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decoding the birth of the "brics", cctv.com's "super factory" visits zeekr vmware's sandian intelligent manufacturing factory

2024-09-13

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"charge for 5 minutes, drive at high speed for 2 hours". just when many new energy vehicle owners are still anxious about recharging, the "second-generation bric battery" developed entirely by zeekr in august has exceeded everyone's imagination. the charging efficiency can be increased from 10% to 80% in just 10 and a half minutes, making it the world's fastest mass-produced power battery.

this lithium iron phosphate super battery, which has a charging speed faster than all mass-produced ternary lithium batteries, has attracted the attention of the entire industry. recently, cctv.com host chang ting and cctv.com's "super factory" column team visited the zeekr v-power three-electricity intelligent manufacturing factory in quzhou to explore the secrets behind the "second-generation brics battery". this visit was also the first time that the "super factory" column team visited a new energy three-electric enterprise.

energy core that charges for 5 minutes and provides 2 hours of high speed

the quzhou factory is one of the four major production bases of weirui, a subsidiary of zeekr intelligent technology, with a total area of ​​1,567 acres. it is the first three-electric "future factory" pilot enterprise in zhejiang province. both the second-generation bric battery and the world's leading 800v high-performance sic four-motor distributed electric drive were born here.

unlike general oems, zeekr has the production and manufacturing capabilities of battery cells based on its quzhou factory and has completed a comprehensive layout of the three-electric new energy vehicles. lu nan, the battery cell manufacturing director of the quzhou factory, said: "the manufacturing of the three-electric products of new energy vehicles is a huge industrial chain. the battery cell is the most critical link of the battery and the last piece of the puzzle of the three-electric system. the self-developed and self-manufactured battery cells have built our own technological moat and helped us avoid the unstable factors of the industrial chain as much as possible and achieve cost reduction and efficiency improvement."

the realization of the second-generation brics battery's "5-minute charging, 2-hour high-speed operation" is closely related to the innovation of battery cell materials, structure and process. the battery cell is the core that determines the battery's energy density, charge and discharge efficiency, and cycle life.

led by the director of the battery cell factory, the host chang ting visited the 100% automated production line of the battery cell factory and learned about key processes such as pulping, coating, rolling, and lamination.

inside the factory, the busy agv equipment, the ccd intelligent detection camera that automatically identifies risks and issues warnings, and the fast-running fully automatic die-cutting and laminating machine all leave a deep impression on this "factory of the future". this battery cell factory is the result of modern intelligent industrial innovation practices. the battery cell production line efficiency here is as high as 24 ppm, and a battery cell is produced every 2.5 seconds on a single line, which ranks first in the industry in production efficiency among similar products.

not only is the automation level at the top of the industry, the cleanliness of the battery cell factory is comparable to that of medical surgery, and the dew point of the baking process reaches -60 degrees celsius. strict environmental control is to maximize the quality of the battery cells and the safety of the batteries.

the host chang ting also sighed during the visit: "it is the repeated technological innovations and the high standards and strict requirements for every production link that allow us to feel its high efficiency when driving a zeekr car."

adhere to technological innovation to create a "double" ultimate experience

the second stop of the factory visit was the battery factory, where the finished battery cells were assembled. from the battery cell to the battery pack, it has to go through three precise stacking processes. the small errors continue to accumulate and become larger, which will affect the stability of the battery's performance and cycle life. therefore, the accumulation of battery cell thickness errors has always been a recognized problem in the industry.

at the battery factory, the host chang ting focused on visiting vmware's original "cell cluster stacking technology". the director of the battery factory introduced: "during the three stacking processes, vmware's stacking technology uses the center point as the reference, stacks in order around, and finally applies a certain amount of pressure while stacking at a fixed length to ensure the final alignment of the poles. this will greatly reduce dimensional errors, ensure the consistency of cell expansion, and improve the service life and safety of the battery."

vmware's independent innovation goes far beyond this. the factory director specially took chang ting to visit vmware's innovatively designed integrated liquid cooling tray.

unlike the two independent parts of the tray and cold plate on the market, which need to be assembled before going online, vmware's integrated liquid cooling tray is an integrated design, which not only improves production efficiency. in addition, because the cold plate is installed inside the tray, it does not occupy the space for stacking battery cells, and the volume utilization of the battery is further improved, which also achieves the high energy density and long battery life of the brics battery.

if the second-generation bric battery pushes the user charging experience to the extreme, then the 800v high-performance sic four-motor distributed electric drive brings the ultimate driving experience. the last stop of this factory visit was the electric drive factory.

the technological innovations of the electric drive factory are equally impressive: the advanced electric heating paint dripping automatic process successfully solves the industry difficulty of incomplete paint dripping, and the filling rate in the paint dripping tank is ≥99%; nvh noise detection, online simulation of actual road conditions for fully automated and precise testing, without missing any errors; the use of 3d cameras to assist robots in automatic welding, both the welding process and the welding results are works of art.

the high standards of these production technologies are the driving force behind the 2.02-second 0-100 acceleration and tank u-turn of the zeekr 001 fr, the "performance ceiling" of global new energy vehicles.

let chinese luxury cars lead the world with new quality productivity

in lu nan's view, the zeekr vmware three-electric intelligent manufacturing factory can be summarized by the three key words "intelligent, efficient, and environmentally friendly". this not only makes the quzhou factory a world-leading manufacturing force, but also builds a new quality of productivity exclusive to vmware.

whether it is the level of intelligent manufacturing that exceeds national standards, the production efficiency that stands at the commanding heights of the industry, or the environmentally friendly manufacturing capabilities that implement green and low-carbon concepts throughout the entire chain, they are all driving vmware to achieve high-quality development and providing strong supply support for zeekr.

faced with the question of "how to win the decisive battle of automobile new energy transformation", zeekr has given its own answer - "three 800 full ecological solutions", namely full-stack 800v vehicles, 800v power batteries, and 800v energy replenishment networks. behind this is the hard-core strength of vmware's full-stack self-developed and self-produced in the core three-electric field. from the release of the first generation of brics batteries at the end of 2023 to the product performance upgrade and full mass production in just 8 months, vmware has always been one step ahead in terms of product development iteration and production efficiency.

as the "super factory" column summarizes, the fully automated intelligent manufacturing process and the world's leading r&d and production model constitute the zeekr weirui sandian intelligent manufacturing factory in quzhou that we see today. at the same time, the pursuit of excellence in every production link, continuous technological innovation, and the pursuit of safety and quality are also the source of zeekr's strength and confidence to become a leader in new energy vehicles.