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Author

Kwak, Ja Hun
Molecular Catalysis lab
Research Interests
  • Heterogeneous catalysis, molecular catalysis, ASlumima, zeolites

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Molecular Engineered Safer Organic Battery through the Incorporation of Flame Retarding Organophosphonate Moiety

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Title
Molecular Engineered Safer Organic Battery through the Incorporation of Flame Retarding Organophosphonate Moiety
Author
Lee, Hyun HoNam, DongsikKim, Choon-KiKim, KoeunLee, YongwonAhn, Young JunLee, Jae BinKwak, Ja HunChoe, WonyoungChoi, Nam-SoonHong, Sung You
Keywords
electrodes; lithium-ion batteries; metal− organic frameworks; organophosphorus compound; safety
Issue Date
201803
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED MATERIALS & INTERFACES, v.10, no.12, pp.10096 - 10101
Abstract
Here, we report the first electrochemical assessment of organophosphonate-based compound as a safe electrode material for lithium-ion batteries, which highlights the reversible redox activity and inherent flame retarding property. Dinickel 1,4-benzenediphosphonate delivers a high reversible capacity of 585 mA h g–1 with stable cycle performance. It expands the scope of organic batteries, which have been mainly dominated by the organic carbonyl family to date. The redox chemistry is elucidated by X-ray absorption spectroscopy and solid-state 31P NMR investigations. Differential scanning calorimetry profiles of the lithiated electrode material exhibit suppressed heat release, delayed onset temperature, and endothermic behavior in the elevated temperature zone.
URI
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DOI
http://dx.doi.org/10.1021/acsami.7b19349
ISSN
1944-8244
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SNS_Journal Papers
ECHE_Journal Papers

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