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http://dx.doi.org/10.5229/JKES.2019.22.3.122

Improving the Electrochemical Properties of Lithium Terephthalate-based Lithium-Organic Battery with A Graphite Coated Current Collector  

Kwon, O Hyeon (Department of Energy Convergence Engineering, Cheongju University)
Kim, Jong Bin (Department of Energy Convergence Engineering, Cheongju University)
Kim, Jae-Kwang (Department of Energy Convergence Engineering, Cheongju University)
Publication Information
Journal of the Korean Electrochemical Society / v.22, no.3, 2019 , pp. 122-127 More about this Journal
Abstract
In this study, we investigate the electrochemical performance of lithium terephthalate (LTA) battery using graphite coated metal current collector to overcome the disadvantages of organic batteries which is high interfacial resistance between current collector and electrode. The LTA anode material is synthesized by acid-based ion exchange reaction without impurities. The contact properties between stick-type LTA-based electrode and graphite coated current collector are estimated by the cross-section SEM and EIS. The graphite coated current collector significantly reduced the interfacial resistance of the LTA battery. The second discharge capacities of bare current collector LTA and graphite coated current collector LTA batteries are 107.6 mAh/g and 148.8 mAh/g at 0.1C, respectively. The graphite coated current collector LTA batteries show higher cycle life, higher discharge capacity, and higher rate-capability than bare LTA batteries.
Keywords
Lithium Terephthalate; Current Collector; Charge Transfer; Electrochemical Performance; Organic Battery;
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Times Cited By KSCI : 3  (Citation Analysis)
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