Polypyrrole free‐standing electrodes sense temperature or current during reaction | Zendy

Valero Laura | Zendy; AriasPardilla Joaquin | Zendy; Smit Mascha | Zendy; CauichRodríguez Juan | Zendy; Otero Toribio F | Zendy

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Polypyrrole free‐standing electrodes sense temperature or current during reaction

Author(s) -

Valero Laura,

AriasPardilla Joaquin,

Smit Mascha,

CauichRodríguez Juan,

Otero Toribio F

Publication year - 2010

Publication title -

polymer international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.592

H-Index - 105

eISSN - 1097-0126

pISSN - 0959-8103

DOI - 10.1002/pi.2750

Subject(s) - polypyrrole , electrochemistry , electrolyte , materials science , electrode , aqueous solution , conductive polymer , activation energy , cathodic protection , redox , polymer , chemical engineering , inorganic chemistry , chemistry , composite material , metallurgy , engineering

The electrochemical activity of self‐supported thick (70 µm) polypyrrole films electrogenerated in a mixed electrolyte of dodecylbenzenesulfonic acid and LiClO 4 was studied in aqueous solutions of LiClO 4 . 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. Copyright © 2010 Society of Chemical Industry

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