3 Phase Electric Motors
How far away from us electric cars? Four major bottleneck to be resolved
In late November, Premier Wen Jiabao inspected the CAS Shanghai Institute of Ceramics, development of electric vehicles has set three conditions, the thrust is to develop electric cars, and especially in the public transport industry urban rent, sanitation and other developed countries. sony vgp-bps9 battery For electric cars, and perhaps many readers do not understand very well, then the electric car from our real life exactly how far?
Industry view: electric cars is still quite far from us
At present, China’s car market, rechargeable laptop battery sales of hybrid electric vehicle is one category, FAW hybrid Toyota Prius, Honda Civic Hybrid and Lexus hybrid models next year edition Camry Hybrid cars will be introduced in China given hybrid cars are slowly emerging.
And pure electric vehicles currently there is no domestic market, basically still at the stage of concept-car, and now many manufacturers are also developing a pure electric vehicles that make greater efforts in the late hybrids and pure electric vehicles, dell inspiron 6400 battery the future development of what would happen? Reporter interviewed a number of professional media professionals.
“Sedan intelligence” chief editor Li Geng
The difficulty of hybrid spread primarily on price, in fact, higher maintenance costs, the popularity of electric vehicles is the difficulty of the burden of convenience, there is a battery electric vehicle driving range is very short. Charge is also a difficulty matching charging station will have a very long time. The current electric cars is only suitable for short range transport, smaller cars. The hybrid is still more for the large displacement model.
Fuel Cell Institute of Tongji University, Professor Xu Si Chuan Engines
The electric cars will eventually not be able to replace the traditional model? I think the future direction of development are: electric cars is very likely that the second family car, because the first car is still dominated by traditional fuels, such as a car,sony vgp-bps8 battery you can lead more comfortable and faster to meet the needs of the sedan over long distances. The second vehicle is used primarily in the city, within the complex conditions in City Road, select power a small electric car more efficient and fast.
Hybrid: At present, prices are still high
Two experienced professionals in the automotive world a different perspective to help us analyze the electric cars and hybrid vehicles, and the development prospects of the development process of any problems, which are also the car manufacturers face. Take December 1 new LS 600hL just listed it with a hybrid Lexus Lexus and the original 5.0-liter direct-injection gasoline V8 engine, but the price was 2.073 million yuan, is very expensive.
The portion of gasoline vehicles to hybrid cars and the transition to a pure electric car is a developing trend because the conditions of return are not yet complete cases, the hybrid is a good alternative and can be the types of alternatives to continue for long, because the hybrid can be used in models of large displacement, and these models are also more sustainable patterns. On the other hand, the automobile market of China in the sale or use in the development of hybrid technology hybrid is also different.
Toyota Prius, gasoline engine High engine power
This is a hybrid system, the electronic vehicle control device is a hub, which allows vehicles to use two types of gasoline engine and electric power system through a combination of serial and parallel form of the work. Toyota Prius to operate normally powered by gasoline engines to make decisions only in times of high load, such as start, acceleration, on the slopes, toshiba pa3191u-3brs battery the engine will not support. The car has a system for recovering energy from braking, deceleration or braking when the car sliding, the electric motor generator is used as a heat dissipation out of the initial kinetic energy of the power drive motor , battery charger, so that the battery is sufficient time status.
Honda Civic: gasoline engines Low engine power
Honda Civic Hybrid and the Prius, as gasoline engines and electric motors are based on mixed model Liaison vehicle powered by its electric motor works much the same, but the Toyota Prius and Honda Civic, there still technically different. Toyota Prius hybrid electric motor 50 kW, while the electric motor power of the Honda Civic Hybrid only 15 kilowatts. Therefore, the Toyota Prius can be called full hybrids, while the Honda Civic Hybrid may be referred to as mild hybrids.
Chery A5 engine fuel + electric
Chery A5 hybrid system uses a motor fuel, the additional electric motor mode. Chery A5/ISG start or low speed, the vehicle will rely on the engine when the vehicle speed increases (generally up to 40 km / h or more) or the need of hard phases of acceleration, the engine petrol to start and start the output power, while in the system of vehicle motion, the kinetic energy of the hybrid system will be converted into electrical energy and stored in batteries to prepare for the next use of driving at low speed .
Pure electric cars: four bottlenecks to solve
“Make the horse race but the horse does not eat, I am afraid that this ideal difficult to achieve in a short period of time, because the development of pure electric vehicles are subject to many constraints, but its prospects are . As bicycles electric current, do not walk on effort, very popular. The key in the battery electric vehicles over the iron batteries BYD current and manufacturers of hydrogen fuel cells, and now many manufacturers are being studied to see what kind of battery charging for sustainability high speed. If a day is really in reality, then the automobile industry will also open a new chapter of history.ibm fru 92p1141 battery Besides the batteries, the process of development of electric vehicles at present there are many notable places.
Question 1: What type of batteries used?
Electric vehicles is the battery must first solve the problem, we have mobile phones commonly used in nickel-hydride batteries, metal and lithium batteries can also be used in electric vehicles, but the nickel-metal hydride the ability of batteries to power small life low mileage, cost of lithium-ion battery is too high, the current BYD F3e used in battery electric vehicle is an iron battery power, this battery is safe inexpensive, high capacity advantages and disadvantages is the weight of too much. But what has been on the road F3e BYD Mercedes-Benz electric vehicles still a long road to mass production. After all, there is a uniform 40 km / h, the load is only 300 km away stamina, endurance under complex road mileage still to be verified, re-charge after the battery is also unknown lifetime .
Question 2: Electric car charging how long?
Most of charging electric vehicles as fuel, as the capacity of an ordinary car, the fuel tank of 50 liters to fill a fuel tank is between 5.6 minutes. The electric car charging time can not control in 5.6 minutes, it’s hard to say, electric car charging F3e BYD’s 10-minute charge of 70%.
Question 3: Where to find the charger plug?
Many people in the vehicles are parked in underground parking spaces or temporary residential parking where there is no plug accompanying costs. If you want to use when the parking fee will depend on our support structure. The service stations in the charging station is a good way, but the battery charge time should be protected, a parking fee and a half hours of electricity to open the case and not a penalty strong?
Question 4: Can old batteries for recycling?
We know that when electric bicycle battery failure or the number of charge cycles caused by too much storage capacity is insufficient, you can replace the battery. The remaining cells will be a general repair shop to handle, because the volume does not impact on the environment, but if an old electric car battery recycling and is a major project to address adverse damage to the environment, but also deviated from the original intent of the vehicles environmentally friendly electricity.
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