Tesla vs Toyota MIRAI: The battle between lithium batteries and hydrogen energy
I. Comparison of infrastructure and energy sources
With the depletion of oil resources, new energy vehicles have long been on the research and development agenda. With years of technical accumulation and development, there are currently two major camps for new energy vehicles, one is pure electric vehicles and the other is hydrogen energy vehicles. The two have great differences in power composition, and each has its own advantages. Who is the darling of the future new energy vehicles? Let us discuss with Tesla and Toyota Mirai.
1, the working principle of the two
Tesla has integrated more than 8,000 batteries on the chassis. These batteries are combined in series to form their power unit. Tesla uses Panasonic's lithium battery. The whole car has a total of 16 battery packs, each of which is covered by a battery pack. A fiberglass panel provides simple protection for the battery. A coolant transfer conduit is placed between the battery compartments to control the temperature of the battery. The entire battery module can drive the motor.
Toyota Mirai works by storing hydrogen fuel in a separate energy storage tank, generating electricity by reacting with oxygen in the outside air, storing it in an energy storage battery, and then driving the motor by electrically driving the motor. Finally returned to the motor working mode.
2, energy source
The energy of electric vehicles comes from electric energy. With the development of pure power generation such as wind power generation and hydropower generation, the degree of environmental pollution caused by electric energy is decreasing. The scrapped battery can also be recycled, and the battery life will be longer. Power generation is no longer a technical problem, and nuclear power is becoming more popular.
Hydrogen is abundant in nature. Toyota has mastered the mature hydrogen manufacturing technology. Toyota believes that everything in the world can be used to make hydrogen. It can be seen that we do not have to worry about hydrogen depletion. However, the production of hydrogen is a process that requires energy consumption. The best method at present is to produce hydrogen by electrolyzing water. The energy conversion rate of the electrolyzed water system is only 80%, which is not very efficient. It can be seen that both energy sources can be fully guaranteed.
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