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Polymers 2019, 11(1), 126; https://doi.org/10.3390/polym11010126

Synthesis, Structures and Electrochemical Properties of Lithium 1,3,5-Benzenetricarboxylate Complexes

1
Department of Chemistry, Chung-Yuan Christian University, Chungli 320, Taiwan
2
Department of Chemical Engineering, Chung-Yuan Christian University, Chungli 320, Taiwan
*
Authors to whom correspondence should be addressed.
Received: 26 November 2018 / Revised: 4 January 2019 / Accepted: 5 January 2019 / Published: 12 January 2019
(This article belongs to the Special Issue Advances in Coordination Polymers)
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Abstract

Four lithium coordination polymers, [Li3(BTC)(H2O)6] (1), [Li3(BTC)(H2O)5] (2), [Li3(BTC)(μ2-H2O)] (3), and [Li(H2BTC)(H2O)] (4) (H3BTC = 1,3,5-benzenetricarboxylatic acid), have been synthesized and characterized. All the structures have been determined using single crystal X-ray diffraction studies. Complexes 1 and 2 have two-dimensional (2-D) sheets, whereas complex 3 has three-dimensional (3-D) frameworks and complex 4 has one-dimensional (1-D) tubular chains. The crystal-to-crystal transformation was observed in 13 upon removal of water molecules, which accompanied the changes in structures and ligand bridging modes. Furthermore, the electrochemical properties of complexes 3 and 4 have been studied to evaluate these compounds as electrode materials in lithium ion batteries with the discharge capacities of 120 and 257 mAhg−1 in the first thirty cycles, respectively. View Full-Text
Keywords: lithium; coordination polymers; electrochemical properties; framework structures lithium; coordination polymers; electrochemical properties; framework structures
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Cheng, P.-C.; Li, B.-H.; Tseng, F.-S.; Liang, P.-C.; Lin, C.-H.; Liu, W.-R. Synthesis, Structures and Electrochemical Properties of Lithium 1,3,5-Benzenetricarboxylate Complexes. Polymers 2019, 11, 126.

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