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On the advantages and disadvantages of trams and hydrogen fuel cells
In today's world, the way of transportation, trams and hydrogen fuel cells contend. Each has its own strengths and each has its own shortcomings. The analysis is as follows.
For trams, it can be stored in batteries. The system of batteries is getting better and better. Since lead-acid, as for lithium-ion batteries, the amount of energy accumulated is increasing day by day, and the journey is getting farther and farther. Moreover, the movement of trams depends on electricity. The production of electricity, whether from wind or light, is clean and beneficial to environmental protection. Its movement is also static, without noise or filth, and the driver and passenger feel it is suitable. In addition, the structure of trams is simpler than that of traditional cars, which saves maintenance costs and requires less damage to parts. However, the tram also has its difficulties. First, it takes a long time to charge. If you want to full its energy, you can count as few hours as you want, and as many days as you want, it is not like a fuel car. Second, the lifespan of its battery is limited. After a few loads, the energy accumulation will gradually decline, which is easy to cause a sharp reduction in travel, and replacing the battery will cost a lot.
Hydrogen fuel cells generate electricity by combining hydrogen and oxygen. The accumulation of hydrogen is also wide, and there are almost endless deposits in the universe. And when it produces electricity, it only generates water, which is absolutely free of pollution, and is extremely clean. The charging time of a hydrogen fuel cell car is short and convenient, just like a fuel car, it can be done in an instant, and it is convenient to travel. And its power is also strong, can meet the high demand. However, the disadvantages of hydrogen fuel cells are also obvious. First and foremost, the production of hydrogen is difficult. Hydrogen obtained by electrolysis of water consumes a lot of electricity; fossil energy to produce hydrogen, but it loses the meaning of cleanliness. Second, the technique of hydrogen storage is not good, the quality of hydrogen is light, and the storage requires high pressure and low temperature, and the equipment is expensive. Furthermore, the system of its battery requires precious and rare gold such as platinum, and the cost is high, which makes the car expensive and difficult for the public to accept.
From this perspective, trams are known for their convenience in storing electricity, saving maintenance and protecting the environment, but when charging, the battery life is constrained; hydrogen fuel cell vehicles are excellent in charging speed, strong power and cleanliness, while the difficulties in production, storage and cost prevent their wide distribution. If both want to travel on the road, they must break through their traps and improve their skills before they can develop their strengths in the field of transportation and benefit the world together.
In today's world, the way of transportation, trams and hydrogen fuel cells contend. Each has its own strengths and each has its own shortcomings. The analysis is as follows.
For trams, it can be stored in batteries. The system of batteries is getting better and better. Since lead-acid, as for lithium-ion batteries, the amount of energy accumulated is increasing day by day, and the journey is getting farther and farther. Moreover, the movement of trams depends on electricity. The production of electricity, whether from wind or light, is clean and beneficial to environmental protection. Its movement is also static, without noise or filth, and the driver and passenger feel it is suitable. In addition, the structure of trams is simpler than that of traditional cars, which saves maintenance costs and requires less damage to parts. However, the tram also has its difficulties. First, it takes a long time to charge. If you want to full its energy, you can count as few hours as you want, and as many days as you want, it is not like a fuel car. Second, the lifespan of its battery is limited. After a few loads, the energy accumulation will gradually decline, which is easy to cause a sharp reduction in travel, and replacing the battery will cost a lot.
Hydrogen fuel cells generate electricity by combining hydrogen and oxygen. The accumulation of hydrogen is also wide, and there are almost endless deposits in the universe. And when it produces electricity, it only generates water, which is absolutely free of pollution, and is extremely clean. The charging time of a hydrogen fuel cell car is short and convenient, just like a fuel car, it can be done in an instant, and it is convenient to travel. And its power is also strong, can meet the high demand. However, the disadvantages of hydrogen fuel cells are also obvious. First and foremost, the production of hydrogen is difficult. Hydrogen obtained by electrolysis of water consumes a lot of electricity; fossil energy to produce hydrogen, but it loses the meaning of cleanliness. Second, the technique of hydrogen storage is not good, the quality of hydrogen is light, and the storage requires high pressure and low temperature, and the equipment is expensive. Furthermore, the system of its battery requires precious and rare gold such as platinum, and the cost is high, which makes the car expensive and difficult for the public to accept.
From this perspective, trams are known for their convenience in storing electricity, saving maintenance and protecting the environment, but when charging, the battery life is constrained; hydrogen fuel cell vehicles are excellent in charging speed, strong power and cleanliness, while the difficulties in production, storage and cost prevent their wide distribution. If both want to travel on the road, they must break through their traps and improve their skills before they can develop their strengths in the field of transportation and benefit the world together.
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