Electric vehicles -電動汽車課件

1、Electric VehiclesuIntroductionuDevelopmentuVehicle typesuAdvantages of EVsuFuturelThe first electric car was built in 1831, but the real practical electric car was invented by a Scottish in 1934 , he is German Bott. Electric vehicles：propelled by an electric motor powered by rechargeable battery pac

2、ks. 1. IntroductionNissan Leaf aan Amsterdamse laadpaall In the present, more and more concerns have been paid to the world energy conservation and environmental protection, therefore, the development of electric vehicles are speeding up.2. DevelopmentlElectric vehicles are clean and easy to handle.

3、Electric driving is the leading beacon of future vehicle industry.The objective of the federal government is to have one million electric cars running in the streets and lanes of Germany by 2020.Volkswagen: Zero emission Up! series will be released in 2013! A battery electric vehicle (BEV) is a type

4、 of electric vehicle (EV) that uses chemical energy stored in rechargeable battery packs. BEVs use electric motors and motor controllers instead of internal combustion engines (ICEs) for propulsion.3. Vehicle typesThe Nissan Leaf is the worlds top selling highway-capable all-electric car in history,

5、 with global sales of more than 62,000 units through April 2013. A HEV combines a conventional (usually fossil fuel-powered) powertrain with some form of electric propulsionPowered by Engine and Electric Motor Internal combustion engine uses alternative or conventional fuel Charged by regenerative b

6、raking and engine Allows smaller engine and better fuel economyFCEV is a type of hydrogen vehicle which uses a fuel cell to produce electricity, powering its on-board electric motor. Fuel cells in vehicles create electricity to power an electric motor using hydrogen and oxygen from the air. 3.4 Plug

7、-in hybrids Electric Vehicle A PHEV is a hybrid electric vehicle with rechargeable batteries that can be restored to full charge by connecting a plug to an external electric power source. 1. Energy efficient Electric motors convert 75% of the chemical energy from the batteries to power, the wheels-i

8、nternal combustion engines(ICEs) only convert 20% of the energy stored in gasoline.2. Environment friendly Electricity from nuclear-, hydro-, solar- , or wind-powered causes no air pollutants.3. Performance benefits Electric motors provide quiet, smooth operation and stronger acceleration and require less maintenance than ICEs. Reduce energy dependence. Electricity is domestic energy source.4. Advantages of Electric Vehicles5. Applications Improved long