商务英语导论BEV

,BEV,目录,CONTENTS,Electric Vehicle,Battery Electric Vehicle,Development Prospect,Examples,01,电动汽车,Electric Vehicle,电动汽车是至少以一种动力源为车载电源，全部或部分由电机驱动，符合道路交通安全法规的汽车。,Fuel Cell Electric Vehicle,以车载燃料电池为动力的燃料电池电动汽车,EV,Battery Electric Vehicle,以车载蓄电池为动力的蓄电池电动汽车,Hybrid Electric Vehicle,以车载多能源为动力的混合动力电动汽车,Definition and Classification of EV,History of EV,As global environmental issues and energy issues have received increasing attention from governments around the world, pollution regulations in major countries have become stricter, and oil prices continue to rise, people have turned to energy-saving and environment-friendly electric vehicles.,BACKGROUND,发展背景,Background of EV,02,纯电动汽车,Battery Electric Vehicle,The Definition of BEV,纯电动汽车(Battery Electric Vehicle ,简称BEV)是指以车载电源为动力，用电机驱动车轮行驶，符合道路交通、安全法规各项要求的车辆。,纯电动汽车的定义,Explanation of the Definition,纯电动汽车，可以说，它是完全由可充电电池(如铅酸电池、镍镉电池、镍氢电池或锂离子电池)提供动力源的汽车。或者说，纯电动汽车是单纯用蓄电池作为驱动能源的汽车。,铅酸蓄电池 Lead-acid Battery,锂电池 Lithium Battery,镍氢蓄电池 nickel-metal hydride battery,钠硫蓄电池 sodium- solphur,按储能装置分类 其中，铅酸蓄电池技术较成熟，价格也较便宜，但其性能和寿命要差些。其余几类均在研究改进，其性能都比铅酸蓄电池要好许多，但目前价格也较贵，随着工艺技术的成熟及批量的生产，其性价比也必有较大提高。,Classification of BEV,永磁无刷电动机 Permanent Magnet Brushless Motor,开关磁阻电动机 Switched Reluctance Motor,交流电动机 Alternating Current Motor,直流电动机 Direct-current Motor,Classification by Driving Motor,电动公交车,电动轿车,Classification by Use,优点,节能，不消耗石油。,环保，无污染，噪声和振动小。,各部件的布置具有很大的灵活性。,能量效率高，多样化。,结构简单，生产工艺相对成熟，维修方便。,Advantages of BEV,蓄电池外形尺寸和重量大,蓄电池充电时间长,蓄电池价格高,蓄电池寿命短,Disadvantages of BEV,03,发展现状及前景,Current Situation,国外,中国,Development Status and Prospect of BEV,04,实例,Examples,比亚迪e6 纯电动汽车,中通 纯电动客车,日产Leaf 纯电动汽车,Examples of BEV,Examples of BEV,THANK YOU!,