Weihong Power won the "2018 China Good Materials - New Energy Award for Most Innovation"
During the meeting, Weihong Power won the “2018 China Good Materials – New Energy Most Innovative Award†from the Organizing Committee. The award is based on the big data and news information of the new energy industry, combined with the review opinions of more than 100 industry experts and the professional users of the new energy industry, and has been selected for several months.
Power battery system is still the focus of the industry
At this stage, for China's new energy auto industry, there is a continuous "ice and fire" contest. On the one hand, the market that has been stimulated has grown sharply, and production and sales have been climbing. On the one hand, the situation of stifling chaos continues, and the corner of the industry chain is shuffled. The new energy automobile industry is surging, and where is the enterprise in the industrial chain? Especially the power battery system as the "heart" of new energy vehicles has become the focus of everyone's attention.
During the meeting, many experts and representatives mentioned that the energy density, safety performance and long life are still the most critical issues in the development of the industry. Among them, the director of the National 863 Electric Vehicle Major Special Power Battery Test Center, Prince Dong. This has made a profound analysis.
The development of new energy vehicles, safety is inseparable
Director Wang said that the future requirements of new energy vehicles are high security, easy to produce, long life and low cost, and safety is always the first. The development of valuable electric vehicle products is a matter of the entire industrial chain. It requires the coordinated development of vehicle manufacturers and power battery companies to promote the development of the new energy vehicle industry through new business models. For the whole vehicle enterprise, it is necessary to reduce the driving energy consumption, improve the average efficiency of the driving system and increase the driving mileage through the lightweight level of the vehicle body; for the power battery enterprise, by improving and improving the materials, battery structure, power battery combination and other technologies To increase the energy density of the power battery.
Director Wang also emphasized that the design of the power storage system needs innovation, rather than the simple integration. The vehicle manufacturers should face the difficulties together with the power battery manufacturers, solve the problem of integrated design of the power battery system and the power car, and solve the problems of the weight density, volume energy density, discharge capacity and safety of the power battery system. It is necessary to put the safety of power batteries in the first place, and also to strengthen research on power battery recycling technology.
2018 China New Energy Automobile Industry Summit and the 5th China Power Battery Conference
The issues of public concern and discussion by industry experts such as Director Wang are also the focus of technology development and product production that Weihong Power has been insisting since its establishment, that is, how to improve the energy density of batteries under the premise of maintaining high safety and long life. The persistence of technology is also an important reason why Weihong can win the “Most Innovative†award.
Adhere to technology and material innovation
The intensity of technological innovation determines the performance, efficiency and stability of power battery equipment. It can be said that how far the power battery can go and how well it can go is closely related to the technological innovation of the power battery system.
At the beginning of the establishment of Weihong Power, we adhered to the technical route of “fast charging, long life and high safetyâ€. It is well known that the micro-macro power battery can be charged in 10-15 minutes and can achieve the same life as the whole vehicle. Micro-Phase's first-generation LpTO fast-charge battery passed the in-depth test of WMG Laboratories of Warwick University in the world for more than one year in 2015. The capacity was only attenuated by 10% after 11,000 charge and discharge cycles.
2018 China's most innovative materials for good materials
In addition, micro-macro has also achieved fruitful results in the research and development of battery energy density. At present, the micro-scale pilot-grade battery cell has a specific energy density of 270 Wh/kg, which is verified by an authoritative third-party testing center and has a high temperature cycle of 45 degrees Celsius. More than 1000 times, and four safety tests were passed at a high security level. Micro-macro's latest laboratory-grade 300 Wh/kg energy density battery has also made breakthroughs, with excellent performance in terms of life and safety performance.
In order to solve the problem of high energy density power battery safety, Micro Macro has also innovated in material technology, including high safety high energy density cathode material, high temperature resistant aramid diaphragm technology, and non-combustion electrolyte. Among them, the high temperature resistant membrane has a small shrinkage rate under high temperature conditions, and the shrinkage rate is only 1% when baked at a high temperature of 300 ° C for one hour. Aramid diaphragms have a significant effect on improving the safety of needle and hot box testing, and are a guarantee for the safety of high energy density batteries. At the same time, experiments have shown that the steam developed by Weihong does not burn like the ordinary electrolyte, which effectively improves the safety of the lithium battery.
As the "heart" of new energy vehicles, the progress of power batteries has made the rapid growth of new energy vehicles, and also determines the pace of marketization of new energy vehicles in the future. Weihong Power will continue to inject innovation into this “heart†to inject a steady stream of power to make new energy vehicles go faster, farther and safer.
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