A Facile Method for Synthesizing Dendritic Core–Shell Structured Ternary Metallic Aerogels and Their Enhanced Electrochemical Performances
Abstract
Currently, three dimensional self-supported metallic structures are attractive for their unique properties of high porosity, low density, excellent conductivity etc. that promote their wide application in fuel cells. Here, for the first time, we report a facile synthesis of dendritic core-shell structured Au/Pt3Pd ternary metallic aerogels via a one-pot self-assembly gelation strategy. The as-prepared Au/Pt3Pd ternary metallic aerogels demonstrated superior electrochemical performances toward oxygen reduction reaction compared to commercial Pt/C. The unique dendritic core-shell structures, Pt3Pd alloyed shells and the cross-linked network structures are beneficial for the electrochemical oxygen reduction reaction performances of the Pt-based materials via the electronic effect, geometric effect and synergistic effect. Lastly, this strategy of fabrication of metallic hydrogels and aerogels as well as their exceptional properties hold great promise in a variety of applications.
- Authors:
-
- Washington State Univ., Pullman, WA (United States)
- Shandong Univ., Jinan (China)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Publication Date:
- Research Org.:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1340854
- Report Number(s):
- PNNL-SA-118307
Journal ID: ISSN 0897-4756; 48877; 48920; KP1704020
- Grant/Contract Number:
- AC05-76RL01830
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chemistry of Materials
- Additional Journal Information:
- Journal Volume: 28; Journal Issue: 21; Journal ID: ISSN 0897-4756
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Environmental Molecular Sciences Laboratory; palladium; redox reactions; platinum; chemical structure; hydrogels
Citation Formats
Shi, Qiurong, Zhu, Chengzhou, Li, Yijing, Xia, Haibing, Engelhard, Mark H., Fu, Shaofang, Du, Dan, and Lin, Yuehe. A Facile Method for Synthesizing Dendritic Core–Shell Structured Ternary Metallic Aerogels and Their Enhanced Electrochemical Performances. United States: N. p., 2016.
Web. doi:10.1021/acs.chemmater.6b03549.
Shi, Qiurong, Zhu, Chengzhou, Li, Yijing, Xia, Haibing, Engelhard, Mark H., Fu, Shaofang, Du, Dan, & Lin, Yuehe. A Facile Method for Synthesizing Dendritic Core–Shell Structured Ternary Metallic Aerogels and Their Enhanced Electrochemical Performances. United States. https://doi.org/10.1021/acs.chemmater.6b03549
Shi, Qiurong, Zhu, Chengzhou, Li, Yijing, Xia, Haibing, Engelhard, Mark H., Fu, Shaofang, Du, Dan, and Lin, Yuehe. Tue .
"A Facile Method for Synthesizing Dendritic Core–Shell Structured Ternary Metallic Aerogels and Their Enhanced Electrochemical Performances". United States. https://doi.org/10.1021/acs.chemmater.6b03549. https://www.osti.gov/servlets/purl/1340854.
@article{osti_1340854,
title = {A Facile Method for Synthesizing Dendritic Core–Shell Structured Ternary Metallic Aerogels and Their Enhanced Electrochemical Performances},
author = {Shi, Qiurong and Zhu, Chengzhou and Li, Yijing and Xia, Haibing and Engelhard, Mark H. and Fu, Shaofang and Du, Dan and Lin, Yuehe},
abstractNote = {Currently, three dimensional self-supported metallic structures are attractive for their unique properties of high porosity, low density, excellent conductivity etc. that promote their wide application in fuel cells. Here, for the first time, we report a facile synthesis of dendritic core-shell structured Au/Pt3Pd ternary metallic aerogels via a one-pot self-assembly gelation strategy. The as-prepared Au/Pt3Pd ternary metallic aerogels demonstrated superior electrochemical performances toward oxygen reduction reaction compared to commercial Pt/C. The unique dendritic core-shell structures, Pt3Pd alloyed shells and the cross-linked network structures are beneficial for the electrochemical oxygen reduction reaction performances of the Pt-based materials via the electronic effect, geometric effect and synergistic effect. Lastly, this strategy of fabrication of metallic hydrogels and aerogels as well as their exceptional properties hold great promise in a variety of applications.},
doi = {10.1021/acs.chemmater.6b03549},
journal = {Chemistry of Materials},
number = 21,
volume = 28,
place = {United States},
year = {Tue Oct 11 00:00:00 EDT 2016},
month = {Tue Oct 11 00:00:00 EDT 2016}
}
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