Electrochemistry

Electrochemistry is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor... | Contact experts in Electrochemistry to get answers

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Questions related to Electrochemistry

No X and Y- axis values in CH electrochemical Workstation graphs ?

Hi, Am using Electrochemical workstation 660E, Am not able to get X and Y axis values, have tried from rebooting the system to deleting the regedit includes deleting old data. if someone faced...

15 June 2018 7,289 4 View

Unexpected peaks in cyclic voltammagram after long conditioning?

Hi there, I'm running consecutive cyclic voltammetry measurements on Pt and Au electrodes, starting with a 'fast' scan (1 mV/s), followed by a long conditioning scan (20h), followed by 2nd...

14 June 2018 6,215 3 View

How to calculate lack of electrons in anode based on electrolyser cell potential?

Hello, this might be quite basic electrochemistry but maybe the more experienced could help me save some time and set things straight. So, I'm studying an electrolysis cell where an aquatic...

07 June 2018 5,116 16 View

How to reduce self-discharge of supercapacitor? Is there any difference on self-discharge due to electrolyte used?

We are having some issues with self-discharge of supercapacitors. Is that normal, aqueous based device discharge in few hours? Is there any trick to solve that? Is electrolyte dependent the...

06 June 2018 7,368 0 View

Is sulfuric acid dissociation in water symmetric?

The dissociation of sulfuric acid in water has two steps. First, it loses one hydrogen, and second, it loses the last hydrogen. These two dissociations depend on the concentration of the mixture...

06 June 2018 1,287 5 View

Does anyone work with Diniobium Carbide (Nb2C)?

I would like to know if material is electrical conductive on nanosize domains. How different it is from NbC is Nb2C? Any literature?

06 June 2018 6,460 3 View

Why to rest battery for some hours before performing Electrochemical Impedance Spectroscpy ?

I am performing EIS (BRS Messtechnik, galvanostatic) on cyclindrical A123 26650 LFP full cell. After setting SOC it is required to wait for some hours before carrying out EIS. I know it is to...

06 June 2018 9,139 0 View

Unexpected peaks in cyclic voltammagram after long conditioning?

Hi there, I'm running consecutive cyclic voltammetry measurements on Pt and Au electrodes, starting with a 'fast' scan (1 mV/s), followed by a long conditioning scan (20h), followed by 2nd...

06 June 2018 4,313 4 View

Electrochemical active surface area (EASA) measurement?

Hello, I am going to measure the electrochemical active surface area by doing cyclic voltammetry at different scan rate. It needs to scan CV at only double layer capacitance potential region....

06 June 2018 9,898 0 View

How to calculate lack of electrons in anode based on electrolyser cell potential?

Hello, this might be quite basic electrochemistry but maybe the more experienced could help me save some time and set things straight. So, I'm studying an electrolysis cell where an aquatic...

06 June 2018 3,545 17 View

How we can calculate turn over frequency for oxygen evolution reaction?

Oxygen evolution reaction, electrochemistry

06 June 2018 7,644 3 View

Does anybody works on EIS measurement in glucose or starch solution pH 5.2 on steel? what is the reason of "not balanced OCP "in these solutions?

Electrochemistry impedance spectroscopy

31 May 2018 4,787 3 View

How can I fit the "Inductor" in electrochemical impedance spectroscopy?

Hi every body, I added an inhibitor to the 1 M HCl solution and assessed the corrosion behavior of mild steel by electrochemical impedance spectroscopy. Would you please tell me which EIS...

31 May 2018 8,710 4 View

Temperature dependency of half-cell (aka reference electrode) potential ?

Dear all, when performing measurements of soil or structure potential aimed at assessment of corrosion conditions, e.g. in presence of stray current phenomena, potential is measured by electrodes...

27 May 2018 8,886 2 View

What are the next challenges in corrosion research field?

A lot of works have been done on different corrosion research fields. The question that arises is: what is the next challenges in this field. I very much welcome the answers from electrochemists...

05 May 2018 8,779 0 View

How to select potential for Electrochemical Impedance???

Dear All, I want to calculate the electrochemical impedance of electrolyte-electrocatalyst interphase using Autolab. I am confused how to select the overpotential or potential vs Ag/AgCl. In a...

05 May 2018 1,073 10 View

Is it possible to manufacture a micro gears using Electrochemical spark micromachining process (ECSM) ?

Are these machines available commercially or still in the development stage under R&D?

05 May 2018 601 0 View

Is it possible to have more open circuit potential than theoretical calculated open circuit potential?

The graphite reduction potential is around 0.2 vs Li/Li+. But after making half cell, I checked the open circuit potential with multi-meter and it shows me approx. 3.15 multiple time. In this...

05 May 2018 3,039 1 View

Does anybody works on EIS measurement in glucose or starch solution pH 5.2 on steel? what is the reason of "not balanced OCP "in these solutions?

Electrochemistry impedance spectroscopy

05 May 2018 9,626 3 View

Temperature dependency of half-cell (aka reference electrode) potential ?

Dear all, when performing measurements of soil or structure potential aimed at assessment of corrosion conditions, e.g. in presence of stray current phenomena, potential is measured by electrodes...

05 May 2018 6,751 3 View

How to select potential for Electrochemical Impedance???

Dear All, I want to calculate the electrochemical impedance of electrolyte-electrocatalyst interphase using Autolab. I am confused how to select the overpotential or potential vs Ag/AgCl. In a...

05 May 2018 4,154 9 View

How to determine the permissible step load change on a battery?

I would like to determine (through measurements and/or digital simulation) the permissible step (or sudden) load change on a battery. The main target is to satisfy the safe limits such as...

22 April 2018 3,056 1 View

What are the advantages of using Quasi Reference Counter Electrode (QRCE)?

Why do people use QCREs instead of normal reference and counter electrodes for nano electrochemical systems?

19 April 2018 4,218 5 View

What is the best practice to deal with a polluted ground water from leachate?

An open landfill that does not have a leachate collection system caused the pollution (heavy metals and organic compounds) of the ground water in its vicinity. What is the best practice to deal...

11 April 2018 7,003 4 View

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