发表时间： 2019-04-17 18:32:16
The domestic pure electric vehicle manufacturer Weilai Automobile participated in the Shanghai Auto Show for the second time. Different from the previous one, Wei Lai not only released the latest car product preview version of ET Preview, but also showed the NIO Power service system on site, and for the first time disclosed Weilai in the three electric (motor, battery, electricity) Prospective technology in the field of control - 220kW permanent magnet synchronous dual electric drive system and carbon fiber housing battery pack.
On April 16th, Huang Chendong, vice president of Weixin Power Engineering, accepted an interview with the reporter (www.thepaper.cn). Huang Chendong said that in the research and development of the three power companies, the cost of the battery is the bottleneck of the entire industry, which actually restricts the development of the electric vehicle industry. How to reduce the cost of the battery and improve the safety of the battery is also a topic that the research and development department of Weilai is investing heavily.
Huang Chendong said that in the battery pack, the biggest role of the carbon fiber shell is to reduce the weight, which can reduce the weight of about 50 kg, so that the power density of the battery pack is increased. As the weight of the battery pack is reduced, the speed can be increased by about 7%. .
When the 220kW permanent magnet synchronous dual electric drive system and carbon fiber housing battery pack can be commercialized, Huang Chendong pointed out that this technology belongs to technology reserve and forward-looking technology, and aims to serve the next generation products in the next two to three years. "The commercialization of new technologies requires not only the advancement of technology, but also the reality. Premature use of new technologies will increase costs, and we hope to improve system efficiency as a whole," he said.
At this year's auto show, Wei Lai also demonstrated a high-performance intelligent electric power platform in the core technology of Sanpower. It combines the high-efficiency NCM811 nickel-cobalt-manganese battery pack technology with the high-energy density NCM811 nickel-cobalt-manganese battery pack technology to help the NE6 production range of the 510km NEDC cruising range.
(Article source: Sohu)