Stable deep doping of vapor-phase polymerized poly(3,4-ethylenedioxythiophene)/ionic liquid supercapacitors

Christoffer Karlsson, James Nicholas, Drew Evans, Maria Forsyth, Maria Strømme, Martin Sjödin, Patrick C. Howlett, Cristina Pozo-Gonzalo

研究成果: Article

18 引用 (Scopus)

抄録

Liquid-solution polymerization and vapor-phase polymerization (VPP) have been used to manufacture a series of chloride- and tosylate-doped poly(3,4-ethylenedioxythiophen(PEDOT) carbon paper electrodes. The electrochemistry, specific capacitance, and specific charge were determined for single electrodes in 1-ethyl-3-methylimidazolium dicyanamide (emim dcionic liquid electrolyte. VPP-PEDOT exhibits outstanding properties with a specific capacitance higher than 300 Fg-1, the highest value reported for a PEDOT-based conducting polymer, and doping levels as high as 0.7 charges per monomer were achieved. Furthermore, symmetric PEDOT supercapacitor cells with the emim dca electrolyte exhibited a high specific capacitance (76.4 Fg-1) and high specific energy (19.8 Whkg-1). A Ragone plot shows that the VPP-PEDOTcells combine the high specific power of conventional (“pure”) capacitors with the high specific energy of batteries, a highly sought-after target for energy storage.

元の言語English
ページ(範囲)2112-2121
ページ数10
ジャーナルChemSusChem
9
発行部数16
DOI
出版物ステータスPublished - 2016
外部発表Yes

Fingerprint

Ionic Liquids
Ionic liquids
polymerization
Vapors
Polymerization
Doping (additives)
Capacitance
electrolyte
Electrolytes
electrode
electrochemistry
Electrodes
liquid
Conducting polymers
Liquids
Electrochemistry
Energy storage
energy
Chlorides
Capacitors

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

これを引用

Karlsson, C., Nicholas, J., Evans, D., Forsyth, M., Strømme, M., Sjödin, M., ... Pozo-Gonzalo, C. (2016). Stable deep doping of vapor-phase polymerized poly(3,4-ethylenedioxythiophene)/ionic liquid supercapacitors. ChemSusChem, 9(16), 2112-2121. https://doi.org/10.1002/cssc.201600333

Stable deep doping of vapor-phase polymerized poly(3,4-ethylenedioxythiophene)/ionic liquid supercapacitors. / Karlsson, Christoffer; Nicholas, James; Evans, Drew; Forsyth, Maria; Strømme, Maria; Sjödin, Martin; Howlett, Patrick C.; Pozo-Gonzalo, Cristina.

:: ChemSusChem, 巻 9, 番号 16, 2016, p. 2112-2121.

研究成果: Article

Karlsson, C, Nicholas, J, Evans, D, Forsyth, M, Strømme, M, Sjödin, M, Howlett, PC & Pozo-Gonzalo, C 2016, 'Stable deep doping of vapor-phase polymerized poly(3,4-ethylenedioxythiophene)/ionic liquid supercapacitors', ChemSusChem, 巻. 9, 番号 16, pp. 2112-2121. https://doi.org/10.1002/cssc.201600333
Karlsson, Christoffer ; Nicholas, James ; Evans, Drew ; Forsyth, Maria ; Strømme, Maria ; Sjödin, Martin ; Howlett, Patrick C. ; Pozo-Gonzalo, Cristina. / Stable deep doping of vapor-phase polymerized poly(3,4-ethylenedioxythiophene)/ionic liquid supercapacitors. :: ChemSusChem. 2016 ; 巻 9, 番号 16. pp. 2112-2121.
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