of Medium-Entropy Alloy Aerogels

Guanghui Han et al.

Summary: A general strategy for preparing ultralight 3D porous medium-entropy alloy aerogels (MEAAs) has been reported, which overcomes the immiscible behavior of different metals to achieve single-phase MEAAs. The as-synthesized MEAAs show high catalytic activity and selectivity in methanol oxidation reactions. Additionally, a MEAAs-based water electrolyzer demonstrates low cell voltage for value-added formate production.

ADVANCED MATERIALS (2022)

添加到收藏夹

Article Materials Science, Ceramics

Fabrication and microstructure evolution of monolithic bridged polysilsesquioxane-derived SiC ceramic aerogels

Chengxi Ding et al.

Summary: SiC aerogels have extensive potential utility in thermal insulation under extreme conditions, and the efficient fabrication of highly crystalline SiC aerogels is crucial. In this study, a simple one-step pyrolysis strategy is reported for the preparation of SiC aerogels using a bridged polysilsesquioxane (BPSi) aerogel precursor. The mechanism of gas-escape and carbothermal reduction reaction is proposed to explain the evolution of phase composition and pore hierarchy in BPSi-derived ceramic aerogels.

CERAMICS INTERNATIONAL (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Identifying Luminol Electrochemiluminescence at the Cathode via Single-Atom Catalysts Tuned Oxygen Reduction Reaction

Hongyin Xia et al.

Summary: In this study, the relationship between intrinsic oxygen reduction reaction (ORR) activity and electrochemiluminescence (ECL) behavior was explored using single-atom catalysts (SACs). By combining electrochemical ORR catalyzed via SACs and chemical oxidation of luminol, the traditionally neglected cathodic ECL emission of luminol was significantly enhanced. This work is important for guiding the development of an amplified sensing platform through rational tailoring of the ORR activity of SACs and potential-resolved ECL assays based on high-efficiency cathodic ECL.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

添加到收藏夹

Article Multidisciplinary Sciences

Hygroscopic holey graphene aerogel fibers enable highly efficient moisture capture, heat allocation and microwave absorption

Yinglai Hou et al.

Summary: In this study, hygroscopic holey graphene aerogel fibers (LiCl@HGAFs) with integrated functionalities of highly efficient moisture capture, heat allocation, and microwave absorption were reported. The fibers achieved a water sorption capacity over 4.15 g g(-1), and could be regenerated through both photo-thermal and electro-thermal approaches. Additionally, LiCl@HGAFs exhibited efficient heat transfer and broad microwave absorption performance.

NATURE COMMUNICATIONS (2022)

添加到收藏夹

Article Chemistry, Physical

Ni-Zn Dual Sites Switch the CO2 Hydrogenation Selectivity via Tuning of the d-Band Center

Shuangxi Lin et al.

Summary: This study examines the interrelation between active sites and reaction pathways in Ni-catalyzed CO2 hydrogenation, and finds that charged active sites modify the selectivity of the reaction, providing guidance for catalyst design.

ACS CATALYSIS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Highly accessible and dense surface single metal FeN4 active sites for promoting the oxygen reduction reaction

Guangbo Chen et al.

Summary: The study successfully constructed catalysts with densely exposed surface FeN4 moieties on hierarchically porous carbon, which exhibited excellent ORR activity in acidic media and promising performance in proton exchange membrane fuel cells.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

添加到收藏夹

Article Chemistry, Physical

Bimetallic Ag-Cu nanosheets assembled flower-like structure for oxygen reduction reaction

Jianan Chen et al.

Summary: The study successfully synthesized a bimetallic Ag-Cu nanostructure using the cyclic scanning electrodeposition method and systematically investigated its catalytic performance for the oxygen reduction reaction in alkaline media. The results showed that the Ag-Cu nanostructure exhibited competitive catalytic ability, with a close to four electrons transfer number, which was attributed to the widely distributed Ag-Cu steps formed by decorating Cu atoms on the Ag nanosheets.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Pd-Pt Tesseracts for the Oxygen Reduction Reaction

Sheng Chen et al.

Summary: This study prepared Pd-Pt hollow frame structures with high catalytic activity towards ORR by selecting Pd/Pt ratio, showing the highest mass activity among various Pd-Pt nanocrystals. The high activity of Pd-Pt tesseracts is derived from optimal oxygen adsorption energy due to facet effect and composition effect.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

添加到收藏夹

Review Nanoscience & Nanotechnology

Challenges in applying highly active Pt-based nanostructured catalysts for oxygen reduction reactions to fuel cell vehicles

Kensaku Kodama et al.

Summary: Progress has been made in the development of Pt-based nanocatalysts for the oxygen reduction reaction over the past 30 years, with some now in commercial production for PEFCs. However, further improvements in catalytic activity are needed. State-of-the-art catalysts have potential to enhance energy conversion efficiencies and reduce platinum usage in PEFCs, but technical challenges remain for their application in fuel cell vehicles, such as high power density, practical durability, and efficiency.

