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 ?

i want to calculate capacitance of supercapacitors for asymmetric configuration. Can someone tell me if it is same equation can be used for this configuration when we are using two electrode...

01 January 1970 9,682 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 are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 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

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 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

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View