How to create a fuel cell?

itsmesanthugowdacan anyone tell me how to prepare a fuel cell.... and the working,,,,

If you search the Internet, you will find answers to questions right away. Here's an article that describes how fuel cells work in depth: <a href="https://auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm" target="_blank" rel="noopener noreferrer">How Fuel Cells Work | HowStuffWorks</a>

Go through that article and if you have specific doubts about working of fuel cell, please post your questions here 😀