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中国语境下纯电动微型车全生命周期碳排放

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为回答中国语境下纯电动微型车能够减碳多少,建立了针对中国语境下的纯电动微型车的全生命周期碳排放的评估模型.基于一组1 030车·天 的纯电动微型车的典型出行数据,使用了与交通有关的温室气体、排放及能耗的全生命周期碳排放核算模型——GREET,该模型包括:制造环节(CTG)、能源周期(WTW)和回收环节(GTC).结果表明:中国大陆纯电动微型车的日均出行里程37.2 km,73.1%的日出行里程低于50.0 km;在2021年平均电网、采用新欧洲驾驶循环(NEDC)的条件下,纯电动微型车全生命周期CO2当量碳排放为26.8 t,比同级别内燃机汽车低约33%.其中的72%的排放来自纯电动微型车WTW环节,其CO2当量碳排放为19.3 t.电网清洁化程度的提升和动力电池回收比例的增加,将有助于进一步降低纯电动微型车的碳排放.
Life-cycle carbon emissions of mini-electric vehicles in China's text
A life-cycle carbon emission assessment model was developed for mini-electric vehicles in the Chinese context to answer how much carbon reduction would be achieved by mini-electric vehicles in China's context.The research used the GREET(the Greenhouse Gases,Regulated Emissions,and Energy Use in Transportation)model,which including:the cradle-to-gate(CTG),the energy cycle(or well-to-wheel,WTW),and the gate-to-cradle(GTC),based on a typical travel data of 1 030 vehicle·days from mini-electric vehicles.The results show that the mini-electric vehicles'average daily travel distance is 37.2 km,and the daily travel mileage of 73.1%days are less than 50.0 km.With average grid conditions in 2021,the life-cycle carbon emissions(CO2 equivalent)of mini-electric vehicles are 26.8 t per vehicle with the New European Driving Cycle(NEDC)driving cycle,which is about 33%lower than that of internal combustion engine vehicles in the same class.The WTW carbon emission(CO2 equivalent)of a mini-electric vehicle is 19.3 t,accounting for 72%of life-cycle emissions.The improvement of power-grid cleanliness and the increase in the power-battery recycling rate of will help to further reduce the carbon emission by pure electric mini vehicles.

mini-electric vehicleslife-cycle carbon emissiontravel patternGREET modelcradle-to-gate(CTG)well-to-wheel(WTW)grave-to-cradle(GTC)

郝旭、刘成荫、姜禹彤、王贺武、邹岱江、钟锐恒、戴锋

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北京科技大学 机械工程学院,北京 100083,中国

清华大学,智能绿色车辆与交通全国重点实验室(原汽车安全与节能国家重点实验室),北京 100084,中国

四川新能源汽车创新中心有限公司,四川宜宾 644000,中国

纯电动微型车 全生命周期碳排放 出行特征 GREET模型 制造环节(CTG) 能源周期(WTW) 回收环节(GTC)

中国科协2022年度科技智库青年人才计划汽车安全与节能国家重点实验室开放基金广西新能源汽车实验室专项

20220615ZZ07110042KFY2220桂科AA23062086

2024

10.3969/j.issn.1674-8484.2024.01.005

汽车安全与节能学报
清华大学

汽车安全与节能学报

CSTPCD北大核心
影响因子：0.748
ISSN：1676-8484
年,卷(期)：2024.15(1)
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