NATURE NANOTECHNOLOGY (2021)

添加到收藏夹

Article Multidisciplinary Sciences

Tuning the electronic structure of Ag-Pd alloys to enhance performance for alkaline oxygen reduction

Jose A. Zamora Zeledon et al.

Summary: Alloying is a powerful tool to enhance the electrocatalytic activity of Pd-based catalysts while reducing precious metal content. Experimental results show that even slight alloying with Ag can significantly improve the intrinsic activity of the catalysts.

NATURE COMMUNICATIONS (2021)

添加到收藏夹

Article Chemistry, Physical

Elevating the d-Band Center of Six-Coordinated Octahedrons in Co9S8 through Fe-Incorporated Topochemical Deintercalation

Zongpeng Wang et al.

Summary: By redesigning the six-coordinated octahedrons in Co9S8 using an Fe-incorporated method, the overall d-band center is regulated to achieve optimized adsorption and superior OER activity. This work sheds light on the design of OER catalysts through polyhedron engineering using topochemical deintercalation, resulting in a 95 mV reduction in overpotential at 10 mA cm(-2).

ADVANCED ENERGY MATERIALS (2021)

添加到收藏夹

Article Multidisciplinary Sciences

Graphene/MoS2/FeCoNi(OH)x and Graphene/MoS2/FeCoNiPx multilayer-stacked vertical nanosheets on carbon fibers for highly efficient overall water splitting

Xixi Ji et al.

Summary: The study presents a highly efficient and stable oxygen evolution reaction catalyst with a multilayer-stacked hybrid structure for water electrolysis. The design of composite materials has improved electrocatalytic activity, offering new possibilities for water splitting.

NATURE COMMUNICATIONS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Weakening Intermediate Bindings on CuPd/Pd Core/shell Nanoparticles to Achieve Pt-Like Bifunctional Activity for Hydrogen Evolution and Oxygen Reduction Reactions

Huan Xie et al.

Summary: In this study, CuPd/Pd core/shell nanoparticles with an ultrathin Pd shell were developed, exhibiting Pt-like bifunctional activity for HER and ORR in acid electrolytes. Density functional theory calculations showed that the significantly enhanced HER/ORR activity on CuPd/Pd core/shell NPs with 0.5 nm Pd shell was attributed to the compressive strain induced downshift of d-band center for Pd, weakening the binding strength of intermediates and promoting reaction kinetics.

ADVANCED FUNCTIONAL MATERIALS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

MIL-101-Derived Mesoporous Carbon Supporting Highly Exposed Fe Single-Atom Sites as Efficient Oxygen Reduction Reaction Catalysts

Xiaoying Xie et al.

Summary: Fe single-atom catalysts with atomic FeNx active sites show great promise as alternatives to platinum-based catalysts for the oxygen reduction reaction. This study utilized a mesoporous MOF NH2-MIL-101(Al) as a precursor to prepare a series of N-doped carbon supports with well-defined mesoporous structure at different pyrolysis temperatures. The resulting Fe SAC-MIL101-T catalysts showed outstanding ORR activity in alkaline media and excellent performance in zinc-air batteries.

ADVANCED MATERIALS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Dynamic Behavior of Single-Atom Catalysts in Electrocatalysis: Identification of Cu-N-3 as an Active Site for the Oxygen Reduction Reaction

Ji Yang et al.

Summary: Atomically dispersed Cu-N-C single-atom catalysts with Cu2+-N-4 structure exhibit comparable activity and superior durability to Pt/C in the electrochemical reduction of oxygen. The dynamic evolution of Cu-N-4 to Cu-N-3 and further to HO-Cu-N-2 under ORR conditions is identified, with the low-coordinated Cu+-N-3 being determined as the real active site. The findings may guide the design of more efficient low-cost catalysts.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

添加到收藏夹

Article Chemistry, Physical

Engineering Multimetallic Aerogels for pH-Universal HER and ORR Electrocatalysis

Ran Du et al.

ADVANCED ENERGY MATERIALS (2020)

添加到收藏夹

Review Chemistry, Multidisciplinary

Freeze Casting: From Low-Dimensional Building Blocks to Aligned Porous Structures-A Review of Novel Materials, Methods, and Applications

Gaofeng Shao et al.

ADVANCED MATERIALS (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Freeze-Thaw-Promoted Fabrication of Clean and Hierarchically Structured Noble-Metal Aerogels for Electrocatalysis and Photoelectrocatalysis

Ran Du et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

添加到收藏夹

Article Multidisciplinary Sciences

Unveiling reductant chemistry in fabricating noble metal aerogels for superior oxygen evolution and ethanol oxidation

Ran Du et al.

NATURE COMMUNICATIONS (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Tuning of Trifunctional NiCu Bimetallic Nanoparticles Confined in a Porous Carbon Network with Surface Composition and Local Structural Distortions for the Electrocatalytic Oxygen Reduction, Oxygen and Hydrogen Evolution Reactions

Md Ariful Ahsan et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Dual-Site Cascade Oxygen Reduction Mechanism on SnOx/Pt-Cu-Ni for Promoting Reaction Kinetics

Xiaochen Shen et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

添加到收藏夹

Article Multidisciplinary Sciences

Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells

Xinlong Tian et al.

