About anodic and cathodic peaks in Cyclic Voltammetry?

Is there anyone to explain me about the CV behavior of carbon based composite of Vanadium Nitride in which i am clearly obtaining anodic peak around -0.5 V vs Ag/ AgCl but there is no cathodic...

06 July 2018 6,151 1 View

Coulombic efficiency >1?

what if coulombic efficiency of supercapacitor at higher scan rate greater than 1.? Is it possible to have coulombic efficiency greater than 1? Is there anyone to explain what is happening. I am...

05 June 2018 8,427 0 View

How can I solve this problem of capacitive charge storage curve?

Hi everyone, i am calculating capacitive and diffusive control charge storage behavior of MnOx and i have problem that when i calculate just capacitive behavior its curve crosses at certain...

09 October 2017 4,339 2 View

Can someone suggest me a software to make graph for paper ?

i am taking original graph from origin software and put them in paint to make PNG. but their text look dull. will someone suggest me any software to make graph?

01 February 2017 9,600 0 View

Is calculating capacitance for two electrodes asymmetric configuration same as for symmetric configuratio n?

i want to calculate specific capacitance for asymmetric configuration. Is this same as for symmetric configuration?. i am using two electrodes configuration.

31 December 2016 8,233 5 View

Can someone tell me of permeable coating of the carbon fibers electrodes?

i am looking for literature for permeable coating of the carbon fibers electrodes so that i can install it into textile. can someone refer or send me any literature in this regard.

10 November 2016 9,866 0 View

Can i use NaOH for electrochemical activation of the carbon fibers?

10 November 2016 4,611 2 View

How to calculate energy density and power density in wh/cm and w/cm?

06 July 2016 5,784 3 View

Can i calculate capacitance for Asymmetric configuration using same equation as for symmetric ?

01 January 1970 4,812 0 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View