The Mechanism of Power Generation

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Hydrogen has the atomic number "1" and consists of one electron.
When hydrogen comes into contact with the anode, the electron is released and the hydrogen changes into hydrogen ions.
Electrons extracted at the anode pass through copper wire to the cathode and produce electricity. The hydrogen ions enter into the high polymer membrane.
However, because this is electrically unstable, for stability, they are reunited with the electrons at the cathode and coupled with oxygen.
At this stage, combination takes place, and heat is emitted.
From the combination of hydrogen and oxygen, water is created.
[See this explanation as a sequence]