Zuhair Elseddig

4 Questions 13 Answers 0 Followers

Questions related from Zuhair Elseddig

How to calculate specific capacitance or (specific capacity) for battery like materials electrode?

Could anyone tell me how to calculate specific capacitance or (specific capacity) for battery like materials electrode. I read some paper say that for battery like materials the appropriate way to...

14 June 2017 4,156 7 View

What is the role of citric acid in sol gel process of LaMnO3 perovskite preperation?

Some reseracher caculate stoichiometric amounts (1:1) based on citric acid : metal ions, while other recearcher used (1:1) based on citric acid : nitrate ions. so how can I calculate Appropriate...

22 October 2016 6,595 13 View

Why Precursors of perovskite (such as LaMnO3 after obtaining metal hydroxide) should be calcined in oxygen atmosphere at high temperature?

Dear all I'm working with graphene \LaMnO3 nanocomposite . my question is : Is it easy to do calcination in vacuum oven (tube furnace), in order to avoid inducing defects in the graphene layers (...

04 October 2016 1,312 2 View

Why is capacitace of solid state supercapacitor getting low even when I generate pores in graphene electrode?

Hello everyone, I tried to improve the capacitance of my solid state supercapacitor (Reduce Graphene paper obtained by vacuum filtration was used as electrode materials) by generating pores in...

21 February 2016 489 7 View