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Questions related to Carbon Materials
I want to know which crucible is best for carbon-KOH activation treatment. Ni? or quartz? ceramic crucible?
29 November 2018 7,805 4 View
11 November 2018 10,076 5 View
New carbon material
10 October 2018 404 0 View
I'm testing supercapacitors with some carbon material as electrode, a spike shows up at 1V at slower scan rate in the CV (normalized by scan rate). My understanding is that the spike is either...
10 October 2018 6,945 9 View
09 October 2018 7,197 8 View
why their is a diiffrent window for carbon materials . when people are using CNT / GO with nickel foam they are using positive window for cyclic voltammetry. but when the are using some activated...
10 September 2018 4,558 3 View
09 September 2018 7,293 3 View
WE are working on the supercapacitor and battery electrode synthesis from carbon materials.
09 September 2018 4,283 0 View
I am attaching the XRD pattern of two of my carbon materials C1 and C2. The C2 carbon shows XRD pattern with a broad peak around 15-25 degree whereas C1 shows two distinct peaks in the same...
27 August 2018 1,689 3 View
Potassium hydroxide (KOH) or ZnCl2 are used to activate carbon materials such as biomass prior to carbonization and heat treatment. What is the nature of this chemical activation? What are the...
08 August 2018 8,050 1 View
08 August 2018 3,813 4 View
I didn't get Raman Spectra of carbonaceous phase from a composition of Mg/C based condensed powder obtained by arc-plasma method. However, Raman spectra is observed when the powder sample has been...
08 August 2018 4,800 3 View
I am trying to analyse an impedance spectra using the gamry software. Previously I have only look at these spectra qualitatively. The circuit is a carbon foam on an ITO substrate. I am trying to...
07 July 2018 9,357 2 View
Using solid polymer electrolytes (film form) as the electrolyte material for supercapacitors, does considering the whole mass of the active carbon material to calculate the specific capacitance is...
06 June 2018 9,684 5 View
We prepare carbon nanospheres from agricultural waste by pyrolysis. I have two questions: 1. Is there any evidence that explains formation of spherical shape during pyrolysis? 2. After pyrolysis,...
28 May 2018 5,109 3 View
I want to know what are the effects of silicon doping in organic material on the capacity of supercapicitor. prepared from this doping material
25 May 2018 9,821 2 View
I am working with several carbon materials with different morphology such as carbon nanotubes by nanocasting, graphene oxide and graphite. I have observed that band D is broader than band G. What...
05 May 2018 7,827 7 View
05 May 2018 4,140 4 View
05 May 2018 4,670 2 View
I know that in some articles it can be found the description of boron compund like i.e. tetrahedrally boron atoms connection by using EELS spectroscopy diagrams. If it is possible to recognize...
05 May 2018 10,007 3 View
For Raman， we usually use the ID/IG to characterize the defects of a materials.Does it refer to peak area or peak intensity to do this？
05 May 2018 3,758 0 View
How could we determine the different compositions of MO, carbon materials and polymers that we need when preparing nanocomposites? How could we determine the best percentage of them? In what base...
03 March 2018 9,865 5 View
I am using PVP as a capping agent for nanoparticle preparation. How can I remove PVP after formation of nanoparticle, which is supported by carbon material? Thanks!
03 March 2018 7,536 5 View
I am trying to synthesis new porous carbon materials for EDL super capacitor, but the GCD curve of my electrode become rectangular rather triangular. Does somebody know the reason?
27 February 2018 8,460 3 View