Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts
Abstract
Abstract 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 a great 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/C and 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 the Pd surface owing to the smaller atomic size of Cu, Co, and Ni.
- Authors:
-
- Soochow Univ., Jiangsu (China)
- Peking Univ., Beijing (China)
- California State Univ., Northridge, CA (United States)
- 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)
- 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 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. https://doi.org/10.1002/anie.201603022
Jiang, Kezhu, Wang, Pengtang, Guo, Shaojun, Zhang, Xu, Shen, Xuan, Lu, Gang, Su, Dong, and Huang, Xiaoqing. 2016.
"Ordered PdCu-Based Nanoparticles as Bifunctional Oxygen-Reduction and Ethanol-Oxidation Electrocatalysts". United States. https://doi.org/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 = {Abstract 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 a great 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/C and 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 the Pd surface owing to the smaller atomic size of Cu, Co, and Ni.},
doi = {10.1002/anie.201603022},
url = {https://www.osti.gov/biblio/1438308},
journal = {Angewandte Chemie (International Edition)},
issn = {1433-7851},
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}
}
Web of Science
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