What is the principle of hydrogen-powered vehicles?
1 Answers
The following is a detailed introduction to the advantages of hydrogen-powered vehicles: 1. Near-zero or zero emissions, environmentally friendly: Fuel cell electric vehicles are essentially zero-emission vehicles. The fuel cell does not involve a combustion process but rather an electrochemical catalytic reaction that combines hydrogen and oxygen to produce water. 2. High energy conversion efficiency, energy-saving: Fuel cells do not have mechanical components such as pistons or turbines, nor intermediate processes, and do not undergo a heat engine process. They are not limited by the thermodynamic cycle (Carnot cycle), resulting in high energy conversion efficiency. Theoretically, the chemical energy conversion efficiency of fuel cells can reach 100%, with actual efficiency ranging from 60% to 80%, which is 2-3 times higher than the thermal efficiency of conventional internal combustion engines. 3. Wide and diverse sources of hydrogen fuel, optimizing energy consumption structure: The hydrogen fuel used in fuel cells has extensive sources. In nature, hydrogen energy is abundantly stored in water and can be obtained through water electrolysis or from renewable energy sources. Fuel cells do not rely on petroleum fuels, as various renewable energy sources can be converted into hydrogen energy for effective utilization, reducing dependence on petroleum resources and optimizing the composition of transportation energy. 4. Long driving range per hydrogen refill and short refueling time: A single hydrogen refill can provide a driving range of 600-700 kilometers, and it only takes 3-5 minutes to fully refuel with hydrogen.
