Constructing CO-immune water dissociation sites around Pt to achieve stable operation in high CO concentration environment DOI Creative Commons
Daojun Long, Yongduo Liu, Xinyu Ping

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Sept. 16, 2024

The serious problem of carbon monoxide (CO) poisoning on the surface Pt-based catalysts has long constrained commercialization proton exchange membrane fuel cells (PEMFCs). Regeneration Pt sites by maintaining CO scavenging ability through precise construction and interface structure catalyst is key to obtaining high-performance CO-resistant catalysts. Here, we used molybdenum carbide (MoC

Language: Английский

Intermetallic Nanocrystals for Fuel-Cells-Based Electrocatalysis DOI

Fangxu Lin,

Menggang Li, Lingyou Zeng

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(22), P. 12507 - 12593

Published: Nov. 1, 2023

Electrocatalysis underpins the renewable electrochemical conversions for sustainability, which further replies on metallic nanocrystals as vital electrocatalysts. Intermetallic have been known to show distinct properties compared their disordered counterparts, and long explored functional improvements. Tremendous progresses made in past few years, with notable trend of more precise engineering down an atomic level investigation transferring into practical membrane electrode assembly (MEA), motivates this timely review. After addressing basic thermodynamic kinetic fundamentals, we discuss classic latest synthetic strategies that enable not only formation intermetallic phase but also rational control other catalysis-determinant structural parameters, such size morphology. We demonstrate emerging nanomaterials potentially advancement energy electrocatalysis. Then, state-of-the-art characterizations representative electrocatalysts emphasis oxygen reduction reaction evaluated a MEA setup. summarize review by laying out existing challenges offering perspective future research directions toward practicing conversions.

Language: Английский

Citations

92

Recent advances in Ru/Ir-based electrocatalysts for acidic oxygen evolution reaction DOI Creative Commons

Guoliang Gao,

Zixu Sun, Xueli Chen

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 343, P. 123584 - 123584

Published: Dec. 1, 2023

The electrocatalytic process of water splitting offers a promising approach to produce sustainable hydrogen. However, the slow kinetics oxygen evolution reaction (OER) presents notable challenge, especially in acidic environment proton exchange membrane (PEM) systems. Despite extensive progress made catalyst development for hydrogen production through electrolysis last century, significant advancements have been accomplished. quest OER catalysts that possess both high activity and stability, while also being affordable, continues be challenging. Currently, Ru/Ir-based electrocatalysts are only practical anode available. Therefore, it is crucial explore feasible strategies enhance performance longevity catalysts. This review comprehensive assessment obstacles prospective Additionally, underscores areas research concentration, providing valuable perspectives future endeavors development.

Language: Английский

Citations

66

Recent Advances in Electrocatalytic Hydrogenation Reactions on Copper‐Based Catalysts DOI Creative Commons
Min Zheng, Junyu Zhang, Pengtang Wang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(14)

Published: Sept. 27, 2023

Hydrogenation reactions play a critical role in the synthesis of value-added products within chemical industry. Electrocatalytic hydrogenation (ECH) using water as hydrogen source has emerged an alternative to conventional thermocatalytic processes for sustainable and decentralized under mild conditions. Among various ECH catalysts, copper-based (Cu-based) nanomaterials are promising candidates due their earth-abundance, unique electronic structure, versatility, high activity/selectivity. Herein, recent advances application Cu-based catalysts upgrading valuable chemicals systematically analyzed. The properties initially introduced, followed by design strategies enhance activity selectivity. Then, typical on presented detail, including carbon dioxide reduction multicarbon generation, alkyne-to-alkene conversion, selective aldehyde ammonia production from nitrogen-containing substances, amine organic nitrogen compounds. In these catalyst composition nanostructures toward different is focused. co-hydrogenation two substrates (e.g., CO

Language: Английский

Citations

46

Strategies and applications of electrocatalytic nitrate reduction towards ammonia DOI
Huijie Zhang,

K. Fang,

Jian Yang

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 506, P. 215723 - 215723

Published: Feb. 26, 2024

Language: Английский

Citations

42

Polyoxometalate‐Structured Materials: Molecular Fundamentals and Electrocatalytic Roles in Energy Conversion DOI
Tian Ma, Rui Yan, Xizheng Wu

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(15)

Published: Jan. 9, 2024

Polyoxometalates (POMs), a kind of molecular metal oxide cluster with unique physical-chemical properties, have made essential contributions to creating efficient and robust electrocatalysts in renewable energy systems. Due the fundamental advantages POMs, such as diversity structures large numbers redox active sites, numerous efforts been devoted extending their application areas. Up now, various strategies assembling POM molecules into superstructures, supporting POMs on heterogeneous substrates, POMs-derived compounds developed for synthesizing electrocatalysts. From multidisciplinary perspective, latest advances POM-structured materials focus fundamentals, electrocatalytic roles, recent breakthroughs POM-derived electrocatalysts, are systematically summarized. Notably, this paper focuses exposing current states, essences, mechanisms how influence activities discloses critical requirements future developments. The challenges, objectives, comparisons, perspectives also discussed. It is anticipated that review will offer substantial impact stimulating interdisciplinary prosperities widespread utilizations electrocatalysis.

