| Screening for Superoxide Reactivity in Li-O2 Batteries: Effect on Li2O2/LiOH Crystallization. | |
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MedLine Citation:
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PMID: 22283803 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Unravelling the fundamentals of Li-O2 battery chemistry is crucial to develop practical cells with energy densities that could approach their high theoretical values. We report here a straightforward chemical approach that probes the outcome of the superoxide O2-, thought to initiate the elec-trochemical processes in the cell. We show this serves as a good measure of electrolyte and binder stability. Superoxide readily dehydrofluorinates polyvinylidene to give byproducts that react with catalysts to produce LiOH. The Li2O2 product morphology is a function of these factors, and can affect Li-O2 cell performance. This methodology is widely applicable as a probe of other potential cell components. |
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Authors:
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Robert W Black; Si Hyoung Oh; Jin-Hyon Lee; Taeeun Yim; Brian Adams; Linda Faye Nazar |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-27 |
Journal Detail:
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Title: Journal of the American Chemical Society Volume: - ISSN: 1520-5126 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503056 Medline TA: J Am Chem Soc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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