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

Fuel Cell not working after charging?

I am making an electric fuel-cell car using platinum as an electrode and sodium hydroxide as an electrolyte. I tried both series and parallel connection to charging it, Even after charging 2...

18 November 2020 3,221 9 View

Why it is showing Unrecognized atomic symbol $NBO in output of NBO calculation.?

Hi, I was doing NBO calculation using GEN basis in gaussian. I got an error like Unrecognized atomic symbol $NBO Error termination via Lnk1e in /opt/apps/gaussian/g16/l301.exe I am also attaching...

25 September 2020 3,387 1 View

How the nature of ring electrode of RRDE is known to influence the percentage of peroxide detected during ORR reaction?

Why mostly GC disc and Pt ring RRDE is preferred for the detection of peroxide during ORR reaction? What will be the effect if the other ring electrode is used instead of Pt.

11 September 2020 1,719 2 View

How to calculate Nitric Acid and Copper requirements?

Using the Equation Cu + 4 HNO3 -> Cu(NO3)2 + 2NO2 + 2Water If I want to make 1% solution of copper Nitrate in water - how much copper and how HNO3 (55%) do I require? How much water is...

07 September 2020 3,049 2 View

I need a PEM water Electrolysis cell model, can anyone help me?

I have been trying to model a cycle which one part of it requires a hydrogen production unit. I have tried to model a PEM electrolysis cell in the COMSOL but all of my tries ended up with...

23 August 2020 3,501 4 View

How to obtain the mobility from the EIS data?

Electrochemical impedance spectroscopy

10 August 2020 7,864 2 View

What kind of water treatment solution is reularly used to remove dissolved heavy metals into leachate? any adsorbent in particular?

I d understand the state of the art about dissolved heavy metals into water

28 July 2020 3,322 4 View

What is a cause of such noise while doing a potentiodynamic corrosion testing with CP-Titanium?

Right now I am trying to make corrosion tests with commercially pure titanium. For some reason, there are a lot of noises in the plot. No bubbles form on the surface of the sample. I am pretty...

07 July 2020 4,642 3 View

Can Palladium (Pd) be a good choice as a working electrode for glucose electrochemical sensing?

If the answer to the question is yes, is it any reactions between Glucose solution (electrolyte) and Pd that might happen?

16 June 2020 7,207 1 View

Why does charge decreases after a certain degree of electropolymerization on screen printed electrode??

Hi, Recently, we have witnessed an unusual situation in which electric charge of an ongoing electropolymerization decreases after a certain length of polymerization, thus polymer no longer grows...

16 June 2020 9,863 3 View

Minimum how many parameters i should take into considerations in calculating leachate pollution index?

For calculating the leachate contamination potential, i want to calculate the leachate pollution index. For this minimum how many parameters i need to take into considerations?

09 June 2020 6,873 5 View

Electrochemical testing in highly resistive lubricants using AgCl electrode?

I am trying to do some basic electrochemical corrosion tests (OCP, EIS, LPR) on steel samples in an oil-based lubricant. The resistivity of the oil poses a problem for the measurements of...

03 June 2020 6,306 3 View

How is it possible to get rid of bubbles at the surface of Au working electrode in cyclic voltammetry?

During doing cyclic voltammetry in three electrodes system (reference electrode, contour or auxiliary electrode, and the Au working electrode), tiny bubbles form at the surface of the Au working...

01 June 2020 4,550 17 View

Have you ever experienced problems in dissolving resorufin beta-glucopyranoside?

We want to set up an activity assay for beta-glucocerebrosidase. We are experiencing difficulties in fully dissolving resorufin beta-glucopyranoside. We tried it in acetate buffer, methanol and...

30 May 2020 8,425 0 View

An idea about the range of oxidation potential of alkyl halides (especially iodide) ?

I am actually wondering what is the range of oxidation potential of alkyl halides, especially species bearing an Iodine atom. I didn't find information in my book (organic electrochemistry by Ole...

26 May 2020 1,512 4 View

Is it possible to calculate power density from CV curves of a supercapacitors?

Dear friends. it is well known calculating power density (p) charge/discharge curves using formulae of P=E/td and P= V^2/ESR, and both of the formulae use GCD curves for the calculation. Now is it...

23 May 2020 4,130 3 View

Mixed potential and electrode potential difference?

Hi, I am confused with basics of electrochemistry. Suppose i immersed a metal to an acidic solution and i measure electrode potential, in other words potential differences between metal and...

18 May 2020 9,464 3 View

How to calculate specific capacity in C/g from a CV curve?

I am newbie to battery materials. As I understand, specific capacity of a battery-type material can be expressed in term of C/g or mAh/g and can be calculated from the cyclic voltammetry (CV) or...

07 May 2020 4,987 6 View

How to choose the best smooth algorithm for your data in Origin?

I have several curves of applied potential versus electric current with hundreds of points in each of them. I am trying to analyze their first and second derivatives, but they are too noisy to...

28 April 2020 6,203 2 View

In electrochemistry (voltammetry, CV), can I use 2 identical electrodes for both WE and CE?

Hello everyone. In a three-electrode system for cyclic voltammetry, can I use two identical electrodes as working and counter (i.e. both Au and have the same surface area)? What will happen if I...

24 April 2020 7,696 20 View

Which book is best for electrochemistry?

To understand the electrochemical phenomenon undergoing at any interface, which book I should follow?

21 April 2020 3,158 21 View

Is the positioning of the reference electrode also important when measuring potential?

Hi. I learned the position of reference electrode is important as it is related to solution resistance and it should be as close to the working electrode as possible to reduce this...

09 April 2020 2,667 25 View

How to avoid pH changes in synthetic electrochemistry?

I've been trying to get a desulfurization reaction to work electrochemically but after leaving the reaction overnight I am getting large pH changes from pH 7 to pH 13/14 and my substrate is very...

01 April 2020 2,509 2 View

What kinetic equation is more suitable for modeling enzyme electrochemistry: Nernst or Butler -Volmer?

I would like to hear your opinion regarding what kinetic expression you preferred to use when modeling the electrochemical response of enzymes and bacteria. The Nernst equation of the...

30 March 2020 7,038 5 View

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