Immobilizing of Ru nanoclusters on MoO3/C for alkaline hydrogen oxidation DOI

Albert Akeno Nyaaba,

Peng Yao,

Ziliang Kang

и другие.

International Journal of Hydrogen Energy, Год журнала: 2024, Номер 110, С. 219 - 225

Опубликована: Март 1, 2024

Язык: Английский

Synergistic coupling of defective Ru nanoclusters with oxygen ligand steered Ru single atoms modifying interfacial water structure and key intermediates bonding toward efficient hydrogen energy conversion DOI
Yuanyuan Cong,

Luyun Chen,

Mengling Liu

и другие.

Chemical Engineering Journal, Год журнала: 2024, Номер 495, С. 153433 - 153433

Опубликована: Июнь 24, 2024

Язык: Английский

Процитировано

7

Ru‐MnO Heterostructure Clusters Toward Efficient and CO‐Tolerant Alkaline Hydrogen Oxidation Reaction DOI

S. Q. Zhang,

Renjie Ren,

Jing Cao

и другие.

Advanced Energy Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 9, 2024

Abstract Designing efficient and CO‐tolerant catalysts for hydrogen oxidation reaction (HOR) in anode is one of the challenges alkaline exchange membrane fuel cells practical application. Herein, Ru‐MnO heterostructure with two adjacent clusters supported on commercial carbon (BP 2000) (denoted as Ru‐MnO/C) designed to accelerate sluggish kinetics HOR. The cluster–cluster interface modifies electronic structure Ru sites electron transfer from MnO, then optimizes adsorption intermediates sites. Consequently, this catalyst exhibits high catalytic HOR activities media current density (3.71 mA cm −2 ) mass activity (0.78 A mg −1 ). Meanwhile, cell delivers a specific peak power (PPD) 7.0 W under H 2 /O condition, which higher than that most reported catalysts. More importantly, also demonstrates remarkable stability CO‐tolerance. This work presents superiority toward HOR, expected further enlighten design advanced electrocatalysis.

Язык: Английский

Процитировано

6

Ru-embedded TiO2-x with rich Ru-Ti bonds and triggered oxygen vacancies for boosted and sustained hydrogen oxidation and evolution electrocatalysis in alkaline medium DOI
Yuanyuan Cong, Mengling Liu,

Luyun Chen

и другие.

Chemical Engineering Journal, Год журнала: 2024, Номер 501, С. 157669 - 157669

Опубликована: Ноя. 17, 2024

Язык: Английский

Процитировано

3

Carbon-supported uniform RuAgW nanoparticles with high activity and CO resistance toward alkaline hydrogen oxidation DOI
Hao Yang,

Chunxiao Chai,

Mengting Chen

и другие.

Chemical Communications, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Uniform RuAgW nanoparticles demonstrate high HOR activity due to weakened hydrogen binding energy (HBE) and strengthened hydroxide (OHBE).

Язык: Английский

Процитировано

0

Confining Flat Ru Islands into TiO2 Lattice with the Coexisting Ru–O–Ti and Ru–Ti Bonds for Ultra‐Stable Hydrogen Evolution at Amperometric Current Density and Hydrogen Oxidation at High Potential DOI Creative Commons

Luyun Chen,

Chunlei Li, Mengling Liu

и другие.

Advanced Science, Год журнала: 2024, Номер unknown

Опубликована: Окт. 25, 2024

Effective hydrogen evolution reaction (HER) under high current density and enhanced oxidation (HOR) over a wide potential range remain challenges for Ru-based electrocatalysts because its strong affinity to the adsorbed hydroxyl (OH

Язык: Английский

Процитировано

2

Understanding the Roles and Regulation Methods of Key Adsorption Species on Ni‐Based Catalysts for Efficient Hydrogen Oxidation Reactions in Alkaline Media DOI

Jinchi Li,

Shuqi Yu,

Qing Chen

и другие.

ChemSusChem, Год журнала: 2024, Номер unknown

Опубликована: Сен. 21, 2024

Abstract This review focuses on recent advancements in the development and understanding of nickel‐based catalysts for hydrogen oxidation reaction alkaline media. Given economic environmental limitations associated with platinum group metals, have emerged as promising alternatives due to their abundance, lower cost, comparable catalytic properties. The begins an exploration fundamental HOR mechanisms, emphasizing key roles reactive species optimizing activity Ni‐based catalysts. Thermodynamic stability optimizations are thoroughly examined, focusing alloying strategies, heteroatom incorporation, use various support materials enhance performance durability. also addresses challenge catalyst poisoning, particularly by carbon monoxide, evaluates effectiveness different approaches improve poison resistance. Finally, concludes summarizing findings proposing future research directions further efficiency practical applications anion exchange membrane fuel cells. insights gained from this comprehensive analysis aim contribute cost‐effective sustainable facilitate broader adoption AEMFCs quest clean energy solutions.

Язык: Английский

Процитировано

1

Anion-Exchange Membranes’ Characteristics and Catalysts for Alkaline Anion-Exchange Membrane Fuel Cells DOI Creative Commons
Facheng Su,

Hsuan‐Hung Yu,

Hsiharng Yang

и другие.

Membranes, Год журнала: 2024, Номер 14(12), С. 246 - 246

Опубликована: Ноя. 22, 2024

This work aims at the effects of anion-exchange membranes (AEMs) and ionomer binders on catalyst electrodes for membrane fuel cells (AEMFCs). In experiments, four metal catalysts (nano-grade Pt, PtRu, PdNi Ag), AEMs (aQAPS-S8, AT-1, X37-50T X37-50RT) two alkaline ionomers (aQAPS-S14 XB-7) were used. They verified through several technical parameters examination cell performance comparison optimal selection AMEs. The bimetallic nanoparticles (PdNi/C) loaded with Vulcan XC-72R carbon black used as anode by using wet impregnation method, Ag (Ag/C) cathode. It was found that power density current X37-50RT are higher than other three membranes. Also, XB-7 had better aQAPS-S14. efficiency improved 32%, 155% 27%, respectively, when compared to same PdNi/C, Ag/C Pt/C. results consistent ion conductivity measurements, which showed is highest among them. values hydroxide ions (OH

Язык: Английский

Процитировано

1

Boron-activated ruthenium nanoparticles for hydrogen oxidation reaction in anion exchange membrane fuel cells DOI
Yingdan Cui, Yian Wang, Fei Yang

и другие.

Chem Catalysis, Год журнала: 2024, Номер unknown, С. 101197 - 101197

Опубликована: Дек. 1, 2024

Язык: Английский

Процитировано

1

Immobilizing of Ru nanoclusters on MoO3/C for alkaline hydrogen oxidation DOI

Albert Akeno Nyaaba,

Peng Yao,

Ziliang Kang

и другие.

International Journal of Hydrogen Energy, Год журнала: 2024, Номер 110, С. 219 - 225

Опубликована: Март 1, 2024

Язык: Английский

Процитировано

0