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

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

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

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View