混合动力汽车氨排放特性及减氨效应评估

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Abstract World Light Vehicle Test Cycle (WLTC) and Real Drive Emission (RDE) tests were conducted on hybrid vehicles, and compared the ammonia reduction benefits of hybrid vehicles relative to conventional fuel vehicles. It also analyzed the differences in ammonia emission characteristics obtained from different hybrid technology routes and different battery charge modes. The study found that hybrid technology has a certain effect on reducing ammonia emissions. Under the same fuel consumption, the use of non-plug-in hybrid technology can reduce ammonia emissions by 56.07%, while the use of plug-in hybrid technology can reduce ammonia emissions by 94.43%. The timing of the peak ammonia emissions differs between plug-in hybrid vehicles and non-plug-in hybrid vehicles. In the mode of increasing battery charge, the vehicles need to burn more fuel to charge the battery, resulting in a smaller excess air coefficient and a stronger catalyst reduction environment, which leads to higher ammonia emissions compared to the mode of consuming battery charge.

Key words： ammonia emissions hybrid electric vehicle three-way catalys battery status instantaneous emissions

Received: 18 September 2023

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X511

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	YIN Dai-lin
	LUO Jia-xin
	ZHANG Meng-zhu
	WEN Yi

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YIN Dai-lin,LUO Jia-xin,ZHANG Meng-zhu等. Evaluation of ammonia emission characteristics and ammonia reduction effect in hybrid electric vehicles[J]. CHINA ENVIRONMENTAL SCIENCECE, 2024, 44(4): 1975-1980.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2024/V44/I4/1975

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