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Optimization of Conducting Polymer Synthesis for Battery Applications

Published online by Cambridge University Press:  16 February 2011

T. F. Otero ,
C. Santamaria  and
J. Rodriguez
T. F. Otero
Affiliation:
Laboratory of Electrochemistry, Faculty of Chemistry, University of the Basque Country, P.O. Box 1072, 20080 San Sebastián, Spain
C. Santamaria
Affiliation:
Laboratory of Electrochemistry, Faculty of Chemistry, University of the Basque Country, P.O. Box 1072, 20080 San Sebastián, Spain
J. Rodriguez
Affiliation:
Laboratory of Electrochemistry, Faculty of Chemistry, University of the Basque Country, P.O. Box 1072, 20080 San Sebastián, Spain
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Abstract

The evolution of the capacity to store electrical charges of electrogenerated polypyrrole and polythiophene films, as a function of the parameters of synthesis (electrical potential, solvent, Monomer concentration and temperature) was analyzed. The polymer production was followed by “ex situ” ultramicrogravimetry. The stored charge in each film was controlled by voltammetry and chronoamperometry, in the background electrolyte (in absence of Monomer). The charge storage ability was calculated from the ratio between stored charge and polymer mass adhered to the electrode. The charge storage ability of an electrogenerated film decreases several times when one of the parameters of synthesis: potential of polymerization, temperature, concentration of monomer or donor number of the solvent, increase. The change on the polymer property when the conditions of synthesis shift, points to a mixed polymerization-degradation process during polymer growth. The knowledge of those variations allows to optimize the conditions of synthesis to generate conducting polymers for specific batteries applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 328: Symposium Q – Electrical, Optical, and Magnetic Properties of Organic Solid State Materials , 1993 , 805
Copyright
Copyright © Materials Research Society 1994

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References

REFERENCES

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