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

Should the RDE scan of electrochemical Oxygen Reduction Reaction be positive-going RDE scan or a negative-going RDE scan?

Hi, When we perform an electrochemical oxygen reduction reaction, should it be a positive-going RDE scan or a negative-going RDE scan? Thanks, Saurav

11 November 2019 4,801 8 View

What is the electrode, current collector and separator on a CT photo of a 18650 Li-ion cell?

Hello, I'm wondering whether the electrodes, current collectors and separators could be on the CT photo I have attached. Could you help me to identify the given layers...

11 November 2019 1,133 13 View

Does the high-frequency resistance in EIS account for the electrolyte solution only?

Hello everybody. I am handling some data obtained with impedance measurements (EIS), and I was wondering which contributions does the high-frequency resistance (HFR) comprise. In...

11 November 2019 5,695 4 View

Can water be saturated in oxygen with air for electrochemistry (cyclic voltammetry)?

Hello I need to perform an electrochemistry reaction with oxygen present in the medium. At this time, I do not have pure oxygen at my lab, so my question is, can water be saturated in oxygen with...

11 November 2019 8,689 3 View

How is Electrochemical workstation CHI is used in water splitting research ??

my doubt is what is the use of Electrochemical workstation CHI in photocatalytic water splitting. how is it helpful in my research? what are other electrodes (reference etc) ? what are there...

11 November 2019 1,038 1 View

How to derive the expression of current density in electrolyte of the lithium-ion battery?

Hi everyone I am learning the modeling of lithium-ion battery, and I found the expression of current density of electrolyte in Eq. (A-2) of ref[1] as the picture attached below. It said this...

11 November 2019 9,838 4 View

Cyclic Voltammetry: Small peaks near 0V in electrolyte solution without analyte?

CV setup is glassy carbon WE, Pt wire CE, and Ag/AgNO3 RE (no salt bridge). My solvent is DMSO with tetraethylammonium tetrafluoroborate (TEAFB) as the electrolyte. The reference electrode...

10 October 2019 6,610 5 View

How to obtain oxygen-saturated 0.5M H2SO4 solution?

I want to make O2- saturated 0.5M H2SO4 at 50C for the potentiodynamic polarisation study of Titanium metal. What is the optimum purging rate and time to obtained saturation?

10 October 2019 605 3 View

Is there any electrically conductive non-aqueous solution?

For electrochemistry experiments, the voltage of about 10V dc causes the water electrolysis.. Is there any electrically conductive non-aqueous solution where more than 10V dc can be used?

10 October 2019 2,057 4 View

How far can you push ITO electrodes?

Hi all I want to do electrophoresis in DPBS buffer in a cell made of ITO coated glass, thickness on the order of microns. Electric field screening will definitely be a challenge, so I need to...

10 October 2019 2,447 0 View

Cyclic Voltammetry: Small peaks near 0V in electrolyte solution without analyte?

CV setup is glassy carbon WE, Pt wire CE, and Ag/AgNO3 RE (no salt bridge). My solvent is DMSO with tetraethylammonium tetrafluoroborate (TEAFB) as the electrolyte. The reference electrode...

10 October 2019 421 4 View

How to obtain oxygen-saturated 0.5M H2SO4 solution?

I want to make O2- saturated 0.5M H2SO4 at 50C for the potentiodynamic polarisation study of Titanium metal. What is the optimum purging rate and time to obtained saturation?

01 October 2019 5,011 2 View

How to work with tetra-n-butylammonium perchlorate?

Hi, collegs! Tell me please how should I work with tetra-n-butylammonium perchlorate? How should I dispose of it? In my case Bu4NClO4 is electrolyte for electrochemistry.

30 September 2019 3,832 4 View

How to work with tetra-n-butylammonium perchlorate?

Hi, collegs! Tell me please how should I work with tetra-n-butylammonium perchlorate? How should I dispose of it? In my case Bu4NClO4 is electrolyte for electrochemistry.

09 September 2019 4,385 4 View

How do I select the right potential window for any electrochemical system i.e CV and Chronoamperometry?

Dear distinguished members, Please, I am new in the electrochemistry research. I want to know the procedure of selecting the potential range to run Cyclic Voltammetry and the potential for the...

09 September 2019 5,642 9 View

Film for Electrochemical study??

I wish to perform electrochemical study for a TMDC but I am unable to get a fine film for it. Please suggest binders or any other possible methods for it. Thanks

07 July 2019 7,041 7 View

How to test Li symmetric cell?

I am new to this theme. I will test the the Li

06 June 2019 10,005 1 View

What's the decreasing line in the EIS(electrochemical impedance spectrum) at high frequency region?

I'm trying to analyze my EIS data about Li-ion battery. But I noticed there is a strange data in high frequency region(~100k - 10k) that the Z(im) decreases as measurement frequency decreases. It...

06 June 2019 5,605 9 View

Electrochemical tests in serum vs plasma?

Our biosensor works acceptably when using serum. However we are reading currents even higher than baseline (DPV in feCN6) when we have switched to plasma. The DPV reading is the same when plasma...

06 June 2019 9,692 8 View

Is it possible to find the heat capacity for La1−xSrxMnO3?

Hello, I am trying to find a table of Cp at 298 K for La(1−x)Sr(x)MnO3, this material is used to manufacture cathodes for SOFCs, and I was wondering if there was a table or book that contains...

06 June 2019 1,612 2 View

Do we have to stir the solution between each scan in the scan rate study in cyclic voltammetry?

question in electrochemistry

05 May 2019 2,054 3 View

Highest capacitance values for supercapacitors?

Hello, I am researching electrochemistry and supercapacitors seem very interesting to me, but poorly I don’t find very much research on really high-capacitance metal-oxide free ones. So I wanted...

05 May 2019 7,407 2 View

What are the 3 basic conditions for impedance measurements that it must satisfy?

Hi All, Reviewer has asked to demonstrate that EIS data conforms the three basic conditions for impedance measurements. Can anyone please clarify what are these 3 conditions? Thanks, Saurav

05 May 2019 8,901 3 View

How the potential window of aqueous electrolytes can be extended beyond 1.23V in asymmetric supercapacitor cells without electrolysis of electrolyte?

Potential window offered by aqueous electrolytes is 1.23 V, which is due to the fact that beyond 1.23 V the aqueous electrolytes will undergo electrolysis (common in symmetric supercapacitors)....

27 April 2019 6,653 14 View

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