Life-cycle Assessment and Scenario Simulation of Four Hydrogen Production Schemes for Hydrogen Fuel Cell Vehicles

被引：0
|
作者：
Chen Y.-S. [1 ]
Ding Z.-S. [1 ]
Wang W.-J. [2 ]
Liu J.-H. [1 ]
机构：
[1] School of Automobile, Chang'an University, Xi'an, 710064, Shaanxi
[2] Shanxi Transportation Research Institute, Taiyuan, 030006, Shanxi
来源：
Zhongguo Gonglu Xuebao/China Journal of Highway and Transport | 2019年 / 32卷 / 05期
关键词：
Automobile engineering; Fuel cycle; Hydrogen fuel cell; Hydrogen production; Life cycle assessment; Toyota Mirai vehicle;
D O I：
10.19721/j.cnki.1001-7372.2019.05.017
中图分类号：
学科分类号：
摘要：
The current industrial consensus is that the development of hydrogen fuel cell vehicles will be an important direction in the future of new-energy vehicles. Therefore, the impact of four hydrogen production schemes for hydrogen fuel cell vehicles with regard to the resources, energy, and environment was evaluated in this study. For this, a mathematical model was established to evaluate the fuel cycle of hydrogen fuel cell vehicles and the life cycle of the four schemes. Toyota Mirai, which currently represents the most advanced level of hydrogen fuel cell vehicles, was considered as the evaluation object, and the basic database of Gabi software was utilized to evaluate its life cycle. Simultaneously, the life cycle energy consumption and emissions of the following four hydrogen production schemes were quantitatively calculated: catalytic reforming of methane, catalytic cracking of methanol, water electrolysis, and ammonia cracking. Finally, considering the power structure as the key factor, a scenario simulation was conducted on the water electrolysis scheme, and it was compared with the other three schemes. The evaluation results show that the water electrolysis scheme has the greatest influence on mineral resource consumption, fossil energy consumption, and environmental impact. Catalytic cracking of methanol has the lowest mineral resource and fossil energy consumptions, which are only 2% and 3% those of the electrolytic water method, respectively. The environmental impact of methane catalytic reforming is the lowest, which is only 1.6% that of the electrolysis scheme. Scenario simulation results show that the water electrolysis scheme has the most significant environmental impact among the four hydrogen production schemes when the coal-electricity ratio is reduced to 41.6%. However, the environmental impact is minimal under the condition of single clean energy generation. Based on China's resource endowment, it is impossible to realize hydroelectric power generation in an all-round manner. Therefore, breakthroughs to improve the energy efficiency and to develop key technologies for water electrolysis are necessary to transform it into a feasible scheme for large-scale hydrogen production in the future. © 2019, Editorial Department of China Journal of Highway and Transport. All right reserved.
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页码：172 / 180
页数：8
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