Why there is a straight line in my CV curve?

I am scanning CV curves using 3M Na2SO4 electrolyte in Ag/AgCl, Pt mesh and Phos-COF as my positive electrodes, respectively. Every time it gives me straight line at 0. Why this happens?

31 December 2019 3,700 0 View

For supercaps electrode, if my active material mass is 3 mg ans area of my sample is 2*3 cm-2. what will be my current density to apply?

How we can determine the proper value of current density that i should apply to this system? What is the general procedure to select suitable current density to that system which i mention above....

02 March 2019 9,668 2 View

How we can explain this SEM results? NiCo2S4 composite with CNT?

How we can explain this ...

02 March 2019 7,429 3 View

WHY I OBSERVE SUCH TYPE OF BEHAVIOR IN MY CCD OF C@SiOx composite?

I am using 3M KOH as electrolyte with Pt counter as counter and Ag/AgCl as reference electrode for my system.with increasing current density why potential is increases? Is this is unusual behavior...

01 February 2019 9,490 4 View

Why the CV curves area of my electrode is zero below 0V?

Is its a normal behavior? If not, then any reason, any comments, suggestions will be highly appreciated

31 December 2018 557 6 View

What is the current density 0.00001, 0.00005, 0.0002 for Charge-discharge measurements using CHI660D INSTRUMENT?

I am using the desired setup for CCD in my work. my question is, what does these value corresponds to how much current in ... A/g?

31 December 2018 5,160 3 View

How i can calculate cycles number with respect to specific capacitance from CHI660D?

The graph between number of cycles with respect to specific capacitance

31 December 2018 9,000 0 View

What is the technical way to choose potential window of two different materials using as supercapacitors?

I want to use NCS/CNT as cathode and Carbon fiber paper (CFP) as anode for supercapacitor assembly and i want to widen the potential window. My question is; what is the criteria to take anode...

11 December 2018 7,797 0 View

Why the shrinking of discharge time is observed when current density is increased?

NiCo2S4 with 6M KOH electrolyte with Ag/AgCl used as reference electrode

08 September 2018 2,531 4 View

Why Ni foam current is so high without pressing?

I am using 6M KOH electrolyte and tested the behavior of Ni foam without pressure and with pressure. I observed that, with no pressure (without press Ni foam) the current is very high as compared...

03 April 2018 3,736 7 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

Is there any expert in Smart PLS who can help me?

Dear colleagues, I have a manuscript that needs an expert in smart PLS to run the analysis, Is there anyone expert and ready to help me, please?

01 March 2021 8,212 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View