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Effect of hybrid system battery performance on determining CO_2 emissions of hybrid electric vehicles in real-world conditions

机译：混合动力电池性能对确定现实条件下混合动力汽车CO_2排放的影响

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摘要

Hybrid electric vehicles (HEVs) can potentially reduce vehicle CO_2 emissions by using recuperated kinetic vehicle energy stored as electric energy in a hybrid system battery (HSB). HSB performance affects the individual net HEV CO_2 emissions for a given driving pattern, which is considered to be equivalent to unchanged net energy content in the HSB. The present study investigates the influence of HSB performance on the statutory correction procedure used to determine HEV CO_2 emissions in Europe based on chassis dynamometer measurements with three identical in-use examples of a full HEV model featuring different mileages. Statutory and real-world driving cycles and full electric vehicle operation modes have been considered. The main observation is that the selected HEVs can only use 67-80% of the charge provided to the HSB, which distorts the outcomes of the statutory correction procedure that does not consider such irreversibility. CO_2 emissions corrected according to this procedure underestimate the true net CO_2 emissions of one HEV by approximately 13% in real-world urban driving. The correct CO_2 emissions are only reproduced when considering the HSB performance in this driving pattern. The statutory procedure for correcting HEV CO_2 emissions should, therefore, be adapted.
机译：混合动力电动汽车（HEV）可以通过使用混合动力汽车能量作为电能存储在混合动力系统电池（HSB）中来减少车辆的CO_2排放。对于给定的驾驶模式，HSB性能会影响单个HEV净CO_2净排放，这被认为等同于HSB中不变的净能量含量。本研究基于底盘测功机的测量结果，研究了HSB性能对用于确定欧洲HEV CO_2排放量的法定修正程序的影响，并使用了三个相同的使用示例，说明了不同里程的完整HEV模型。已经考虑了法定和现实的驾驶循环以及全电动汽车的运行模式。主要观察结果是，所选的混合动力汽车只能使用提供给HSB的67％至80％的费用，这扭曲了不考虑这种不可逆性的法定纠正程序的结果。根据此程序校正的CO_2排放量在现实世界的城市驾驶中低估了一辆混合动力汽车的真实CO_2净排放量约13％。仅当考虑此驾驶模式中的HSB性能时，才能复制正确的CO_2排放量。因此，应采用纠正HEV CO_2排放的法定程序。

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  • 来源
    《Energy Policy》 |2010年第11期|p.6919-6925|共7页
  • 作者

    Robert Alvarez; Peter Schlienger; Martin Weilenmann;

  • 作者单位

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Internal Combustion Engines, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland;

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Internal Combustion Engines, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland;

    Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Internal Combustion Engines, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hybrid electric vehicle; CO_2 emissions; real-world;

    机译：混合动力汽车二氧化碳排放量;真实世界;

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