35 Questions 64 Answers 0 Followers
Questions related from Anand Parkash
I came across a published paper that provides the following formula for estimating the specific conductivity (σ) of a metal coating on fibers: σ=L/π⋅d⋅t⋅R where ddd is the average diameter of the...
30 November 2024 2,997 1 View
I'm working on calculating the conductivity of metal-coated insulating fibers and would appreciate some clarification on the correct approach. Specifically, when calculating the cross-sectional...
30 November 2024 5,933 2 View
What are the techniques for measuring the thickness of the copper coating on glass fabric? If you have literature then kindly share.
23 January 2024 6,984 4 View
How can I calculate the resistance and area of a roving basalt fiber with a diameter of 17 micrometers and a length of 10 cm? Additionally, could you suggest the most advanced instruments capable...
06 June 2023 3,613 3 View
Electroplating glass parts offers its own unique challenges, as glass substrates often need to be prepared for the plating process because glass is non-conductive. So how do I prepare a glass...
02 February 2023 6,322 1 View
searching for some possible applications for conductive fiber materials.
30 January 2023 4,663 0 View
What are the methods to determine the current carrying capacity of the copper wires and carbon nanotube composites?
25 January 2023 2,524 3 View
How do you calculate the electrical and mechanical properties like shear modulus, electrical resistivity, and conductivity of graphene and carbon nanotube composite materials?
24 January 2023 9,745 3 View
I have read lot of papers they are calculating ECSA = Cdl/Cs, their calculation methods of Cs is different and have different values. I am trying to calculate Cs of metal organic framework (MOFs).
28 November 2019 10,025 0 View
is there any standard methods to calculate Eo and current density in OER LSV curve?
27 November 2019 814 2 View
I have done CV using commercial Pt/C (20%) in 0.1 M KOH at room temperature in N2 atmosphere, scan rate 0.5 V/S. For ink preparation I used 6 mg of catalyst 1 ml ethanol and nation (950 microliter...
20 November 2019 5,657 4 View
How to calculate limiting current density?
21 September 2019 181 1 View
the chemical reaction between H2PtCl6.6H2O and cetrimonium bromide (ctab) using solvothermal technique with methanol as solvent at room temperature?
03 September 2019 683 0 View
As per the procedure I have taken 5 mg of sample dissolved in 2 ml HCl and 5 mL HNO3, after digestion I dissolved (Water) it and make 100 mL solution. I used this solution directly without further...
29 May 2019 2,573 1 View
I know it is a very basic question but we have tried many times and are getting different values so for the confirmation I am posting here. F is the Faraday constant (96,485 C mol-1 ). C0 is...
23 May 2019 2,267 4 View
For ICP-MS analysis: for the digestion of catalyst (0.05 mg catalyst PtNi) mixing in 5 ml HNO3 & 2 ml HCl, after digestion process, we are diluting it in water (45 ml), what will be the PPb of...
18 May 2019 1,766 3 View
I used ICP-MS for Pt quantity (wt %) in catalyst PtCu. I digested 0.20 mg of sample in 2 ml of HNO3 and made up volume to 100 ml with dist. Water. From the 100 mL solution, I took 10, 20, 50, 100...
15 May 2019 6,502 6 View
in attached file if I want to set the potential between 0.6 and 1.2 V then how I will put ? are these High and Final or initial and Final?
19 April 2019 177 0 View
as given in attached image I am using initial 0 and final -0.8. I want to know exact range for Pt based catalysts.
27 February 2019 5,529 5 View
For the conversion of the applied potential vs Hg/HgO electrode potential vs reversible hydrogen electrode (RHE) using the Nernst equation as follows: ERHE = EHg/HgO + 0.059 × pH +...
21 February 2019 2,247 3 View
Hi, What is the effects of size of nano-particles on oxidation reduction reactions (ORR) and what is the best size I mean lowest size at which catalyst is more active for ORR?
26 January 2019 7,305 5 View
How to find onset potential from LSV plot of Oxidation Reduction Reaction (ORR)? As I attached two graphs of ORR, but I don't know how to measure onset potential exactly. If possible then please...
20 December 2018 5,795 2 View
Hi, I am new and I want to purchase electrodes (platinum and Hg/HgO), manufacture is asking about model, kindly tell me model numbers of these electrodes. Thanks in advance.
12 September 2018 4,589 3 View
I want to perform CV but confused about electrolyte selection. which type of electrolytes is best acidic or alkaline? Can anyone suggest me the way of electrolyte selection. I mean the electrolyte...
13 June 2018 4,492 3 View
I'm doing calculations using Gaussian DFT method. My molecules contain C, O and Cu. I read some papers, they use split basis set for this kind of molecule, and very often they use LANL2DZ for Cu...
16 March 2018 8,581 5 View
How to avoid the error galloc: couldn't allocate memory in Gaussian 09? every time we get the error galloc: couldn't allocate the memory. how to avoid it? galloc: could not allocate...
15 March 2018 9,526 2 View
Hi, I am not getting convergence in gaussian09 for Cun (n=31-55) atoms. I tried many things like scf=yqc, scf=xqc, scf=qc, maxcycle=512, Ultrafine grid. I also optimized first by semi-empirical...
18 January 2018 9,880 1 View
The Cambridge Energy Landscape Database
26 December 2017 4,888 2 View
I am doing optimization. my route section is as following: %nprocshared=4 %chk=Cu16.chk # opt=maxcycle=3000 freq m06/LANL2DZ scf=(qc,maxcycle=3000) But my job dies by issuing this...
20 December 2017 6,592 16 View
LANL2DZ basis set
19 December 2017 1,043 7 View
I am working on copper clusters and adsorption of CO2 on copper surfaces, I am using Gaussian G09 to optimize. I tried to optimize many times with different basis sets but finding same problem...
07 December 2017 9,238 1 View
I am trying M06-L/ 6-31+G(d,p) and M06-L/LANL2DZ with keywords "auto integral=ultrafine", but I am unable to calculate. Any ideas what should I put on the input file to use this functional...
02 December 2017 4,331 3 View
I want to optimize the structures of Cu and CuO clusters.
17 November 2017 466 2 View
I need some PhD proposals for chemical and biochemical engineering.
18 December 2015 7,248 4 View
I am working at Microbial Fuel Cell.
29 August 2015 992 5 View
