dc.contributor.author | Lu, Yi-Chun | |
dc.contributor.author | Xu, Zhichuan | |
dc.contributor.author | Gasteiger, Hubert A. | |
dc.contributor.author | Chen, Shuo | |
dc.contributor.author | Hamad-Schifferli, Kimberly | |
dc.contributor.author | Shao-Horn, Yang | |
dc.date.accessioned | 2011-08-12T18:03:02Z | |
dc.date.available | 2011-08-12T18:03:02Z | |
dc.date.issued | 2010-06 | |
dc.identifier.issn | 0002-7863 | |
dc.identifier.issn | 1520-5126 | |
dc.identifier.uri | http://hdl.handle.net/1721.1/65124 | |
dc.description.abstract | PtAu nanoparticles (NPs) were shown to strongly enhance the kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in rechargeable Li−O2 cells. Li−O2 cells with PtAu/C were found to exhibit the highest round-trip efficiency reported to date. During ORR via xLi+ + O2 + xe− → LixO2, the discharge voltage with PtAu/C was considerably higher than that of pure carbon and comparable to that of Au/C. During OER via LixO2 → xLi+ + O2 + xe−, the charge voltages with PtAu/C fell in the range from 3.4 to 3.8 VLi, which is slightly lower than obtained with Pt. It is hypothesized that PtAu NPs exhibit bifunctional catalytic activity, having surface Au and Pt atoms primarily responsible for ORR and OER kinetics in Li−O2 cells, respectively. | en_US |
dc.description.sponsorship | United States. Dept. of Energy (DE-AC03-76SF00098 with LBNL) | en_US |
dc.description.sponsorship | National Science Foundation (U.S.) (award DMR-0819762) | en_US |
dc.language.iso | en_US | |
dc.publisher | American Chemical Society | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1021/ja1036572 | en_US |
dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | en_US |
dc.source | Prof. Hamad-Schifferli | en_US |
dc.title | Platinum-Gold Nanoparticles: A Highly Active Bifunctional Electrocatalyst for Rechargeable Lithium-Air Batteries | en_US |
dc.type | Article | en_US |
dc.identifier.citation | Lu, Yi-Chun et al. “Platinum−Gold Nanoparticles: A Highly Active Bifunctional Electrocatalyst for Rechargeable Lithium−Air Batteries.” Journal of the American Chemical Society 132.35 (2010) : 12170-12171. | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Biological Engineering | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Materials Science and Engineering | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Mechanical Engineering | en_US |
dc.contributor.approver | Hamad-Schifferli, Kimberly | |
dc.contributor.mitauthor | Lu, Yi-Chun | |
dc.contributor.mitauthor | Xu, Zhichuan | |
dc.contributor.mitauthor | Gasteiger, Hubert A. | |
dc.contributor.mitauthor | Chen, Shuo | |
dc.contributor.mitauthor | Hamad-Schifferli, Kimberly | |
dc.contributor.mitauthor | Shao-Horn, Yang | |
dc.relation.journal | Journal of the Americal Chemical Society | en_US |
dc.eprint.version | Author's final manuscript | en_US |
dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
dspace.orderedauthors | Lu, Yi-Chun; Xu, Zhichuan; Gasteiger, Hubert A.; Chen, Shuo; Hamad-Schifferli, Kimberly; Shao-Horn, Yang | en |
dc.identifier.orcid | https://orcid.org/0000-0001-7746-5920 | |
dc.identifier.orcid | https://orcid.org/0000-0001-8199-8703 | |
dc.identifier.orcid | https://orcid.org/0000-0002-5732-663X | |
mit.license | PUBLISHER_POLICY | en_US |
mit.metadata.status | Complete | |