Umair Gulzar

4 Questions 21 Answers 0 Followers

Questions related from Umair Gulzar

How to dry or dehydrate polyethylene Glycol (PEG) 400?

I need PEG 400 with water content as low as 1%. Commercially available PEG 400 has higher water content. There is a protocol of drying PEG on protocol exchange...

09 June 2020 4,374 1 View

Why I am observing a voltage drop from 2.4 to O V while discharging Lithium Sulfur battery?

I made a Lithium sulfur cell, with Sulfur/Carbon cathode and Lithium metal anode using 100 uL of electrolyte (0.6 M LiNO3 and 0.4 M LiTFSI in DME:DOL). I am using a Biologic VSP 300 battery cycler...

28 May 2020 1,340 5 View

How do I coat a very hydrophobic carbon material on the surface of copper for lithium ion batteries ?

I want to coat a very hydrophobic carbon based material on the surface of copper current collector for lithium ion batteries. I am using PVDF as a binder and NMP as solvent. The slurry I make is...

01 January 1970 774 6 View

How to calculate the Theoretical Open Circuit Voltage of Li-S Cell?

01 January 1970 2,460 1 View