Fuel cell (Cell Fuel) is a kind of power generating device which can directly convert the chemical energy of fuel and oxidant into electrical energy. Fuel and air are fed to the fuel cells, and electricity is produced in a wonderful way. It looks like a positive and negative electrode and electrolyte, like a battery, but in essence, it can not be "storage" but a "power plant"". However, it requires electrodes and electrolytes as well as redox reactions to generate electricity.
The fuel cell is related to chemical thermodynamics, electrochemistry, electro catalysis, materials science, electric power system and automatic control and so on. The fuel cell has the advantages of high power generation efficiency and low environmental pollution.
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