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Energy and environmental life-cycle assessment of passenger car electrification based on Beijing driving patterns 被引量:4

Energy and environmental life-cycle assessment of passenger car electrification based on Beijing driving patterns
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摘要 This paper examines the energy and environmental benefits within the whole life cycle shifting from traditional gasoline vehicles to electrified advanced vehicles under regional real-world driving behaviors. The advance vehicles focus on family passenger cars and include battery electric vehicles (BEVs), plug-in hybrid electric vehicles (PHEVs), and hybrid electric vehicles (HEVs). The GREET (greenhouse gases, regulated emissions, and energy use in transportation) model is adopted with regional circumstances modifications, especially the UF (utility factors) of PHEVs. The results show that the electrified vehicles offer great benefits concerning energy consumption, greenhouse gas (GHG) emissions as well as urban Particulate Matter 2,5 (PMz.s) emissions. Compared to conventional gasoline vehicles, the life-cycle total energy reduction for advance vehicles is 51% to 57%. There is little difference on energy reduction among the HEVs, PHEVs and BEVs, with the energy mix shifting from petroleum to coal for the stronger electrification. The reductions of GHG emissions are 57% for HEV, 54% to 48% for PHEVs with 10 miles to 40 miles CD range, and 40% for BEV. The life-cycle and local PM2.5 emissions are discussed separately. The life-cycle PM2.5 emissions increase with vehicle electrification and reach a maximum for the BEV which are 5% higher than the conventional vehicle (CV). However, electric vehicles can shift PM2.5 emissions from vehicle operation to upstream operations and help mitigate PM2.5 emissions in urban areas. The local emissions of PHEVs and BEVs can be reduced by 37% to 81% and 100% compared with CVs.
出处 《Science China(Technological Sciences)》 SCIE EI CAS CSCD 2015年第4期659-668,共10页 中国科学(技术科学英文版)
基金 The Ministry of Science and Technology of China(Grant Nos.2011DFA60650,2012DFA81190,2014DFG71590,2013BAG06B02 and 2013BAG06B04)
关键词 electric vehicle greenhouse gas emissions PM2.5 emissions Beijing driving pattern 生命周期评估 能源消耗 环境效益 电气化 乘用车 混合动力电动汽车 温室气体排放量 驾驶模式
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