What phenomena can lead to a sinusoidal I~V curve in 2 electrode electrochemical(cyclic voltammetry) measurement?

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What is vacuum reduction?

For the synthesis of oxide nanoceramics, to reduce the powder from its higher oxidation state, it is required to be undergone vacuum reduction. What is the mechanism and how to carry out the process?

04 May 2018 4,086 4 View

What is the change in chemical structure during preparation of graphene from reduced graphene oxide, exfoliated graphene oxide and graphene oxide?

During synthesis of graphene, how the structural change happens? What exactly the mechanism that is followed here?

05 June 2017 2,774 3 View

Is there any material which can absorb the heat energy from the hot surrounging of an industry and recover the energy when required?

The material composition for this purpose.

04 May 2016 9,693 2 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

How to determine the charge passing during a cyclic voltammetry?

Dear All, here is my question: if I have a 15-scans cyclic voltammetry performed with PalmSens, how can I obtain the charge passed during the process? Hopefully avoiding integrations,...

29 July 2024 3,733 5 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 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

Why do these abnormal charge/discharge curves of coin cell batteries appear?

As shown in the figures, there are several abnormal charge/discharge curves.Each of them may have different problems. I am curious why these situations appeared differently?There are a lot of...

24 July 2024 6,930 1 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

I obtain two plateu instead of one in LFP cathode assembled with graphite anode in 1M LiTFSI in DOL/DME, what does this mean?

I have attached the charging curve from the battery tester for review. I need help on what is happening

21 July 2024 6,898 2 View