The chemistry problem in junior high school is urgent ~ ~ ~ ~ ~

Hydrogen is a new energy source because:

Hydrogen energy is a completely clean new and renewable energy. It uses fossil fuel, nuclear energy and renewable energy to produce hydrogen, which can be directly used as fuel, can also be directly converted into electric energy for power generation and transportation through electrochemical reaction of fuel cells, and can also be used as an intermediate carrier of various energy sources. When hydrogen is used as fuel in transportation, heat energy and power production, it has the characteristics of high efficiency and high benefit. The products of hydrogen reaction are water and heat, which are truly clean energy and sustainable energy, and will have a revolutionary impact on the sustainable utilization of energy, environmental protection, reduction of air pollution and atmospheric greenhouse effect. Hydrogen can be used as a reserve energy source. If abundant surplus electric energy is used to produce hydrogen by electrolyzing water, an independent hydrogen supply station can be built without regional networking. Therefore, the combination of hydrogen and renewable primary energy can meet all the needs of future energy.