Results 21 to 30 of about 5,216 (135)

Impedance model for a high-temperature ceramic humidity sensor [PDF]

Journal of Sensors and Sensor Systems, 2019
We present an equivalent circuit model for a titanium dioxide-based humidity sensor which enables discrimination of three separate contributions to the sensor impedance.
H. Lensch, M. Bastuck, T. Baur, A. Schütze, T. Sauerwald   +4 more
doaj   +1 more source

Inhibitive Effect of Cefuroxime on the Corrosion of Mild Steel in Hydrochloric Acid Solution

International Journal of Electrochemical Science, 2011
The corrosion inhibition properties of cefuroxime (CFM) for mild steel corrosion in HCl solution was investigated using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and gravimetric methods.
Ashish K. Singh, M.A. Quraishi, Eno E. Ebenso   +2 more
doaj   +1 more source

Corrosion Behaviour of Mild Steel in Sulphuric Acid Solution in Presence of Ceftazidime

International Journal of Electrochemical Science, 2011
The corrosion inhibition properties of ceftadizime (CZD) for mild steel corrosion .in H2SO4 solution were analysed by electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and gravimetric methods.
Ashish Kumar Singh, Sudhish Kumar Shukla, M.A. Quraishi   +2 more
doaj   +1 more source

Extending Randles’s Battery Model to Predict Impedance, Charge–Voltage, and Runtime Characteristics

IEEE Access, 2020
The impedance of a battery can be modelled with an elegant fractional-capacitor or “constant phase element” (CPE) equivalent circuit and a series resistor.
Rahat Hasan, Jonathan Scott
doaj   +1 more source

Electrochemical and Theoretical Studies of Adsorption of Some Indole Derivates at C38 Steel/Sulfuric Acid Interface as Corrosion Inhibitors

International Journal of Electrochemical Science, 2011
The inhibitive action of 9H-pyrido[3,4-b]indole (norharmane) and 1-Methyl-9H-pyrido[3,4-b]indole (harmane) on corrosion of C38 steel in 0.5 M H2SO4 solution was investigated through electrochemical techniques.
M. Lebrini, C. Roos, H. Vezin, F. Robert
doaj   +1 more source

State-of-Charge-Dependent Impedance Modeling of a Commercial LiFePO₄ Cell: EIS Measurements and Parameter Identification

Energies
This study presents the results of electrochemical impedance spectroscopy (EIS) conducted on a commercial 38120S cylindrical LiFePO4 cell with a nominal capacity of 10 Ah.
Piotr Ostrogórski
doaj   +1 more source

Equivalent circuit for assessing pore size distribution in porous electrodes by EIS

Electrochemistry Communications
The size, geometry and arrangement of pores can significantly affect both the activity of electrocatalysts and the performance of supercapacitors. Electrochemical impedance spectroscopy (EIS) is a powerful, non-invasive diagnostic tool for characterizing
Anna Plis, Piotr Połczyński, Rafał Jurczakowski   +2 more
doaj   +1 more source

Investigation of the Inhibitive Effect of 2-(Ethylthio)-1,4,5-Triphenyl-1H-Imidazole on Corrosion of Steel in 1 M HCl

International Journal of Electrochemical Science, 2013
The influence of 2-(ethyllthio)-1,4,5-triphenyl-1H-imidazole(DNSO) on the corrosion of mild steel in 1M HCl solution has been studied by weight loss measurements, potentiodynamic polarizations and electrochemical impedance spectroscopy (EIS).
L. Afia, N. Rezki, M.R. Aouad, A. Zarrouk, H. Zarrok, R. Salghi, B. Hammouti, M. Messali, S.S. Al-Deyab   +8 more
doaj   +1 more source

Evaluation of Cavitation Erosion-Corrosion Process of Q235 and ZG06Cr13Ni4Mo With Various Applied Potentials

International Journal of Electrochemical Science, 2015
The effect of applied protection potentials on cavitation erosion-corrosion process of Q235 and ZG06Cr13Ni4Mo was studied by means of mass loss, EIS and SEM, parameter changes were revealed for both materials when exposed to cavitation, which provided an
Zhiming GAO, Changye WANG, Yangyang LIU
doaj   +1 more source

Structures, dielectric properties and AC impedance characteristics of BiFeO3–BaTiO3 high-temperature lead-free piezoceramics synthesized by the hydrothermal method

Journal of Advanced Dielectrics, 2023
Among the lead-free piezoceramics, ([Formula: see text])BiFeO[Formula: see text]BaTiO3 (BF-BT) is considered a promising candidate for high-temperature piezoelectric materials owing to its high Curie temperature ([Formula: see text]C) and good ...
Shuangchi Li, Fang Wang, Lanxin Tang, Daniel Q. Tan, Yu Chen   +4 more
doaj   +1 more source