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Anisotropic Li+ ion conductivity in a large single crystal of a Co(III) coordination complex
- Anisotropic Li+ ion conductivity in a large single crystal of a Co(III) coordination complex
- Kim, Saet Byeol; Kim, Jeung Yoon; Jeong, Nak Cheon; Ok, Kang Min
- DGIST Authors
- Jeong, Nak Cheon
- Issue Date
- Inorganic Chemistry Frontiers, 4(1), 79-83
- Article Type
- METAL-ORGANIC FRAMEWORKS; PROTON CONDUCTIVITY; LITHIUM BATTERIES; PLASTIC CRYSTAL; ELECTROLYTES; TRANSPORT; POLYMERS; ENHANCEMENT; CONDUCTORS; CHEMISTRY
- 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.
- Royal Society of Chemistry
- Related Researcher
Jeong, Nak Cheon
NC(Nanoporous-materials Chemistry for Fundamental Science) Lab
Inorganic Chemistry; Metal-Organic Framework; Nanoporous Materials; Electron Transport;Ion Transport
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- Department of Emerging Materials ScienceNC(Nanoporous-materials Chemistry for Fundamental Science) Lab1. Journal Articles
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