Effect of the temperature on the conductivity and capacitance of poly(aniline) film electrodes

G. Inzelt; G. Láng; V. Kertész; J. Bácskai

doi:10.1016/0013-4686(93)80145-P

Effect of the temperature on the conductivity and capacitance of poly(aniline) film electrodes

G. Inzelt, G. Láng, V. Kertész, J. Bácskai

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

The temperature and potential dependences of the behaviour of poly(aniline) modified electrodes were studied by impedance spectroscopy. It was rendered probable that the ohmic resistance which can be determined by impedance measurements is in connection with ionic conductivity and practically no information of the electronic conductivity of the polymer can be obtained. No temperature dependence of the low-frequency limiting capacitance was found. The high-frequency capacitance which can be assigned to double-layer at the polymer/electrolyte interface depends strongly on temperature. Both capacitances show cpe behaviour.

Original language	English
Pages (from-to)	2503-2510
Number of pages	8
Journal	Electrochimica Acta
Volume	38
Issue number	17
DOIs	https://doi.org/10.1016/0013-4686(93)80145-P
State	Published - Dec 1993
Externally published	Yes

Funding

Acknowledgement-Financial support by the National Research Fund (OTKA-2110, OTKA-F4190) is gratefully acknowledged.

Funders	Funder number
Fonds National de la Recherche Luxembourg	OTKA-2110, OTKA-F4190

Keywords

capacitive effect
cpe behaviour.
electrochemical impedance spectroscopy
poly(aniline)
polymer film resistance
temperature dependence

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10.1016/0013-4686(93)80145-P

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abstract = "The temperature and potential dependences of the behaviour of poly(aniline) modified electrodes were studied by impedance spectroscopy. It was rendered probable that the ohmic resistance which can be determined by impedance measurements is in connection with ionic conductivity and practically no information of the electronic conductivity of the polymer can be obtained. No temperature dependence of the low-frequency limiting capacitance was found. The high-frequency capacitance which can be assigned to double-layer at the polymer/electrolyte interface depends strongly on temperature. Both capacitances show cpe behaviour.",

keywords = "capacitive effect, cpe behaviour., electrochemical impedance spectroscopy, poly(aniline), polymer film resistance, temperature dependence",

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T1 - Effect of the temperature on the conductivity and capacitance of poly(aniline) film electrodes

AU - Inzelt, G.

AU - Láng, G.

AU - Kertész, V.

AU - Bácskai, J.

PY - 1993/12

Y1 - 1993/12

N2 - The temperature and potential dependences of the behaviour of poly(aniline) modified electrodes were studied by impedance spectroscopy. It was rendered probable that the ohmic resistance which can be determined by impedance measurements is in connection with ionic conductivity and practically no information of the electronic conductivity of the polymer can be obtained. No temperature dependence of the low-frequency limiting capacitance was found. The high-frequency capacitance which can be assigned to double-layer at the polymer/electrolyte interface depends strongly on temperature. Both capacitances show cpe behaviour.

AB - The temperature and potential dependences of the behaviour of poly(aniline) modified electrodes were studied by impedance spectroscopy. It was rendered probable that the ohmic resistance which can be determined by impedance measurements is in connection with ionic conductivity and practically no information of the electronic conductivity of the polymer can be obtained. No temperature dependence of the low-frequency limiting capacitance was found. The high-frequency capacitance which can be assigned to double-layer at the polymer/electrolyte interface depends strongly on temperature. Both capacitances show cpe behaviour.

KW - capacitive effect

KW - cpe behaviour.

KW - electrochemical impedance spectroscopy

KW - poly(aniline)

KW - polymer film resistance

KW - temperature dependence

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JO - Electrochimica Acta

JF - Electrochimica Acta

IS - 17

ER -

Effect of the temperature on the conductivity and capacitance of poly(aniline) film electrodes

Abstract

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Keywords

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