Intrinsically conductive polymer binders for electrochemical capacitor application
- Authors
- Kang, Minjeong; Lee, J.E.; Shim, Hyeon Woo; Jeong, Min-Seong; Im, Won Bin; Yoon, Hyeonseok
- Issue Date
- Jun-2014
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- RSC ADVANCES, v.4, no.53, pp.27939 - 27945
- Indexed
- SCIE
SCOPUS
- Journal Title
- RSC ADVANCES
- Volume
- 4
- Number
- 53
- Start Page
- 27939
- End Page
- 27945
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159710
- DOI
- 10.1039/c4ra03261f
- Abstract
- Little attention has been devoted so far to the development of new binders for electrode materials. In this work, an intrinsically conductive solution-processable polymer adhesive was prepared through the combination of polyaniline (PANI) with three organic additives as a ternary dopant for both conducting and gluing properties. With an optimized composition and no heat treatment process or conductive fillers, the conductive adhesive (Q-PANI) had a conductivity of 1.1 S cm(-1) and 20-25% better adhesive ability than polyvinylidene fluoride insulating binder. Q-PANI showed good redox properties in an acidic electrolyte. Importantly, Q-PANI itself had a high specific capacitance of 108.7 F g(-1). As a result, Q-PANI as a binder was found to significantly enhance the electrode performance of pseudocapacitive nanomaterials (polypyrrole nanospheres and PANI nanofibrils) and electric double-layer capacitive nanomaterials (carbon black). Thus, it is further expected that the combination of conductive and adhesive characteristics will make Q-PANI a very promising conductive paste and coating agent for various applications other than as an electrode binder.
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