Theoretical Analysis for Obtaining Physical Properties of Composite Electrodes | Zendy

Parthasarathy Gomadam | Zendy; John W. Weidner | Zendy; Thomas A. Zawodzinski | Zendy; Andrew P. Saab | Zendy

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Theoretical Analysis for Obtaining Physical Properties of Composite Electrodes

Author(s) -

Parthasarathy Gomadam,

John W. Weidner,

Thomas A. Zawodzinski,

Andrew P. Saab

Publication year - 2003

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1.1586301

Subject(s) - composite number , electrode , capacitance , conductivity , materials science , electrochemistry , ionic bonding , exchange current density , current density , ionic conductivity , current (fluid) , analytical chemistry (journal) , chemistry , composite material , ion , thermodynamics , physics , electrolyte , organic chemistry , quantum mechanics , chromatography , tafel equation

A theoretical analysis is presented that allows in situ measurements of the physical properties of a composite electrode, namely, the electronic conductivity, the ionic conductivity, the exchange-current density, and the double-layer capacitance. Use is made of the current-voltage responses of the composite electrode to dc and ac polarizations under three different experimental configurations. This analysis allows the physical properties to be obtained even when the various resistances in the composite (e.g., ionic, electronic, and charge-transfer) are of comparable values.

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