Can any body suggest an easy way to draw a tafel plot in an ORR graph?

More P. Anandha Ganesh's questions See All

What kind of information can one get from Grazing incidence X-ray diffraction (GIXRD)?

Can I get information like particle size, pore size or surface atomic details from GIXRD?

09 October 2014 394 7 View

How to select a collaborator and what would be the procedure for doing characterisation after booking at RRCAT beam line?

I am in need to select a collaborator at RRCAT during Indus beam line

09 October 2014 7,680 0 View

Can anybody suggest a place where I can get access to a SAXS and XANES facility in India?

SAXS and XANES facility in India

08 September 2014 5,746 6 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Why is EIS important even if the cell is only run under DC conditions?

If impedance is an AC phenomenon, or if AC causes certain cell phenomena to become prominent at certain frequencies, why do we care about them? Under working conditions the cell will be...

14 July 2024 6,321 1 View

How to find Cdl and Cs value from EIS data?

I want to determine ECSA using Cdl/Cs formula, Can CDL be determined from the fitting results or must it be calculated first using this formula? And how to determine the Cs value from EIS data?

12 July 2024 7,495 0 View

EIS spectra analysis software?

Dear all, I'm currently working with CHI potentiostat and performing Impedance. However, for the circuit fitting the instrument must be connected to the computer. Since I prefer to analyse the...

10 July 2024 8,880 4 View

How to avoid background signal in screen printed electrode?

Hi, I am doing aptamer based electrochemical biosensor. First, I cleaned screen printed gold electrode using 0.5M H2SO4. Then, immobilized aptamer followed by blocking using 2mM MCH. I use...

06 July 2024 9,852 1 View

Veronica Celorrio

a tafel plot for ORR is plotted log ik (kinetic current) versus overpotential

P. Anandha Ganesh

Is there any step by step procedure to draw a Tafel Plot from ORR graph

Muralidhar G. Chourashiya

http://www.doitpoms.ac.uk/tlplib/aqueous_corrosion/tafel_plot.php

Thanks for this useful link on Tafel plot