Boosting Alcohol Oxidation Electrocatalysis with Multifactorial Engineered Pd1/Pt Single-Atom Alloy-BiOx Adatoms Surface DOI Creative Commons

Yujia Liao,

Wen Chen, Yutian Ding

et al.

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: March 3, 2025

Abstract Engineering nanomaterials at single-atomic sites could enable unprecedented catalytic properties for broad applications, yet it remains challenging to do so on the surface of multimetallic nanocrystals. Herein, we present multifactorial engineering (size, shape, phase, and composition) fully ordered PtBi nanoplates atomic level, achieving a unique catalyst where face-centered cubic ( fcc ) Pt edges are modified by isolated Pd atoms BiO x adatoms. This 1 /Pt-BiO electrocatalyst exhibits an ultrahigh mass activity 16.01 A mg −1 Pt+Pd toward ethanol oxidation in alkaline electrolyte enables direct fuel cell peak power density 56.7 mW cm −2 . The surrounding adatoms critical mitigating CO-poisoning surface, /Pt single-atom alloy further facilitates electrooxidation CH 3 2 OH. work offers new insights into rational design construction sophisticated highly efficient electrocatalysis.

Language: Английский

Unlocking Efficient Hydrogen Production: Nucleophilic Oxidation Reactions Coupled with Water Splitting DOI Creative Commons
Peng Wang, Jie Zheng,

Xu Xue

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 10, 2024

Abstract Electrocatalytic water splitting driven by sustainable energy is a clean and promising water‐chemical fuel conversion technology for the production of high‐purity green hydrogen. However, sluggish kinetics anodic oxygen evolution reaction (OER) pose challenges large‐scale hydrogen production, limiting its efficiency safety. Recently, OER has been replaced nucleophilic oxidation (NOR) with biomass as substrate coupled (HER), which attracted great interest. Anode NOR offers faster kinetics, generates high‐value products, reduces consumption. By coupling reaction, can be enhanced while yielding products or degrading pollutants. Therefore, NOR‐coupled HER another new electrolytic strategy after significance realizing development global decarbonization. This review explores potential reactions an alternative to delves into mechanisms, guiding future research in production. It assesses different methods, analyzing pathways catalyst effects. Furthermore, it evaluates role electrolyzers industrialized discusses prospects challenges. comprehensive aims advance efficient economical

Language: Английский

Citations

49

Ordered Mesoporous Crystalline Frameworks Toward Promising Energy Applications DOI
Jialong Li,

Rongyao Li,

Wendi Wang

et al.

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

Published: Jan. 2, 2024

Abstract Ordered mesoporous crystalline frameworks (MCFs), which possess both functional and well‐defined porosity, receive considerable attention because of their unique properties including high surface areas, large pore sizes, tailored porous structures, compositions. Construction novel architectures that allows for rich accessible active sites efficient mass transfer is envisaged to offer ample opportunities potential energy‐related applications. In this review, the rational synthesis, energy applications MCFs are main focus. After summarizing synthetic approaches, an emphasis placed on delicate control crystallites, mesophases, nano‐architectures by concluding basic principles showing representative examples. Afterward, currently fabricated components such as metals, metal oxides, sulfides, metal–organic described in sequence. Further, typical rechargeable batteries, supercapacitors, electrocatalysis, photocatalysis highlighted. This review ends with possible development challenges well a future prospect high‐efficiency applications, underscores pathway developing advanced materials.

Language: Английский

Citations

29

RhCuBi Trimetallenes with Composition Segregation Coupled Crystalline‐Amorphous Heterostructure Toward Ethanol Electrooxidation DOI
Fumin Li,

Chenfeng Xia,

Wensheng Fang

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(21)

Published: Feb. 19, 2024

Abstract The inefficiency of Pt and Pd benchmark catalysts in achieving complete ethanol oxidation, coupled with their inherent susceptibility to poisoning, poses a significant obstacle the advancement direct fuel cells. In this study, development self‐supported ultrathin RhCuBi trimetallenes, demonstrating exceptional performance electrooxidation through segregation interface engineering is presented. distinctive RhBi‐rich crystalline/RhCu‐rich amorphous heterostructure trimetallenes creates wealth highly active interfacial sites for oxidation reaction (EOR). This results an impressive 43.3% Faradaic efficiency C1 pathway peak mass activity 1.11 A mg Rh −1 at 0.68 V versus reversible hydrogen electrode. Moreover, retain 60% initial after 8.5 h constant potential electrolysis, outperforming commercial (<3%). In/ex situ infrared spectroscopy directly reveals generated products key CH 3 CO* intermediates EOR on trimetallenes. Theoretical calculations confirm that RhBi alloy, particularly lattice‐stretched crystalline/amorphous sites, facilitates adsorption/activation dehydrogenation toward EOR. breakthrough offers promising prospects enhancing stability cell applications.

