Interpretation:
The half-cell as well as the overall reaction that occur in hydrogen fuel cell is to be explained.
Concept introduction:
There are majorly three types of commercial cells which are as follows:
- Primary cells
- Secondary cells
- Fuel cells
Primary cells are those in which redox reaction occurs once and then they cannot be used again, become dead. Example: Dry cell.
Secondary cells are those in which can be recharged again and again and can be re-used. Example is lead storage battery.
Fuel cells are those in which electrical energy is produced by combustion of fuels.
Answer to Problem 17SSC
The reaction at anode and cathode occur as follows:
So the overall reaction turns out to be as follows:
Explanation of Solution
Hydrogen fuel cell consist of porous carbon electrode which contains catalyst like
Here generally
The reaction at anode and cathode occur as follows:
The hydrogen at anode utilizes
So the overall reaction turns out to be as follows:
The reaction at anode and cathode occur as follows:
So the overall reaction turns out to be as follows:
Chapter 20 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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