What Are The Labeled Diagrams Of The Hydrogen Fuel Cell Chemistry - Collect The Hydrogen!?

Chemistry - collect the hydrogen!? - what are the labeled diagrams of the hydrogen fuel cell

I would be delighted if someone that question, or you find a diagram of the Internet, be able to answer, etc., and these things need labels ...
Q: The zinc reacts with dilute sulfuric acid. There are hydrogen. Designing a device to be used, it can to collect the gas.

Thank you very much! : D