Language: Английский

Citations

24

2D PtRhPb Mesoporous Nanosheets with Surface‐Clean Active Sites for Complete Ethanol Oxidation Electrocatalysis DOI

Dongping Fan,

Huiqin Yao, Lizhi Sun

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)

Published: July 4, 2024

The development of active and selective metal electrocatalysts for complete ethanol oxidation reaction (EOR) into desired C1 products is extremely promising practical application direct fuel cells. Despite some encouraging achievements, their activity selectivity remain unsatisfactory. In this work, it reported that 2D PtRhPb mesoporous nanosheets (MNSs) with anisotropic structure surface-clean site perform perfectly EOR electrocatalysis in both three-electrode two-electrode systems. Different to the traditional routes, a etching strategy developed produce mesopores while retaining parent anisotropy quasi-single-crystalline without mesopore-forming surfactants. This method also allows general synthesis metals other compositions structures. When being performed alkaline electrocatalysis, best MNSs deliver remarkably high (7.8 A mg

Language: Английский

Citations

24

Recent advances in hydrogen production coupled with alternative oxidation reactions DOI

Guoliang Gao,

Zixu Sun, Xueli Chen

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 509, P. 215777 - 215777

Published: March 26, 2024

Language: Английский

Citations

23

Self-Organized Gradually Single-Atom-Layer of Metal Osmium for an Unprecedented Hydrogen Production from Seawater DOI
Yang Gao, Yurui Xue, Han Wu

et al.

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(15), P. 10573 - 10580

Published: April 3, 2024

Atomic thick two-dimensional (2D) materials with exciting physical, chemical, and electronic properties are gaining increasing attention in next-generation science technology, showing great promise catalysis energy science. However, the precise design synthesis of efficient catalytic systems based on such still face many difficulties, especially how to control preparation structurally determined, highly active, atomic-scale distribution material systems. Here, we report that a active zerovalent osmium single-atom-layer thickness single atom size has been successfully controllably self-organized surface 2D graphdiyne (GDY) material. Detailed characterizations showed incomplete charge transfer effect between Os atoms GDY not only stabilized system but also improved intrinsic activity, making Gibbs free reach best resulting remarkable performance small overpotential 49 mV at 500 mA cm–2, large specific j0 18.6 turnover frequency 3.89 H2 s–1 50 mV. In addition, formation sp-C–Os bonds guarantees high long-term stability 800 h current density cm–2 alkaline simulated seawater.

Language: Английский

Citations

23

Recent achievements in selenium-based transition metal electrocatalysts for pH-universal water splitting DOI
Y.‐B. Jiang,

Sanshuang Gao,

Xijun Liu

et al.

Nano Research, Journal Year: 2024, Volume and Issue: 17(7), P. 5763 - 5785

Published: May 16, 2024

Language: Английский

Citations

19

Breaking Highly Ordered PtPbBi Intermetallic with Disordered Amorphous Phase for Boosting Electrocatalytic Hydrogen Evolution and Alcohol Oxidation DOI Creative Commons

Fukai Feng,

Chaoqun Ma,

Sumei Han

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(25)

Published: April 16, 2024

Constructing amorphous/intermetallic (A/IMC) heterophase structures by breaking the highly ordered IMC phase with disordered amorphous is an effective way to improve electrocatalytic performance of noble metal-based electrocatalysts because optimized electronic structure and abundant boundaries as active sites. In this study, we report synthesis ultrathin A/IMC PtPbBi nanosheets (NSs) for boosting hydrogen evolution reaction (HER) alcohol oxidation reactions. The resulting NSs exhibit a remarkably low overpotential only 25 mV at 10 mA cm

Language: Английский

Citations

18

Mesoporous Mo-doped PtBi intermetallic metallene superstructures to enable the complete electrooxidation of ethylene glycol DOI Creative Commons
Xiaotong Yang, Qiang Yuan, Tian Sheng

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: 15(12), P. 4349 - 4357

Published: Jan. 1, 2024

Novel freestanding M-PtBiMo IMSs were achieved via a simple and effective one-step wet chemical method. The as highly efficient anode electrocatalysts boosted the activity stability toward EGOR actual DEGFCs.

Language: Английский

Citations

17

Ultrathin porous PdPtNi nanosheets as efficient electrocatalysts for alcohol oxidation reactions DOI

Lingjun Pei,

Shaolei Xie,

Hui Guo

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 483, P. 149113 - 149113

Published: Jan. 29, 2024

Language: Английский

Citations

16