Structural and Mechanistic Revelations on an Iron Conversion Reaction from Pair Distribution Function Analysis

Not simply small particles: Pair distribution function analysis (see picture) yields comprehensive insights into the electrochemical reaction of α‐Fe2O3 with lithium. The metallic Fe formed in this reaction was found to be defect‐rich nanoparticles that restructure continuously without growing—an un...

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Published inAngewandte Chemie International Edition Vol. 51; no. 20; pp. 4852 - 4855
Main Authors Shyam, Badri, Chapman, Karena W., Balasubramanian, Mahalingam, Klingler, Robert J., Srajer, George, Chupas, Peter J.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 14.05.2012
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
EditionInternational ed. in English
Subjects
Conversion
Distribution functions
electrochemistry
energy conversion
Iron
Iron and steel industry
Lithium
Nanoparticles
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Summary:Not simply small particles: Pair distribution function analysis (see picture) yields comprehensive insights into the electrochemical reaction of α‐Fe2O3 with lithium. The metallic Fe formed in this reaction was found to be defect‐rich nanoparticles that restructure continuously without growing—an unusual characteristic likely linked to its highly reversible capacity.
Bibliography:istex:0B65C9AF2FB6E46E867EC6735A2041510A82009D
U.S. DOE Office of Science by Argonne National Laboratory - No. DE-AC02-06CH11357
ark:/67375/WNG-F7K8FDNQ-5
ArticleID:ANIE201200244
Work done at Argonne and use of the Advanced Photon Source (APS), an Office of Science User Facility operated for the U.S. DOE Office of Science by Argonne National Laboratory, were supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. The electrochemistry laboratory maintained by the Structural Science group at the APS is jointly supported by Argonne and the Northeastern Center for Chemical Energy Storage, an Energy Frontier Research Center funded by the U.S. DOE under award No. DE-SC0001294. We acknowledge discussions with K. Wiaderek, S. Pol, O. Borkiewicz, R. Winans, K. Nemeth, S. Heald, and G. Sandi-Tapia.
Work done at Argonne and use of the Advanced Photon Source (APS), an Office of Science User Facility operated for the U.S. DOE Office of Science by Argonne National Laboratory, were supported by the U.S. DOE under Contract No. DE‐AC02‐06CH11357. The electrochemistry laboratory maintained by the Structural Science group at the APS is jointly supported by Argonne and the Northeastern Center for Chemical Energy Storage, an Energy Frontier Research Center funded by the U.S. DOE under award No. DE‐SC0001294. We acknowledge discussions with K. Wiaderek, S. Pol, O. Borkiewicz, R. Winans, K. Nemeth, S. Heald, and G. Sandi‐Tapia.
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ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201200244