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Questions related from Wedad A. Alwesabi
Sn+xLi++xe−↔LixSn (0≤x≤4.4), according to this equation, the Theoretical specific capacity of Sn is 993.4 mAh/g. Please, can anyone explain why 4.4 is in the equation?
04 August 2025 1,573 1 View
We know polysulfide is produced in Li-ion and Na-ion batteries during the charge and discharge process. My question in Al-ion batteries. Is it possible that polysulfide is also produced? I have...
03 August 2025 7,595 2 View
I synthesized Zr-MOFs using solvothermal. I got this XRD pattern. Is it correct?
16 June 2025 6,412 3 View
Why when we work with an Al-ion battery, do we start to charge the battery
10 June 2025 5,467 1 View
I have a composite as the anode of a Na-ion battery. I got high capacity, but the problem was with the ion diffusion value, which it was low. How is this happening
18 May 2025 6,128 4 View
I have a cathode with a capacity in the range (100-200)mAh/g and an anode in the range (1000-2000) mAh/g. When I assemble them with a coin cell, there is no capacity, and the OCP has a low value.
27 April 2025 3,718 14 View
It is unable to charge, the curve of charge and discharge showing like a zigzag, and OCV is 0.2V
15 April 2025 4,412 2 View
does the open circuit voltage (ocv) of Rreachagable batteries affect the fully charged voltage value (up cut-off voltage)? ex. if we get 1.3v, should give this max. charge value or we can give more?
24 March 2025 7,723 2 View
I work in an Al-ion battery; I use Sulfur composite as a cathode material. the capacity was fading along the cycling. when I opened the coin cell, I found the active material completely dissolved....
05 February 2025 4,758 0 View
I synthesized MxeneTi3C2 and confirmed it as a liquid by XRD, I got a significance peak at 5.6, but after freeze drying, many peaks appeared and disappeared, and the Mxene peak
08 January 2025 443 8 View
Using a hydrothermal, I dissolved 2mmole of Ni (NO3) 2.6H2O and 4mmole of Thiourea under stirring and sonication in 40ml DIW. I kept it at 160C for 24 hours. After cooling, I got only green...
28 September 2024 2,890 0 View
I am interested in working on a coin cell aluminum ion battery, I have a question about assembling an Al coin cell. could you please arrange its pieces, i.e.( large cap, active material,...
22 September 2024 5,867 6 View
for assembling the battery I need a cathode (synthesized material), anode (Al foil high purity), separator, and electrolyte. this battery considered full cell? I mean, do not need to fabricate...
18 August 2024 6,045 4 View
I fabricated Ti3C2Tx using concentrated HF 40%, I plot an XRD as attached image below.. please let to know if I obtained it or not.
03 August 2024 7,341 4 View
I need to plot cycle number vs. capacity with multicurrent density. please let me know if my steps are right or not as the below picture
15 July 2024 7,741 2 View
I recently started to synthesize the Mxene material, but I am facing a problem with the washing stage, Can any researcher who works and has experience in this field guide me to simple detailed steps?
15 July 2024 7,029 0 View
I prepared h-BN by hydrothermal methods by boron anhydride and urea after hydrothermal I was heated at 800 temps for 12 hours after that my sample stuck to the crucible the third time, and the...
16 May 2024 7,664 0 View
I fabricated nanocomposite using the sol-gel method with a mole ratio (1:1) I want (10g) of the final product ZnO-TiO2( molar mass-161.246g/mol) the calculations of the raw materials are as...
14 May 2024 1,830 5 View
i prepared graphene oxide by modified hummers method
14 May 2024 5,244 2 View
MgO NPs were synthesized by sol-gel method. i got Raman peaks at 1022 and 1400
10 May 2024 1,099 3 View
I need this synthesis by hydrothermal method
07 May 2024 1,941 4 View
Actually, I prepared a large amount of MgO, after aging I kept it in a hot air oven at 120 for 12 hours, but there was still moisture there, then I kept it again in a hot air oven at 120C for 6...
06 May 2024 6,349 2 View
because I prepared magnetite by sol-gel method, I got XRD peaks, but for Raman, I didn't get a peak at the range 600cm-1, should I change the wavelength of the laser, or what do I have to do
06 May 2024 2,324 4 View
microwave
17 April 2024 10,099 4 View
rGo by heating GO sample is getting out by tube
03 April 2024 2,062 1 View
TGA
21 March 2024 8,154 4 View
21 March 2024 9,613 5 View
centrifuge machine
05 March 2024 2,092 2 View
in battery
19 January 2024 3,437 6 View
I want only how he apply atomic and electronic cross-section, please
31 July 2023 9,015 1 View
Do molar mass has the one value (161.2452 g/mol) for all concentrations or the mole are inserted for calculation molar mass for each concentration? I want to know that for calculating the...
25 July 2023 4,130 4 View
using coprecipitation method with raw materials : ZnCl2 and Cu(NO3)2.3H2O
10 July 2023 8,353 5 View
I fabricated mixture of metal oxide nanocomposite and converted it to pellets to study the attenuation for gamma ray
30 June 2023 5,509 9 View
I use ZnCl2 and Cu(No3)2.3H2O as starting materials. NaOH was reducing agent. solvent was distilled water. coprecipitation method was used.
29 June 2023 9,000 2 View
nanocomposites synthesis
24 December 2022 7,180 7 View
for synthesising nanosized materials
01 January 1970 2,481 1 View
lithium fluoride
01 January 1970 1,943 2 View
