Sina Hamedi

6 Questions 9 Answers 0 Followers

Questions related from Sina Hamedi

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

25 February 2021 4,217 3 View

How to define CCCV protocol by applied current and rest time?

Hello, I'm using COMSOL to model batteries (not the battery module) and I need to define the applied current as: charge (CCCV) + rest + discharge (CCCV) + rest I'm wondering if it is possible to...

20 August 2020 9,672 2 View

The function of salt bridge in electrochemistry?

Hi We use a salt bridge in a Galvanic cell to maintain electron neutrality by transferring anions to the anode side and cations to the cathode side. The question is that why the existing SO4(2-)...

01 August 2019 4,403 7 View

Best way to separate a relatively big cation molecule?

I want to continuously separate a relatively big cation molecule (methyl viologen) in an alkaline (pH ~12) aqueous flow with a flow rate about 3000 micro-mole/min of target molecule. I'm wondering...

17 June 2019 6,436 0 View

Reference exchange current density in Tafel equation for modeling of ORR in an alkaline fuel cell?

Hello, I'm going to model the cathode side (Pt/C) of an alkaline fuel cell. To use Tafel equation for obtaining Oxygen reduction reaction kinetic, I need to know the exchange current density...

29 April 2019 8,583 2 View

Why do we exert potential on GSAT/PSTAT analysis of electrochemical cell?

Hi guys, I have an anode and I want to measure the passing current through this electrode when a certain electrochemical reaction takes place near the surface. I read about the 3 electrodes test...

20 January 2019 8,053 7 View