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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Synthesis of porous carbon supported palladium nanoparticle catalysts by atomic layer deposition: Application for rechargeable lithium-O
2
battery
Nano Letters, Volume 13, No. 9, Year 2013
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Description
In this study, atomic layer deposition (ALD) was used to deposit nanostructured palladium on porous carbon as the cathode material for Li-O 2 cells. Scanning transmission electron microscopy showed discrete crystalline nanoparticles decorating the surface of the porous carbon support, where the size could be controlled in the range of 2-8 nm and depended on the number of Pd ALD cycles performed. X-ray absorption spectroscopy at the Pd K-edge revealed that the carbon supported Pd existed in a mixed phase of metallic palladium and palladium oxide. The conformality of ALD allowed us to uniformly disperse the Pd catalyst onto the carbon support while preserving the initial porous structure. As a result, the charging and discharging performance of the oxygen cathode in a Li-O2 cell was improved. Our results suggest that ALD is a promising technique for tailoring the surface composition and structure of nanoporous supports in energy storage devices. © 2013 American Chemical Society.
Authors & Co-Authors
Lei, Yu
United States, Lemont
Argonne National Laboratory
Lu, Jun
United States, Lemont
Argonne National Laboratory
Luo, Xiangyi
United States, Lemont
Argonne National Laboratory
United States, Salt Lake City
The University of Utah
Wu, Tianpin
United States, Lemont
The Advanced Photon Source
Du, Peng
United States, Lemont
Argonne National Laboratory
Zhang, Xiaoyi
United States, Lemont
The Advanced Photon Source
Ren, Yang
United States, Lemont
The Advanced Photon Source
Wen, Jianguo
United States, Lemont
Argonne National Laboratory
Miller, Dean J.
United States, Lemont
Argonne National Laboratory
Miller, Jeffrey T.
United States, Lemont
Argonne National Laboratory
Sun, Yang Kook
South Korea, Seoul
Hanyang University
Elam, Jeffrey W.
United States, Lemont
Argonne National Laboratory
Amine, Khalil M.
United States, Lemont
Argonne National Laboratory
Saudi Arabia, Jeddah
King Abdulaziz University
Statistics
Citations: 184
Authors: 13
Affiliations: 5
Identifiers
Doi:
10.1021/nl401833p
ISSN:
15306984
e-ISSN:
15306992
Research Areas
Environmental