Polypyrrole free-standing electrodes sense temperature or current during reaction

Journal ar
Polymer International
  • Volumen: 59
  • Número: 3
  • Fecha: 01 marzo 2010
  • Páginas: 337-342
  • ISSN: 09598103 10970126
  • Tipo de fuente: Revista
  • DOI: 10.1002/pi.2750
  • Tipo de documento: Artículo
The electrochemical activity of self-supported thick (70 ¿m) polypyrrole films electrogenerated in a mixed electrolyte of dodecylbenzenesulfonic acid and LiClO4 was studied in aqueous solutions of LiClO4. This material inhibits hydrogen evolution up to cathodic potentials of -3.0 V versus Ag/AgCl. During oxidation or reduction reactions under galvanostatic conditions, the electrical energy consumed for a constant charge is a function of either the working temperature or the flowing current. As a consequence any electrochemical device, moreover artificial muscles, constructed with reactive conducting polymers is expected to work simultaneously as a sensor of the working temperature. © 2010 Society of Chemical Industry.

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