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http://hdl.handle.net/1942/21144
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DC Field | Value | Language |
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dc.contributor.author | BACH, Philipp | - |
dc.contributor.author | Valencia-Jaime, Irais | - |
dc.contributor.author | Rütt, Uta | - |
dc.contributor.author | Gutowski, Olof | - |
dc.contributor.author | Romero, Aldo H. | - |
dc.contributor.author | RENNER, Frank | - |
dc.date.accessioned | 2016-05-19T12:27:22Z | - |
dc.date.available | 2016-05-19T12:27:22Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | CHEMISTRY OF MATERIALS, 28 (9), p. 2941-2948 | - |
dc.identifier.issn | 0897-4756 | - |
dc.identifier.uri | http://hdl.handle.net/1942/21144 | - |
dc.description.abstract | Significant developments of Li-ion batteries will be necessary to cope with the growing demands in electromobility or home storage of (sustainable) electrical energy. A detailed knowledge on the microscopic processes during battery cycling will be increasingly crucial for improvements. Involved phase changes at ambient temperature often involve metastable intermediate states, making both experimental observation and theoretical prediction of process pathways difficult. Here we describe an in situ high energy Xray diffraction study following the initial alloying and dealloying of Li with an Au thin-film model anode using ionic liquid electrolyte. Six different crystalline alloy phases were observed to be involved in the cyclic phase transitions. Apart from the highest lithiated phase determined in this study, Li3Au, none of the observed phases could be related to known, thermodynamically stable Li−Au phases. Structural search calculations following the minima hopping method (MHM) allowed the assignment of these phases to distinct metastable Au−Li alloy unit cells. | - |
dc.description.sponsorship | Portions of this research were carried out at beamline P07 of the light source PETRA III at DESY, a member of the Helmholtz Association (HGF). This work was in part supported by the German Federal Ministry for Education and Research (BMBF) in the framework of the Kompetenzverbund Nord project. The authors used the Extreme Science and Engineering Discovery Environment (XSEDE), which is supported by the U.S.A. National Science Foundation grant number OCI-1053575. Additionally, the authors acknowledge the support from the Texas Advanced Computer Center (TACC) and Super Computing System (Mountaineer) at WVU, which are funded in part by the National Science Foundation EPSCoR Research Infrastructure Improvement Cooperative Agreement 1003907, the state of West Virginia (WVEPSCoR via the Higher Education Policy Commission) and WVU. A.H.R. and I.V.-J. acknowledge the support of NSF under project 1434897 and the Donors of the American Chemical Society Petroleum Research Fund for partial support of this research under contract 54075-ND10. | - |
dc.language.iso | en | - |
dc.rights | © 2016 American Chemical Society | - |
dc.title | Electrochemical Lithiation Cycles of Gold Anodes Observed by In Situ High-Energy X-ray Diffraction | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 2948 | - |
dc.identifier.issue | 9 | - |
dc.identifier.spage | 2941 | - |
dc.identifier.volume | 28 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Renner, FU (reprint author), Hasselt Univ, Inst Mat Res IMO, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. frank.renner@uhasselt.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.identifier.doi | 10.1021/acs.chemmater.5b04719 | - |
dc.identifier.isi | 000375810400010 | - |
item.fulltext | With Fulltext | - |
item.accessRights | Restricted Access | - |
item.fullcitation | BACH, Philipp; Valencia-Jaime, Irais; Rütt, Uta; Gutowski, Olof; Romero, Aldo H. & RENNER, Frank (2016) Electrochemical Lithiation Cycles of Gold Anodes Observed by In Situ High-Energy X-ray Diffraction. In: CHEMISTRY OF MATERIALS, 28 (9), p. 2941-2948. | - |
item.validation | ecoom 2017 | - |
item.contributor | BACH, Philipp | - |
item.contributor | Valencia-Jaime, Irais | - |
item.contributor | Rütt, Uta | - |
item.contributor | Gutowski, Olof | - |
item.contributor | Romero, Aldo H. | - |
item.contributor | RENNER, Frank | - |
crisitem.journal.issn | 0897-4756 | - |
crisitem.journal.eissn | 1520-5002 | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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acs%2Echemmater%2E5b04719.pdf Restricted Access | Published version | 4.29 MB | Adobe PDF | View/Open Request a copy |
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