13 Questions 22 Answers 0 Followers
Questions related from Oussama Khiter
I am currently working on preparing activated carbon from a carbon precursor using KOH and NaOH as activating agents. After the impregnation process, when I dry the solution, the material forms a...
02 January 2025 9,427 3 View
Dear researchers, I am using polypyrole as supercapacitors electrode in a three electrode system, what i have seen is that at the same current density the specific capacitance of the electrode...
28 August 2024 7,342 0 View
Dear researchers, Why specific capacitance is not proportional to the specific surface area? I have material A with a surface area higher than material B, but material B is showing little bit...
27 July 2024 9,346 2 View
Dear researchers , Could you please share with me the name or type of full cell you're using for super-capacitors electrochemical measurements? i mean the best, effective and common one
10 July 2024 2,510 5 View
Why specific capacitance calculated from cyclic voltammetery is different from the one calculated from charge-discharge? Ps1: I used the same potential window. Ps2: the charge-discharge curve is...
19 April 2024 9,775 1 View
How much water is typically used during the impregnation step? is there any relationship between the weight of carbon and the amount of water?
13 April 2024 3,004 0 View
Dear researchers, during chemical activation, when should i start injecting N2 to the precursor? is it at the same time when start heating or until reaching the desired temperature ? thanks in...
24 February 2024 1,372 9 View
during GCD, i am seeing no discharge after long time of charging?
13 November 2023 7,390 12 View
the furnace i am using for activation has been damaged, the alumina tube broke , i need a good glue to fix it!
13 November 2023 5,323 1 View
Dear researchers, I am looking for someone can help me realizing the three common measurements tests of supercapacitors (CV, GCD, and EIS) using the electrochemical workstation CHI 660 E.
26 October 2023 759 3 View
Dear researchers, I am looking for someone can help me realising the three common measurements tests of supercapacitors (CV, GCD, and EIS) using the electrochemical workstation CHI 660 E. i have...
25 October 2023 10,078 1 View
Could you please explain why i am not having the rectangular shape in cyclic voltametry as usual in EDLC, i am using fly ash carbon.
02 October 2023 5,502 6 View
Dear researchers, Could you please explain why the GCD curves looks this way? especially the one at 8 ma i thought it should be fully rectangular for EDLC i am using fly ash carbon
02 October 2023 4,970 4 View
