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Anisotropic Li+ ion conductivity in a large single crystal of a Co(III) coordination complex

Title
Anisotropic Li+ ion conductivity in a large single crystal of a Co(III) coordination complex
Authors
Kim, Saet ByeolKim, Jeung YoonJeong, Nak CheonOk, Kang Min
DGIST Authors
Jeong, Nak Cheon
Issue Date
2017
Citation
Inorganic Chemistry Frontiers, 4(1), 79-83
Type
Article
Article Type
Article
Keywords
METAL-ORGANIC FRAMEWORKSPROTON CONDUCTIVITYLITHIUM BATTERIESPLASTIC CRYSTALELECTROLYTESTRANSPORTPOLYMERSENHANCEMENTCONDUCTORSCHEMISTRY
ISSN
2052-1553
Abstract
Large single crystals of a novel lithium cobalt coordination compound, LiCo(NC5H3(CO2)2)2(H2O)2.125 [LiCo(PDC)2] were grown via a hydrothermal reaction in high yield. The electrochemical impedance spectroscopy (EIS) data measured on a large single crystal of LiCo(PDC)2 revealed very interesting anisotropic Li+ ion conductivity. The redox potential for Co3+/Co4+ observed at ca. 200 mV in the cyclic voltammogram was consistent with the electric potential where the ionic conductivity occurred. Detailed structural analysis on a series of stoichiometrically equivalent cobalt coordination compounds, ACo(PDC)2 (A = Na+, K+, and H3O+), indicated that the presence of ion channels as well as a suitable cation size is critical for the anisotropic ionic conductivity. © the Partner Organisations 2017.
URI
http://hdl.handle.net/20.500.11750/2088
DOI
10.1039/c6qi00314a
Publisher
Royal Society of Chemistry
Related Researcher
  • Author Jeong, Nak Cheon NC(Nanoporous-materials Chemistry for Fundamental Science) Lab
  • Research Interests Inorganic Chemistry; Metal-Organic Framework; Nanoporous Materials; Electron Transport;Ion Transport
Files:
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Collection:
Department of Emerging Materials ScienceNC(Nanoporous-materials Chemistry for Fundamental Science) Lab1. Journal Articles


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