I want to feed chlorine and hydrogen from an electrolysis reaction (using water and sodium chloride) and in turn feed the product (hydrogen chloride) back into the electrolysis water to counteract the sodium hydroxide built up from the electrolysis reaction. Can a pem fuel cell do that or can it only handle hydrogen and oxygen?

  • $\begingroup$ The goal would be to use the gas as pressure to run a compressed air engine. $\endgroup$ – user11937382 Nov 20 at 7:35
  • $\begingroup$ Because I just need to know if pem fuel cells can work with chlorine and the engine has nothing to do with that. I can use just hydrogen and oxygen but I wanted to use the salt to lower the voltage needed in the electrolysis. And I can’t use potassium chloride because solids build up. $\endgroup$ – user11937382 Nov 20 at 7:40
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    $\begingroup$ Still bad idea. Chlorine is very reactive and the membrane will not last long. $\endgroup$ – Poutnik Nov 20 at 7:42
  • $\begingroup$ BTW, you have not provided the material of the PEM. $\endgroup$ – Poutnik Nov 20 at 7:56
  • $\begingroup$ I haven’t picked one yet. If it was possible I was going to ask which one is best next. $\endgroup$ – user11937382 Nov 20 at 7:58