The era of electric cars really come? Recently, the American electric car manufacturer Tesla CEO Elon Musk performed the "first show" in China, and electric cars were once again attracting attention. China is the world’s largest auto market and there is no doubt that the growth potential in the electric vehicle market cannot be ignored. In 2014, Tesla’s sales target was 30,000 and the target in the Chinese market was 5,000. Musk was full of confidence.
Battery is very important for electric vehicles. Currently, in the global automotive battery market, the proportion of the Chinese market is about 4%. It is predicted that this figure will increase to 20% by 2020. Under a good situation, domestic and international battery manufacturers have laid out one after another and a battle has already begun.
The rapid development of spring <br> <br> recent years, with rising industrial power battery technology, electric vehicle industry has developed rapidly, with Shenzhen BYD Auto, led by a large number of own-brand car manufacturers, have launched their own new energy vehicles Products focus on pure electric vehicles and plug-in hybrid vehicles.
Good policy is an important reason. In the "Twelfth Five-Year Plan", the state clearly put forward the need to strengthen the development of the new energy automotive industry. The State Council has also promulgated the "Energy-saving and new-energy automotive industry development plan (2012-2020)". It is planned that by 2015, the cumulative production and sales volume of China's pure electric vehicles and plug-in hybrid vehicles will reach 500,000; by 2020, The production capacity of pure electric vehicles and plug-in hybrid vehicles reached 2 million, and the cumulative production and sales volume exceeded 5 million.
In addition to the central government, local governments at all levels have also issued corresponding incentive policies.
Relevant person in charge of the Tianneng Group, a domestic battery manufacturer, told the China Economic Times reporter that since 2014, Hangzhou has stepped up the construction of the charging and switching station in the urban area, and has strived to achieve 5 kilometers of urban areas and 10 kilometers of suburban charging cycles. Beijing, on the other hand, compresses the annual deployment of minibuses and increases the proportion of new energy vehicles year by year. Shanghai is promoting the development of distributed energy supply systems and supporting the development and application of new energy vehicles. The electric vehicle industry has ushered in the spring of rapid development.
Today, China is vigorously promoting the construction of supporting facilities for electric vehicles. Many cities have issued their own plans for the construction of their charging rings, and they have offered various kinds of discounts for electric cars and even licensing on electric cars in the country’s new energy vehicle subsidy policy.
In addition, as an emerging industry, electric vehicles and power batteries and other related industries also enjoy various types of investment incentives. Therefore, more and more companies investing in electric vehicles in recent years, especially in the field of low-speed electric vehicles, due to mature technology, but also benefit from the rapid development of urbanization in China, the market demand is strong, it is showing a flourishing market situation.
PK fierce <br> <br> domestic and foreign manufacturers for electric cars, the importance of the battery is self-evident, and some even regarded as the battery electric car the "heart" and therefore domestic and international battery manufacturers have entered the field of electric vehicles .
Samsung SDI regards the Chinese market as one of the most important markets in the global automotive battery market and actively explores the replacement market for traditional lead-acid batteries. It will actively respond to the Chinese market with batteries with the highest energy density and best performance. However, in the domestic enterprises, Tianneng Group accounts for 51% of the low-speed electric vehicles, and cooperates with more than 100 domestic companies such as Chery and SAIC.
"In fact, our battery is not worse than the performance of foreign batteries." According to the person in charge of the aforementioned Tianneng Group, Tianneng's electric vehicles are divided into two categories: lead-carbon batteries and lead-acid batteries. Lead-carbon batteries have been officially put into use at the end of 2013. Compared with traditional lead-acid batteries, Tianneng’s lead-carbon battery charging speed has been shortened from 8-10 hours for ordinary batteries to 3 hours. The fastest one-hour battery can be fully charged; The driving mileage has been greatly increased compared to traditional lead-acid batteries and has been increased to more than 200 kilometers. More importantly, the battery life is greatly extended, and its cycle charge and discharge durability is increased from less than 40,000 cycles of conventional batteries to over 100,000 cycles.
In the field of lithium-ion power batteries, Tianneng lithium iron phosphate battery developed and produced by the company also performed excellently in areas such as charge rate, discharge rate, acceleration performance, charging time, and safety performance, especially at a low temperature of -20 degrees Celsius. the above.
Recently, Tianneng Battery has introduced two new products: the second-generation rare earth silica gel battery and the nano-modified 6-DZM-12 battery. Tianneng's new nano-rare-earth silica gel battery adopts a self-developed green new grid alloy technology, colloidal electrolyte technology and a new battery curing process, which completely changes the traditional product's technical formula and manufacturing process. The application of the new colloidal battery fluid technology realizes the intelligent control of the battery and effectively solves the problems of short cycle life of the power battery, short duration of continuous charging of a single charge, low specific energy, and early capacity attenuation.
However, domestic batteries still have problems such as increasing the cruising range of batteries, shortening the charging time, and improving the high-power discharge capability of lithium-ion power batteries, which also restricts the development of the electric battery industry.
At the same time, the current price of electric vehicles is still high, and supporting facilities are still incomplete. Whether electric vehicles can be used on a large scale is still a problem.
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