Zhuhai Yintong Lithium Battery

Zhuhai Yintong will launch a second-generation pure electric vehicle and a third-generation pure electric vehicle this year. The third-generation pure electric vehicle uses nano-sized lithium titanate as its material, but its weakness is also fatal—an ongoing milestone. The shorter Zhuhai electric car is not your pure electric bus production company Yintong believes that it is not scientific to compare the prices of pure electric buses and LNG buses. After all, the natural gas consumed by LNG buses is non-renewable energy and it is in use. China can't do zero emissions like pure electric buses. There are substantial differences between the two. "The same pure electric vehicle, Yintong sold to Zhuhai is 1.55 million yuan, sold to other cities is 1.8 million yuan, pure electric bus is the most expensive to reach 240-260 million yuan, Zhuhai's price has been low to medium level." Sun Guohua, president of Yintong Investment Holding Group Co., Ltd., said that from the perspective of enterprises, prices will naturally decrease after large-scale production.

It is understood that Yintong has created an industrial chain from batteries, electronic control, and electric motors to complete vehicles. The three core components in the front are all designed and integrated by Yintong. However, they have not yet obtained the qualification of the entire vehicle. , also need to cooperate with other auto plants. Sun Guohua said that he hopes that with the help and promotion of the government, he can quickly solve the problem of vehicle production qualification, which will help reduce the price of pure electric vehicles.

Pure electric bus technology is mature. Yintong disagrees with the “immature technology of pure electric vehicles” and believes that the technology of pure electric buses is mature and different driving ranges can be designed according to the length of bus lines. The current driving range of pure electric vehicles can reach more than 300 kilometers.

However, He Yongxin, chief of the Zhuhai Development and Reform Bureau, said that the current method to increase driving mileage is to increase the number of batteries on the electric buses. The more the battery has more risk factors, the greater the weight of the car is also not conducive to the safety of the car. He believes that the technical breakthrough of the battery is very important. Only by increasing the energy density ratio of the battery and enhancing its ability to store electricity can it adapt to the market development. But so far, this is still a big problem. Some experts also proposed to build a replacement power center to remove the battery from a pure electric bus. When the car is not running enough, it only needs to replace the battery. It is not necessary to charge the battery at the charging station, but there is no uniform standard for the battery model. Therefore, it is also difficult to implement.

The second-generation electric vehicle, the upgraded second-generation electric vehicle, executive vice president of Yintong Investment Holdings Group, Jianhua Jian, told reporters that the upcoming second-generation pure electric vehicle has been reformed in terms of battery structure compared with the purely electric buses currently in use.

It is understood that the materials used in the two pure electric vehicles are lithium iron phosphate batteries, but after converting the original laminated battery into a cylindrical shape, the energy density ratio of the latter has been improved with the same weight and volume. The current driving range of pure electric vehicles is only 160 kilometers, which is far from meeting the average daily demand of 300 kilometers for buses. The second generation of pure electric vehicles has an average driving range of 250 kilometers, with a maximum range of 300 kilometers.

Qi Jianhua said that although the cost of batteries has increased after the improvement, the tentative pricing for the new pure electric buses remains unchanged.

Lithium titanate battery can be done in 6 minutes. It is reported that Yintong is charging for a long time for lithium iron phosphate battery, and is currently pursuing the launch of the third-generation pure electric vehicle --- lithium titanate battery car.

Miao Jianhua said that lithium titanate battery material structure is more stable and safe, and is more suitable for large rate charge and discharge in a short time. If the charging station is equipped with complete facilities, lithium titanate battery (monomer) can theoretically be charged for 6 minutes. Fully charged; Lithium titanate batteries can reach 20,000 to 30,000 times compared to lithium iron phosphate batteries with cycle times of only about 2500. In addition, lithium titanate batteries are used in energy storage power stations, in addition to having regular peak shaving. Apart from its role, it can also be frequency modulated.

Last year, Yintong acquired American ATi Nanotechnology Co., Ltd. and became the only Chinese company with lithium titanate battery production line and core technology. Ju Jianhua said: "In the future development of pure electric vehicles, we must use nano-sized lithium titanate as a material. Yintong will be the first to introduce a hollow-ring lithium titanate storage battery in June this year. Lithium titanate power batteries will be introduced before the end of the year. ."

Despite the obvious advantages of lithium titanate batteries, Yinhong, vice president of the engineering department of Yintong New Energy Co., Ltd. frankly stated that the energy density of lithium titanate batteries is only 2/3 of that of lithium iron phosphate batteries, which means that the driving mileage is higher than the current mileage. Pure electric buses are shorter. Zhai Jianhua said that this is the next difficulty that needs to be overcome. It is necessary to increase the energy density ratio of lithium titanate batteries by technology research and development to the same level as that of lithium iron phosphate batteries, and to ensure that the cost is not higher than or even lower than Existing pure electric vehicles.