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A Hybrid Power Source with a Shared Electrode of Polyaniline Doped with LiPF6
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- Authors
- Kwang Sun Ryu, Kwang Man Kim
- Issue Date
- 2007-02
- Citation
- Journal of Power Sources, v.165, no.1, pp.420-426
- ISSN
- 0378-7753
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We fabricated a hybrid power source device with three electrodes of which one was a LiPF6-doped polyaniline (PAn) electrode playing the roles of both the positive electrode of a lithium secondary battery and an electrode of a redox supercapacitor. As a consequence, the shared electrode acts as a positive electrode or a positive terminal of a hybrid power source. The negative terminal was connected between a lithium metal electrode and another LiPF6-doped PAn electrode. After characterizing and comparing this hybrid power source with a single lithium secondary battery, its discharge performance was superior to that of a single lithium secondary battery when adopting the sheet-type PAn-LiPF6 electrodes and the porous separator as an electrolyte medium. In this case, the hybrid power source was shown to be advantageous in the high pulse mode of discharge. © 2006 Elsevier B.V. All rights reserved.