Sarah Carl

5 Questions 10 Answers 0 Followers

Questions related from Sarah Carl

No hydrogen oxidation peak in CV

I was wondering if I need to widen my window since I do not see any peaks for my electrocatalyst? There is a noticeable hydrogen evolution tail so I know I am on the right track but I expected...

31 May 2017 7,926 6 View

Which is more important to apply constantly - voltage or current - for electrochemical hydrogenation?

Hi, I am trying to determine which parameter (current or voltage) is more important for electrochemical hydrogenation. I understand that current is directly related to the rate of electron flow...

05 October 2016 5,163 8 View

How do you calculate faradaic efficiency for chemical conversion?

My reactant is only 1 mol% of the total flow rate, so I was wondering if you account for only the reactant flow rate when calculating for the theoretical calculation? I am following the...

22 August 2016 4,542 3 View

Are you required to remove MEA from cell in between testing?

I assume it will be fine for the MEA to remain in the cell since leaving it in there is easier for me to test it again the next day. It stays dry in the cell after I purge it, so there shouldn't...

10 August 2016 2,055 2 View

What conditions should I use when conditioning a new membrane electrode assembly?

I usually condition the MEA by running the gases overnight and then apply a constant potential of 0.6V for an hour, but I am having an issue of not being able to apply a current above 0.1A.

10 March 2016 6,164 4 View