On the incompatibility of lithium–O2 battery technology with CO2 † †Electronic supplementary information (ESI) available: Full experimental, crystallographic and spectroscopic data. CCDC 1512972. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc01230f Click here for additional data file. Click here for additional data file.

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On the incompatibility of lithium–O2 battery technology with CO2 † †Electronic supplementary information (ESI) available: Full experimental, crystallographic and spectroscopic data. CCDC 1512972. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc01230f Click here for additional data file. Click here for additional data file.

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Title: On the incompatibility of lithium–O2 battery technology with CO2 † †Electronic supplementary information (ESI) available: Full experimental, crystallographic and spectroscopic data. CCDC 1512972. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc01230f Click here for additional data file. Click here for additional data file.
Author: Zhang, Shiyu; Nava, Matthew J.; Chow, Gary K.; Lopez, Nazario; Wu, Gang; Britt, David R.; Nocera, Daniel G.; Cummins, Christopher C.

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Citation: Zhang, Shiyu, Matthew J. Nava, Gary K. Chow, Nazario Lopez, Gang Wu, David R. Britt, Daniel G. Nocera, and Christopher C. Cummins. 2017. “On the incompatibility of lithium–O2 battery technology with CO2 † †Electronic supplementary information (ESI) available: Full experimental, crystallographic and spectroscopic data. CCDC 1512972. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc01230f Click here for additional data file. Click here for additional data file.” Chemical Science 8 (9): 6117-6122. doi:10.1039/c7sc01230f. http://dx.doi.org/10.1039/c7sc01230f.
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Abstract: When solubilized in a hexacarboxamide cryptand anion receptor, the peroxide dianion reacts rapidly with CO2 in polar aprotic organic media to produce hydroperoxycarbonate (HOOCO2 –) and peroxydicarbonate (–O2COOCO2 –). Peroxydicarbonate is subject to thermal fragmentation into two equivalents of the highly reactive carbonate radical anion, which promotes hydrogen atom abstraction reactions responsible for the oxidative degradation of organic solvents. The activation and conversion of the peroxide dianion by CO2 is general. Exposure of solid lithium peroxide (Li2O2) to CO2 in polar aprotic organic media results in aggressive oxidation. These findings indicate that CO2 must not be introduced in conditions relevant to typical lithium–O2 cell configurations, as production of HOOCO2 – and –O2COOCO2 – during lithium–O2 cell cycling will lead to cell degradation via oxidation of organic electrolytes and other vulnerable cell components.
Published Version: doi:10.1039/c7sc01230f
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5625616/pdf/
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Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34492513
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