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Title: Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts

Abstract

Here, the development of superior non-platinum electrocatalysts for enhancing the electrocatalytic activity and stability for the oxygen-reduction reaction (ORR) and liquid fuel oxidation reaction is very important for the commercialization of fuel cells,but still agreat challenge.Herein, we demonstrate a new colloidal chemistry technique for making structurally ordered PdCu-based nanoparticles (NPs) with composition control from PdCu to PdCuNi and PtCuCo.Under the dual tuning on the composition and intermetallic phase,the ordered PdCuCo NPs exhibit better activity and much enhanced stability for ORR and ethanol-oxidation reaction (EOR)than those of disordered PdCuM NPs,the commercial Pt/Cand Pd/C catalysts.The density functional theory (DFT)calculations reveal that the improved ORR activity on the PdCuM NPs stems from the catalytically active hollow sites arising from the ligand effect and the compressive strain on thePd surface owing to the smaller atomic size of Cu, Co,and Ni.

Authors:
 [1];  [1]; ORCiD logo [2];  [3];  [4];  [3]; ORCiD logo [4];  [1]
  1. Soochow Univ., Jiangsu (China)
  2. Peking Univ., Beijing (China)
  3. California State Univ., Northridge, CA (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1438308
Alternate Identifier(s):
OSTI ID: 1401678
Report Number(s):
BNL-205664-2018-JAAM
Journal ID: ISSN 1433-7851
Grant/Contract Number:  
SC0012704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 55; Journal Issue: 31; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
29 ENERGY PLANNING, POLICY AND ECONOMY; Ordered PdCu-Based Nanoparticles; Electrocatalysts; ORR

Citation Formats

Jiang, Kezhu, Wang, Pengtang, Guo, Shaojun, Zhang, Xu, Shen, Xuan, Lu, Gang, Su, Dong, and Huang, Xiaoqing. Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts. United States: N. p., 2016. Web. doi:10.1002/anie.201603022.
Jiang, Kezhu, Wang, Pengtang, Guo, Shaojun, Zhang, Xu, Shen, Xuan, Lu, Gang, Su, Dong, & Huang, Xiaoqing. Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts. United States. doi:10.1002/anie.201603022.
Jiang, Kezhu, Wang, Pengtang, Guo, Shaojun, Zhang, Xu, Shen, Xuan, Lu, Gang, Su, Dong, and Huang, Xiaoqing. Thu . "Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts". United States. doi:10.1002/anie.201603022. https://www.osti.gov/servlets/purl/1438308.
@article{osti_1438308,
title = {Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts},
author = {Jiang, Kezhu and Wang, Pengtang and Guo, Shaojun and Zhang, Xu and Shen, Xuan and Lu, Gang and Su, Dong and Huang, Xiaoqing},
abstractNote = {Here, the development of superior non-platinum electrocatalysts for enhancing the electrocatalytic activity and stability for the oxygen-reduction reaction (ORR) and liquid fuel oxidation reaction is very important for the commercialization of fuel cells,but still agreat challenge.Herein, we demonstrate a new colloidal chemistry technique for making structurally ordered PdCu-based nanoparticles (NPs) with composition control from PdCu to PdCuNi and PtCuCo.Under the dual tuning on the composition and intermetallic phase,the ordered PdCuCo NPs exhibit better activity and much enhanced stability for ORR and ethanol-oxidation reaction (EOR)than those of disordered PdCuM NPs,the commercial Pt/Cand Pd/C catalysts.The density functional theory (DFT)calculations reveal that the improved ORR activity on the PdCuM NPs stems from the catalytically active hollow sites arising from the ligand effect and the compressive strain on thePd surface owing to the smaller atomic size of Cu, Co,and Ni.},
doi = {10.1002/anie.201603022},
journal = {Angewandte Chemie (International Edition)},
number = 31,
volume = 55,
place = {United States},
year = {Thu Jun 02 00:00:00 EDT 2016},
month = {Thu Jun 02 00:00:00 EDT 2016}
}

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Works referenced in this record:

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