Language: Английский

Citations

34

Single‐Atom Alloys Materials for CO2 and CH4 Catalytic Conversion DOI

Chengxuan He,

Yalin Gong,

Songting Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(16)

Published: Jan. 5, 2024

The catalytic conversion of greenhouse gases CH

Language: Английский

Citations

27

Construction of Pd, Ru/2D MXene nanosheets/3D self-supporting nickel foam composite electrode and its electrocatalytic synergistic degradation of antibiotics DOI

Muchen Lu,

Jie Sun,

Boyang Cui

et al.

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 340, P. 126736 - 126736

Published: Feb. 11, 2024

Language: Английский

Citations

25

High-entropy alloy electrocatalysts go to (sub-)nanoscale DOI Creative Commons
Menggang Li,

Fangxu Lin,

Shipeng Zhang

et al.

Science Advances, Journal Year: 2024, Volume and Issue: 10(23)

Published: June 5, 2024

Alloying has proven power to upgrade metallic electrocatalysts, while the traditional alloys encounter limitation for optimizing electronic structures of surface sites in a continuous manner. High-entropy (HEAs) overcome this by manageably tuning adsorption/desorption energies reaction intermediates. Recently, marriage nanotechnology and HEAs made considerable progresses renewable energy technologies, showing two important trends size diminishment multidimensionality. This review is dedicated summarizing recent advances that are rationally designed electrocatalysis. We first explain advantages as electrocatalysts from three aspects: high entropy, nanometer, multidimension. Then, several structural regulation methods proposed promote electrocatalysis HEAs, involving thermodynamically nonequilibrium synthesis, regulating (sub-)nanosize anisotropic morphologies, well engineering atomic ordering. The general relationship between electrocatalytic properties further discussed. Finally, we outline remaining challenges field, aiming inspire more sophisticated HEA-based nanocatalysts.

Language: Английский

Citations

21

From Single Metals to High‐Entropy Alloys: How Machine Learning Accelerates the Development of Metal Electrocatalysts DOI

Xinyu Fan,

Letian Chen,

Dulin Huang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(34)

Published: April 25, 2024

Abstract The rapid advancement of high‐performance computing and artificial intelligence technology has opened up novel avenues for the development various metal electrocatalysts. In particular, dilute high‐entropy alloys have garnered significant attention owing to their unique electronic spatial structures, as well exceptional electrocatalytic performance. Commencing with exploration single‐atom alloy catalysts, latest advancements in machine learning (ML) techniques are presented efficient screening a broad spectrum spaces. Subsequently, review delves into prevailing trend research, focusing specifically on rare‐metal electrocatalysts, offers an overview progress outcomes achieved through application ML these domains. Finally, highlighted promising category electrocatalysts underscore importance potential applications addressing complex challenging research issues underscored.

Language: Английский

Citations

18

Efficient Electrocatalytic Oxidation of Glycerol to Formate Coupled with Nitrate Reduction over Cu‐Doped NiCo Alloy Supported on Nickel Foam DOI
Chen‐Yang Li, Hao Li, Bo Zhang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(46)

Published: Aug. 12, 2024

Abstract Electrooxidation of biomass‐derived glycerol which is regarded as a main byproduct industrial biodiesel production, an innovative strategy to produce value‐added chemicals, but currently showcases slow kinetics, limited Faraday efficiency, and unclear catalytic mechanism. Herein, we report high‐efficiency electrooxidation into formate via Cu doped NiCo alloy catalyst supported on nickel foam (Cu−NiCo/NF) in coupled system paired with nitrate reduction. The designed Cu−NiCo/NF delivers only 1.23 V vs . RHE at 10 mA cm −2 , record efficiency 93.8 %. superior performance ascribed the rapid generation Ni III −OOH Co species favorable coupling surface *O reactive intermediates. Using bifunctional catalyst, synchronously produces NH 3 formate, showing 290 mV lower than hydrogen evolution reaction, together excellent long‐term stability for up 144 h. This work lays out new guidelines reliable strategies from design electrochemical refinery.

Language: Английский

Citations

18