Pt Single Atoms on CrN Nanoparticles Deliver Outstanding Activity and CO Tolerance in the Hydrogen Oxidation Reaction

Zhaojun Yang; Chaoqiu Chen; Yunxuan Zhao; Qing Wang; Jiaqi Zhao; Geoffrey I.N. Waterhouse; Yong Qin; Lu Shang; Tierui Zhang

doi:10.1002/adma.202208799

Pt Single Atoms on CrN Nanoparticles Deliver Outstanding Activity and CO Tolerance in the Hydrogen Oxidation Reaction

Zhaojun Yang, Chaoqiu Chen, Yunxuan Zhao, Qing Wang, Jiaqi Zhao, Geoffrey I.N. Waterhouse, Yong Qin, Lu Shang, Tierui Zhang

科研成果: 期刊稿件 › 文章 › 同行评审

92 引用（Scopus）

摘要

The large-scale application of proton exchange membrane fuel cells is currently hampered by high cost of commercial Pt catalysts and their susceptibility to poisoning by CO impurities in H₂ feed. In this context, the development of CO-tolerant electrocatalysts with high Pt atom utilization efficiency for hydrogen oxidation reaction (HOR) is of critical importance. Herein, Pt single atoms are successfully immobilized on chromium nitride nanoparticles by atomic layer deposition method, denoted as Pt SACs/CrN. Electrochemical tests establish Pt SACs/CrN to be a very efficient HOR catalyst, with a mass activity that is 5.7 times higher than commercial PtRu/C. Strikingly, the excellent performance of Pt SACs/CrN is maintained after introducing 1000 ppm of CO in H₂ feed. The excellent CO-tolerance of Pt SACs/CrN is related to weaker CO adsorption on Pt single atoms. This work provides guidelines for the design and construction of active and CO-tolerant catalysts for HOR.

源语言	英语
文章编号	2208799
期刊	Advanced Materials
卷	35
期	1
DOI	https://doi.org/10.1002/adma.202208799
出版状态	已出版 - 5 1月 2023
已对外发布	是

访问文件

10.1002/adma.202208799

其它文件与链接

链接到 Scopus 的出版物

引用此

@article{fa412883cca5466bb687bc41174b709b,

title = "Pt Single Atoms on CrN Nanoparticles Deliver Outstanding Activity and CO Tolerance in the Hydrogen Oxidation Reaction",

abstract = "The large-scale application of proton exchange membrane fuel cells is currently hampered by high cost of commercial Pt catalysts and their susceptibility to poisoning by CO impurities in H2 feed. In this context, the development of CO-tolerant electrocatalysts with high Pt atom utilization efficiency for hydrogen oxidation reaction (HOR) is of critical importance. Herein, Pt single atoms are successfully immobilized on chromium nitride nanoparticles by atomic layer deposition method, denoted as Pt SACs/CrN. Electrochemical tests establish Pt SACs/CrN to be a very efficient HOR catalyst, with a mass activity that is 5.7 times higher than commercial PtRu/C. Strikingly, the excellent performance of Pt SACs/CrN is maintained after introducing 1000 ppm of CO in H2 feed. The excellent CO-tolerance of Pt SACs/CrN is related to weaker CO adsorption on Pt single atoms. This work provides guidelines for the design and construction of active and CO-tolerant catalysts for HOR.",

keywords = "CO tolerance, Pt single-atom catalysts, chromium nitride, electrocatalysis, hydrogen oxidation reaction",

author = "Zhaojun Yang and Chaoqiu Chen and Yunxuan Zhao and Qing Wang and Jiaqi Zhao and Waterhouse, {Geoffrey I.N.} and Yong Qin and Lu Shang and Tierui Zhang",

note = "Publisher Copyright: {\textcopyright} 2022 Wiley-VCH GmbH.",

year = "2023",

month = jan,

day = "5",

doi = "10.1002/adma.202208799",

language = "英语",

volume = "35",

journal = "Advanced Materials",

issn = "0935-9648",

publisher = "Wiley-Blackwell",

number = "1",

}

TY - JOUR

T1 - Pt Single Atoms on CrN Nanoparticles Deliver Outstanding Activity and CO Tolerance in the Hydrogen Oxidation Reaction

AU - Yang, Zhaojun

AU - Chen, Chaoqiu

AU - Zhao, Yunxuan

AU - Wang, Qing

AU - Zhao, Jiaqi

AU - Waterhouse, Geoffrey I.N.

AU - Qin, Yong

AU - Shang, Lu

AU - Zhang, Tierui

PY - 2023/1/5

Y1 - 2023/1/5

N2 - The large-scale application of proton exchange membrane fuel cells is currently hampered by high cost of commercial Pt catalysts and their susceptibility to poisoning by CO impurities in H2 feed. In this context, the development of CO-tolerant electrocatalysts with high Pt atom utilization efficiency for hydrogen oxidation reaction (HOR) is of critical importance. Herein, Pt single atoms are successfully immobilized on chromium nitride nanoparticles by atomic layer deposition method, denoted as Pt SACs/CrN. Electrochemical tests establish Pt SACs/CrN to be a very efficient HOR catalyst, with a mass activity that is 5.7 times higher than commercial PtRu/C. Strikingly, the excellent performance of Pt SACs/CrN is maintained after introducing 1000 ppm of CO in H2 feed. The excellent CO-tolerance of Pt SACs/CrN is related to weaker CO adsorption on Pt single atoms. This work provides guidelines for the design and construction of active and CO-tolerant catalysts for HOR.

AB - The large-scale application of proton exchange membrane fuel cells is currently hampered by high cost of commercial Pt catalysts and their susceptibility to poisoning by CO impurities in H2 feed. In this context, the development of CO-tolerant electrocatalysts with high Pt atom utilization efficiency for hydrogen oxidation reaction (HOR) is of critical importance. Herein, Pt single atoms are successfully immobilized on chromium nitride nanoparticles by atomic layer deposition method, denoted as Pt SACs/CrN. Electrochemical tests establish Pt SACs/CrN to be a very efficient HOR catalyst, with a mass activity that is 5.7 times higher than commercial PtRu/C. Strikingly, the excellent performance of Pt SACs/CrN is maintained after introducing 1000 ppm of CO in H2 feed. The excellent CO-tolerance of Pt SACs/CrN is related to weaker CO adsorption on Pt single atoms. This work provides guidelines for the design and construction of active and CO-tolerant catalysts for HOR.

KW - CO tolerance

KW - Pt single-atom catalysts

KW - chromium nitride

KW - electrocatalysis

KW - hydrogen oxidation reaction

UR - http://www.scopus.com/inward/record.url?scp=85142218326&partnerID=8YFLogxK

U2 - 10.1002/adma.202208799

DO - 10.1002/adma.202208799

M3 - 文章

AN - SCOPUS:85142218326

SN - 0935-9648

VL - 35

JO - Advanced Materials

JF - Advanced Materials

IS - 1

M1 - 2208799

ER -

Pt Single Atoms on CrN Nanoparticles Deliver Outstanding Activity and CO Tolerance in the Hydrogen Oxidation Reaction

摘要

访问文件

其它文件与链接

指纹

引用此