期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 16, 页码 7825-7830出版社
AMER CHEMICAL SOC
DOI: 10.1021/am401590q
关键词
polymer batteries; conducting polymers; viologens; redox-active dopant
资金
- National Science Foundation [HRD-0548311, CBET-1159255, CHE-1240020]
- Electrochemical Society
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1240020] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1159255] Funding Source: National Science Foundation
Viologens, either as anions in solution or as pendant substituents to pyrrole, were incorporated as dopants to electrodeposited films of polypyrrole. The resulting polymer films exhibited redox activity at -0.5 V vs Ag/AgCl. The film consisting of polypyrrole with pendant viologens exhibited the best charge-discharge behavior with a maximum capacity of 55 mAh/g at a discharge current of 0.25 mA/cm(2). An anode consisting of polypyrrole (pPy) doped with viologen (V) was coupled to a cathode consisting of pPy doped with 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) to yield a polymer-based battery with a cell electromotive force (emf) of 1.0 V, maximum capacity of 16 mAh/g, and energy density of 15 Wh/kg.
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