Yasun Kannangara

13 Questions 27 Answers 0 Followers

Questions related from Yasun Kannangara

Nquist plot strange shape ?

Shape is strange and I may not able to explain this with an equivalent circuit. So, please some one can help me to explain with proper electrochemistry? This results came for Supercapacitor...

28 March 2023 6,376 10 View

What are the interactions could happens in-between polyaniline and methacrylate groups ?

Most of research studies made a composite of methacrylate and polyaniline, but most of them just describes interaction is physical adhesion. But when examine the number of papers there and many...

10 January 2018 2,094 2 View

How to prove the in hybrid nano-composite whether individual agents attached chemically by using XPS?

I have made a nanocomposite, by adding two chemical compounds and I want to check there are some chemical bonded internally or not..so which area I should concern more?

18 April 2017 608 2 View

Is there any possibilities to overlap XPS peaks in nanocomposite?

Normally I have nanocomposite which rich with sulphide and Thiocyanate groups, Its shown S 2P 3/2 and S 2P 1/2 but the middle of that there is the strange peak. I am thinking S of Sulphides- S 2P...

13 April 2017 5,328 7 View

Do we need to submit raw excel file data of CV and GCD when we going to submit our manuscript( based on supercapacitor) to Journal?

The CV and GCD graphs are based on raw excel datasheets and do we need to submit those with the mass of active materials?

01 February 2017 1,510 2 View

How can I find the equivalent circuit of EIS spectra?

How can I find the equivalent circuit of EIS spectra? I have run some Nyquist plots but I could not find the equivalent circuit or any given procedure for find out this circuit...so How we should...

19 December 2016 6,017 5 View

How to find the standard electrochemical oxidation and reduction potential and how its related to peak current positions in CV curves?

I need to find out the oxidation and reduction potential of Copper. Oxidation of Cu(0) into Cu(+1) and Cu(+2) and reduction of Cu(+2) into Cu(0) and Cu(+1) are the details that I want to find out,...

30 November 2016 5,358 5 View

For Supercapacitor applications Nickel foams as current collector in electrode. Can any one tell me about the cleaning process of these Nickel foams?

Some publications used 1 M HCl in 10 min. washing. some are saying just ethanol and acetone can only be used for the cleaning and They comment HCl will oxidise the Nickel and our CV graphs will...

19 October 2016 6,370 3 View

How to get the correct square shape in cyclic voltagram when measuring the supercapacitor electrode?

I have prepared supercapacitor electrode. Its is Graphene Oxide coated on Ni foam. I measured it within three electrode system. Pt electrode as counter electrode and Ag/AgCl electrode as reference...

12 October 2016 3,626 15 View

How to measure the current density ?

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12 August 2016 7,546 8 View

Do we able to get same data from Impedence analyser that gave from Electrochemical impedence Spectroscopy for characterize supercapacitor?

I want to characterize Supercapacitor. So do we able to use Impedence analyser insted of Electrochemical Impedence spectroscopy?

03 August 2016 2,808 6 View

How can I measure electrochemical characteristics of supercapasitor using Electrochemical Impedence Spectroscopy (EIS)?

I am going to characterize my supercapasitor and I want to know what are the methods and how do we measure the EIS? Do we need to make external cell when we measure the super-capacitor? Any other...

28 June 2016 259 4 View

What is the structure of alkyd resin? And how is the fatty acid attached to the alkyd resin?

I want to know the chemical structure of Alkyd resin and how the fatty acid is attached with the alkyd resin. Is it cross linking?

12 January 2015 2,230 5 View