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Europe and America attach great importance to the development of fuel powered cell passenger vehicles. How should China seek breakthroughs? Qian Wei, Deputy General Manager of Chunhua Hydrogen Energy, told reporters that starting from the actual situation in China and starting from the field of commercial vehicles, we should seek opportunities for breakthroughs.
The power of Toyota Mirai is 115 kilowatts, and the technical level of fuel cell stacks in China still cannot reach such a high level. Qian Wei said: If the fuel cell stack in China reaches 115 kilowatts, its volume is relatively large, and the space in passenger cars cannot accommodate it. Commercial vehicles have low sensitivity to the volume of fuel cell stacks. Under the current technological conditions, it is more suitable for China to start promoting fuel powered cell vehicles from commercial vehicles.
The popularization of traditional fuel vehicles is closely related to the dense distribution of gas stations. The promotion of fuel powered cell vehicles cannot do without the construction of hydrogen refueling stations. However, the construction of domestic hydrogen refueling stations faces two challenges: firstly, people have insufficient understanding of hydrogen safety; Secondly, it is difficult to find land for building hydrogen refueling stations in cities.
In recent years, news of children being injured by hydrogen balloons has repeatedly appeared in newspapers, causing people to be very concerned about the safety of hydrogen. This phenomenon not only exists among citizens, but also many local leaders have insufficient awareness of the safety of hydrogen. Mao Zongqiang, Vice Chairman of the International Hydrogen Energy Association and Professor at Tsinghua University, said: As long as operated properly, hydrogen is not dangerous. In addition, the specific gravity of hydrogen is very small and its volatility is extremely strong. If there is a slight leak at the hydrogen refueling station, it will immediately evaporate into the atmosphere and will not accumulate at the station for explosion.
Gas stations are densely distributed in every corner of the city, and car owners are accustomed to refueling nearby. However, urban land resources are very scarce, especially in large cities, where there is no excess land for the construction of hydrogen refueling stations. In addition, in order to meet safety standards, the area and scale of hydrogen refueling stations must be large, making it even more difficult to find such land in cities. It is not possible to add hydrogen nearby, as fuel cell passenger car owners may find it very inconvenient and greatly reduce their purchasing motivation. Qian Wei said that building hydrogen refueling stations in the suburbs will solve the problems of insufficient understanding of hydrogen safety and land resources.
Most of the parking lots for urban buses in China are located in the suburbs. Hydrogen refueling stations are built in the suburbs, and fuel cell buses can be refueled nearby. In addition, freight vehicles running around the city pass through the outskirts, and the construction of hydrogen refueling stations in the suburbs also facilitates the refueling of fuel powered cell freight vehicles.
Another industry expert told reporters that fuel power cells have good power characteristics and can provide energy to vehicles for a long time, which is destined to be more suitable for large commercial vehicles.
The cleanliness of hydrogen energy is self-evident, and countries all want to gain a leading advantage, starting from commercial vehicles, which is more in line with China's actual situation.
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