Yusuf Khan

10 Questions 16 Answers 0 Followers

Questions related from Yusuf Khan

What are the Specification (like dimensions, capacity etc.) of power source in self-powered sensors?

I want to know the specifications of power sources like thin-film batteries or supercapacitors in self-powered sensors. I am working on thin-film batteries and my potential application in...

11 January 2024 1,213 2 View

What are the possible reason for the cracks in 3D printed electrode?

I prepare a 3D printed electrode for micro battery application. But it develops many cracks (shown in the image below) after drying at a very low temperature of around 35 degrees Celsius. My ink...

28 December 2023 5,133 4 View

What if K-absorption edge of filter material in XRD lie exactly at the K beta radiation of targeted source in X ray diffraction system?

In designing the Xray machine, we always want a monochromatic Kalpha radiation of X-ray source. For this purpose we generally put a filter to reduce the k beta radiation but still we get some k...

16 November 2019 1,456 4 View

Is there any polymer which have oxidation temperature greater than 200 degree celsius?

I need a polymer which give gaseous product on oxidation. On prolonged heating on greater than 200 degree celsius it oxidise.

05 September 2019 3,105 3 View

How to differentiate between XRD pattern of Graphen Oxide and Reduced Graphene Oxide?

I use GO in my recent project and I did XRD of GO and got below attached data (figure). I am confused that its GO or RGO. And when I did literature survey I got mixed answer some paper show that...

19 February 2019 9,366 3 View

How to increase cyclic stability of Metal oxide deposition based on Ni foam spercapacitor electrode?

I had prepare a supercapacitor electrode based metal oxide deposition, I got a high capacitance with good scan rate around 10 A/g but the cyclic stability after 2000 cycle was very low around 30%...

13 December 2018 2,133 2 View

How to optimise weight deposit on Ni Foam for supercapacitor application?

During making an electrode of Ni foam by past as prepared slurry of required sample, the weight gain is always comes out to very high around 10-15 mg. Although in literature mention that weight...

10 October 2018 9,790 3 View

Why 2 theta value for same miller indices of x-ray pattern shifted to lower 2 theta value when we move from copper to aluminium?

while examining two different x-ray pattern of copper and aluminium, I have above doubt. can anyone explain me this effect.

02 September 2018 7,263 3 View

At what condition can be attain for the change in physical properties but the weight loss is minimum or null during TGA analysis?

Recently I had read about TGA (Thermogravimetric analysis) characterisation for polymer materials. Then I am stuck at the above question. Can somebody help me to figure it out.

27 April 2018 3,145 3 View

How to calculate surface area of particle?

How to calculate the specific surface area of particles. if particle size distribution is given.

19 April 2018 724 7 View