SCIENCE (2019)

添加到收藏夹

Article Chemistry, Multidisciplinary

Integrating PGM-Free Catalysts into Catalyst Layers and Proton Exchange Membrane Fuel Cell Devices

Dustin Bonham et al.

ADVANCED MATERIALS (2019)

添加到收藏夹

Review Chemistry, Multidisciplinary

Computational Approach to Molecular Catalysis by 3d Transition Metals: Challenges and Opportunities

Konstantinos D. Vogiatzis et al.

CHEMICAL REVIEWS (2019)

添加到收藏夹

Article Chemistry, Multidisciplinary

Atomic interface effect of a single atom copper catalyst for enhanced oxygen reduction reactions

Zhuoli Jiang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2019)

添加到收藏夹

Article Chemistry, Multidisciplinary

Core-Shell Structuring of Pure Metallic Aerogels towards Highly Efficient Platinum Utilization for the Oxygen Reduction Reaction

Bin Cai et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

添加到收藏夹

Article Electrochemistry

Pd-Zn/C bimetallic electrocatalysts for oxygen reduction reaction

Georgios Bampos et al.

JOURNAL OF APPLIED ELECTROCHEMISTRY (2018)

添加到收藏夹

Article Chemistry, Multidisciplinary

Porous three-dimensional network of Pd-Cu aerogel toward formic acid oxidation

Abdollatif Shafaei Douk et al.

RSC ADVANCES (2018)

添加到收藏夹

Article Chemistry, Multidisciplinary

Sub-50 nm Iron-Nitrogen-Doped Hollow Carbon Sphere-Encapsulated Iron Carbide Nanoparticles as Efficient Oxygen Reduction Catalysts

Haibo Tan et al.

ADVANCED SCIENCE (2018)

添加到收藏夹

Article Chemistry, Physical

Nanovoid Incorporated IrxCu Metallic Aerogels for Oxygen Evolution Reaction Catalysis

Qiurong Shi et al.

ACS ENERGY LETTERS (2018)

添加到收藏夹

Article Chemistry, Physical

Exploring the Effect of Gold Support on the Oxygen Reduction Reaction Activity of Metal Porphycenes

Megha Anand et al.

CHEMCATCHEM (2018)

添加到收藏夹

Article Chemistry, Physical

Highly Efficient and Durable Pd Hydride Nanocubes Embedded in 2D Amorphous NiB Nanosheets for Oxygen Reduction Reaction

Yizhong Lu et al.

ADVANCED ENERGY MATERIALS (2017)

添加到收藏夹

Article Chemistry, Multidisciplinary

Highly Active and Stable Pt-Pd Alloy Catalysts Synthesized by Room-Temperature Electron Reduction for Oxygen Reduction Reaction

Wei Wang et al.

ADVANCED SCIENCE (2017)

添加到收藏夹

Article Chemistry, Physical

Porous Aerogels from Shape-Controlled Metal Nanoparticles Directly from Nonpolar Colloidal Solution

Suraj Naskar et al.

CHEMISTRY OF MATERIALS (2017)

添加到收藏夹

Article Chemistry, Multidisciplinary

Efficient Synthesis of MCu (M = Pd, Pt, and Au) Aerogels with Accelerated Gelation Kinetics and their High Electrocatalytic Activity

Chengzhou Zhu et al.

ADVANCED MATERIALS (2016)

添加到收藏夹

Article Chemistry, Physical

Three dimensional CNTs aerogel/MoSx as an electrocatalyst for hydrogen evolution reaction

Sathish Reddy et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2016)

添加到收藏夹

Article Chemistry, Multidisciplinary

Main Group Metal-Actinide Magnetic Coupling and Structural Response Upon U4+ Inclusion Into Bi, Tl/Bi, or Pb/Bi Cages

Niels Lichtenberger et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

添加到收藏夹

Article Chemistry, Multidisciplinary

Bimetallic Aerogels: High-Performance Electrocatalysts for the Oxygen Reduction Reaction

Wei Liu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

添加到收藏夹

Article Chemistry, Multidisciplinary

Understanding the electrocatalysis of oxygen reduction on platinum and its alloys

Ifan E. L. Stephens et al.

ENERGY & ENVIRONMENTAL SCIENCE (2012)

添加到收藏夹

Article Multidisciplinary Sciences

Improved oxygen reduction activity on Pt3Ni(111) via increased surface site availability

Vojislav R. Stamenkovic et al.

SCIENCE (2007)

添加到收藏夹

Article Materials Science, Multidisciplinary

EIS behavior of anodized zinc in chloride environments

SC Chung et al.

CORROSION SCIENCE (2000)

添加到收藏夹

© Peeref 2019-2024. All rights reserved.