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Choi, Nam-Soon
Energy Materials Lab
Research Interests
  • Rechargeable lithium battery, electrolytes for next generation Mg and Na battery

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Scavenging Materials to Stabilize LiPF6‐Containing Carbonate‐Based Electrolytes for Li‐Ion Batteries

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Title
Scavenging Materials to Stabilize LiPF6‐Containing Carbonate‐Based Electrolytes for Li‐Ion Batteries
Author
Han, Jung-GuKim, KoeunLee, YongwonChoi, Nam-Soon
Issue Date
2019-05
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v.31, no.20, pp.1804822
Abstract
In conjunction with electrolyte additives used for tuning the interfacial structures of electrodes, functional materials that eliminate or deactivate reactive substances generated by the degradation of LiPF6‐containing electrolytes in lithium‐ion batteries offer a wide range of electrolyte formulation opportunities. Herein, the recent advancements in the development of: (i) scavengers with high selectivity and affinity toward unwanted species and (ii) promoters of ion‐paired LiPF6 dissociation are highlighted, showing that the utilization of the above additives can effectively mitigate the problem of electrolyte instability that commonly results in battery performance degradation and lifetime shortening. A deep mechanistic understanding of LiPF6‐containing electrolyte failure and the action of currently developed additives is demonstrated to enable the rational design of effective scavenging materials and thus allow the fabrication of highly reliable batteries.
URI
https://scholarworks.unist.ac.kr/handle/201301/25288
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/adma.201804822
DOI
10.1002/adma.201804822
ISSN
0935-9648
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ECHE_Journal Papers
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