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Hydrogen Powered Car Working Principle

"The Working Principle of Hydrogen Fuel Cell Vehicles"

Hydrogen energy is an emerging energy source in modern times, and its use in automobiles has attracted much attention. Today's detailed discussion on the working principle of hydrogen fuel cell vehicles.

Hydrogen fuel cell vehicles, the core of their fuel cell system. This system is like the "heart" of the car, which dominates the source of power. Its operation is based on an electrochemical reaction, using hydrogen and oxygen as reactants to generate water and release electricity.

First talk about the supply of hydrogen. The car is equipped with a high-pressure hydrogen storage tank to store enough hydrogen. This tank needs to have extremely high pressure resistance to ensure the safe storage and transportation of hydrogen. When the car starts, hydrogen is exported from the storage tank and exported to the fuel cell stack.

Description of the fuel cell stack. This is where the electrochemical reaction takes place. The fuel cell stack is made up of many single cells in series, each of which has a cathode and an anode, separated by a proton exchange membrane. Hydrogen gas goes to the anode, and under the action of a catalyst, the hydrogen molecules are decomposed into protons and electrons. The protons can pass through the proton exchange membrane to the cathode, and the electrons form an electric current through the external circuit, which powers the car.

Furthermore, the acquisition of oxygen. Air enters the car through the intake system, and the oxygen in the air reaches the cathode. Under the action of a cathode catalyst, oxygen combines with protons and electrons that flow back through the external circuit to generate water. This process repeats itself, continuously generating electricity to drive the car forward.

In addition, in order to make the fuel cell system operate efficiently and stably, auxiliary systems are still needed. Such as a cooling system to control the operating temperature of the fuel cell stack to prevent it from overheating and losing performance; a gas management system to precisely adjust the flow and pressure of hydrogen and oxygen to ensure sufficient reaction.

Hydrogen fuel cell vehicles, with their clean and efficient characteristics, are expected to bring innovation to future transportation, but they also face challenges such as high cost and lack of hydrogen refueling facilities. With time, when the technology is advanced and the facilities are complete, they will surely shine in the transportation field.