Current situation and development trend of electric vehicles

After the three global oil crises broke out in the 1970s, various multinational automobile companies began to develop various types of electric vehicles. After the five-year plans of the eighth, ninth and fifteenth,

After the three global oil crises broke out in the 1970s, various multinational automobile companies began to develop various types of electric vehicles. Our country after "five-year", "five-year", "15" three five-year plans, on the development of electric cars special invested a lot of manpower and material resources and financial resources, and obtained a series of scientific research, but, so far, these research results can be converted into real products, and realize the industrialization production of the project is not much. Big foreign car companies have invested far more capital and manpower than China's, and few mass-produced electric cars have been produced. With the deepening of the global energy crisis, the increasing depletion of oil resources and the increasing harm of air pollution and global temperature rise, governments and automobile enterprises all over the world generally recognize that energy conservation and emission reduction is the main direction of future automotive technology development, and the development of electric vehicles will be the best way to solve these two technical difficulties. The following will introduce the current situation and development trend of electric vehicles for you.

I. current situation of electric vehicles

China's electric cars in the 1990s before the basic are dependent on imports, such as golf carts, sightseeing cars and so on. Since 1992, China has its own development and production of electric vehicle products, through more than ten years of development, has initially formed to Beijing new day, zhejiang luyuan and a large number of electric vehicle manufacturers with strength and scale, but also formed jiangsu xishan, zhejiang, tianjin three industrial clusters. These enterprises have now launched in the domestic market are: electric motorcycle, electric cable car, electric golf car, electric sightseeing car, electric car, electric truck, electric rescue car, electric walking (transport) car, electric scooter, electric bicycle, family life car and so on.

From 2010 to 2014, China's electric bicycle production has experienced more than a decade of development. The domestic electric vehicle industry has grown rapidly, gradually from weak to strong, and stands out among numerous industries in China. At present, China's electric vehicle market is mainly composed of electric mopeds, electric motorcycles and electric bicycles, and the first two categories account for 60% of the market share.

Second, the development trend of electric vehicles

(1) based on the current domestic market price, the price ratio of various power supply technologies can be roughly calculated. Power grid power supply: diesel engine power supply: lead acid battery power supply: nickel hydrogen battery power supply: lithium ion battery power supply: fuel cell power supply = 1:6:6:19.2:20.4:80. This reflects from one side the distance of various power supply modes to the electric vehicle market. Of course, these ratios will change dramatically as oil prices rise and battery technology improves.

(2) lead-acid batteries are still the main power cell in the low-end electric vehicle market, as their cost of power is roughly equal to that of diesel engines. Lithium phosphate battery technology has made rapid progress. It is most likely to become the competitor of lead-acid battery and the main power battery in high-end electric vehicle market.

(3) as hybrid electric vehicles only need 1/10 of the power battery capacity of pure electric vehicles, and the vehicle has a sex/price ratio close to the market, it will still be the main type of electric vehicles to achieve industrialization in the near future. Considering China's national conditions, we should still vigorously promote the use of hybrid buses, further reduce manufacturing costs, reduce fuel consumption and emissions;

(4) after the lithium ion battery performance/price ratio is further improved, external plug-in hybrid electric vehicle (PHEV) is expected to become an ideal passenger car for office workers. It can greatly reduce fuel consumption and emissions.

Three, electric cars and our life

1. Concept

If there is one word to describe the current domestic new energy vehicle market, it is "mania". For the future of new energy vehicles, although the current or some people think that it is not too realistic, but it is still fast towards every family. If electric vehicles want to develop in the long term, the charging problem must be solved. It is impossible for individual users to build quick charging piles, which makes some consumers more dependent on public charging devices.

2. Charging problem

It is common for gasoline cars to occupy charging Spaces. At present, parking Spaces in almost every city are very limited. Therefore, both from the perspective of people's demand and from the perspective of the operation manager of the parking lot, they all hope that the parking lot can accommodate as many cars as possible. So, in a sea of cars, a few empty charging spots seem out of place. The main reason is that the current mode of profit sharing between charging pile operators and parking lot property companies needs to be improved. Most of today's operating company cooperation with property management company limited to charge pile in terms of electricity and the service fee for parking, property company didn't get substantial profits from charging, thus to guarantee the normal operation, the electric vehicle charging nor is there any preferential policy, this will cause the high cost to use public charging pile. But I think this problem can be solved.

The page contains the contents of the machine translation.