On December 23, 2023, NIO Day 2023 kicked off in Xi'an. The theme of this event is "A New Journey Up". At the event, Weilai officially released and pre-sold its new administrative flagship ET9, and released four self-developed core technologies applied on it.NIO ET9 debuts and starts pre-sale
NIO ET9 is the model with the highest depth and breadth of research and development of the NIO brand so far, and it is also the first model with a 9-digit sequence. NIO officially defines ET9 as the flagship product of the NIO brand and the strongest pinnacle of the NIO brand so far. work.The new car is available for pre-sale on site, with a pre-sale price of RMB 800,000. Pre-order benefits include RMB 5,000 worth RMB 10,000 and 100 hours of NIO’s high-end exclusive driver service.Deliveries of the new cars will begin in the first quarter of 2025.
ET9 is based on the NT2.0 platform and has NIO's current mainstream family-style design language. The design inherits family DNA to a high degree. The fast-back shape design maintains an administrative feel without being too exaggerated.Under the PURE-TEC design concept, NIO ET9 also continues to make subtractions in the appearance design, and functional elements are hidden as much as possible.Under the "Design for AD" design concept, the lidar and cameras on the roof also adopt a watchtower-style and horn-style distribution design. It continues to have a full set of autonomous driving hardware from the NT2.0 platform of the future family, and self-developed smart driving. Chips, super-sensing systems, supercomputing platforms and NIO autonomous driving technology.
The new X-bar’s closed mesh surface and hollow area are more concise, and the iconic Shark Nose shark nose is more protruding.The outer contour edges of the iconic Double Dash daytime running lights are sharper and deeper.The split main light group adopts a projection lighting method, which can provide targeted focused illumination of the road or objects ahead, and can also project a light screen image on the road ahead. The lighting method is amazing.The new car introduces a new style of welcome light mat, which is larger in area and more sophisticated in color, making entering and exiting the car more ceremonial.
The new car adopts a sporty fastback shape, with a compact and upturned dynamic tail, which combines the sharpness of a coupe with the temperament of an executive sedan. It has a long wheelbase and long rear overhang, slender narrow windows, 23 Inch wheels harmonize the aesthetics of the car's side, and the family-style through-type taillight design further enhances the aesthetics. The width indicator light strip is unusually slim and very flattering.In terms of body size, its length is 5325 mm, width 2016 mm, height 1620 mm, and wheelbase 3250 mm.
In terms of power, ET9 is a 900V global high-voltage platform with a peak charging power of 600 kilowatts and a 5C charge and discharge rate.The power battery part uses 46105 large cylindrical batteries, whose energy density reaches 292 watt-hours per kilogram.The new car will use NIO’s fourth-generation electric drive, which is a 180-kilowatt asynchronous front + 340-kilowatt oil-cooled permanent magnet synchronous electric drive in the rear.
NIO ET9 adopts a fully wire-controlled intelligent chassis. Its VMC intelligent computing platform realizes software and hardware decoupling. Combined with Tianshu SkyOS, it supports flexible deployment and can expand new functions and new wire-controlled hardware.The chassis part adopts Tianxing Skyride fully active suspension with rear-wheel steering function.In the steering part, full steering-by-wire technology is adopted, and the steering wheel only needs to turn 0.6 times when facing the parking scene.
In terms of the cockpit, NIO ET9 adopts the intelligent digital architecture of the entire vehicle. The central control screen has been changed to a horizontal layout. There is a 1.4-meter-long "skyline screen" on the central console with a digital skin function and "skylight printing". Scene mode.The audio part has 35 speakers, with 8 headrest speakers, 2680 watts of power, bi-amp + 7.1.4 channels, and the noise reduction capability reaches 800hz.
NIO ET9 adopts the original four-seater layout of Sky Island + Administrative Bridge. The vertical length of the internal space reaches 2049 mm and the horizontal width reaches 1563 mm.The vertical "Sky Island" design on the roof is paired with an exclusive canopy and 256-color diffuse reflection ring lights; the 1.95-meter-long executive bridge, which integrates 20 innovative subsystems, integrates a 360° stepless adjustable executive desk, with the lower part integrated The 10L smart refrigerator can achieve a temperature adjustment range of minus 2 degrees to 55 degrees.
The "sliding-reclining executive seats" in the rear row have a maximum backrest adjustment angle of 45°, a seat cushion width of 582mm, and 11 linkage adjustments for one-button comfort.In addition, all four side windows of the car are laminated glass, and are equipped with seven electric sunshades. There is a panoramic interconnected executive screen behind the front seats, using a 14.5-inch OLED high-definition display.Four core technologies released
As the embodiment and achievement of NIO's 12 full-stack technology layout, NIO officially released four core technologies: self-developed intelligent driving chip, self-developed global 900V high-voltage architecture, Tianxing intelligent chassis system, and flagship safety standards. Applied on Weilai ET9.NIO officially stated that it has defined a new technical standard for the next generation of high-end smart electric vehicles.Self-developed intelligent driving chip
NIO's first self-developed smart driving chip Shenji NX9031 was officially released. This self-developed smart driving chip can better match its own algorithm needs. NIO said it can achieve the performance of four current industry flagship smart driving chips.
The chip is manufactured using a 5nm automotive-grade process and has more than 50 billion transistors.Based on the CPU computing cluster with super concurrent task processing capabilities and ample memory access bandwidth, fast and stable processing latency is achieved.Through the self-developed image signal processor ISP, the full-link super-sensing is enhanced.Through the self-developed inference acceleration unit NPU, various AI algorithms can be run flexibly and efficiently.
It can dynamically wake up various subsystems in microseconds, and cooperate with the strongest safety redundancy capabilities to upgrade the intelligent driving experience.
NIO's comprehensive vehicle operating system Tianshu SkyOS will also be fully applied on ET9. With the smart driving chip, it will build a 1+4+N technology cluster, covering multiple fields such as vehicle control, smart driving, cockpit, and mobile Internet. .
Global 900V high voltage architectureGlobal 900V high voltage architecture
NIO released its global 900V high-voltage architecture, which has the highest vehicle voltage of 925V, 600kW peak charging power, and 765A peak charging current.
NIO's new generation 900V smart electric drive platform adopts self-developed and produced 1200V silicon carbide power modules, W-Pin continuous wave winding technology, and high-efficiency oil cooling system.The world's first 925V continuous wave winding permanent magnet synchronous rear electric drive has a peak power output of 340kW.The weight of the front 180kW induction asynchronous electric drive is 69kg, and the power density reaches 2.6kW/kg. The total volume of the front and rear electric drive systems is reduced by 30%, and the longitudinal dimension is shortened by 280 mm, leaving space for the car cockpit, front and rear trunks and chassis systems. Allowed.
In terms of batteries, NIO has self-developed 46105 large cylindrical cells and battery packs. The energy density of a single cell is 292Wh/kg, the whole package capacity is 120kWh, the battery pack charging efficiency reaches 5C, and the 5C lightning charging has a range of 255 kilometers in 5 minutes.
In addition, the battery pack uses a thermal and electrical separation design to separate the electrical connections and explosion-proof valves at both ends of the battery cells to improve battery safety starting from a single battery cell.The serpentine tube achieves double-sided cooling, providing a safe and stable temperature environment for the battery pack to achieve 5C charging. The vertical height utilization rate of the battery pack reaches 84%.SkyRide Tianxing Intelligent Chassis System
NIO integrates the three core hardware systems of steer-by-wire, rear-wheel steering and fully active suspension to create the "SkyRide Intelligent Chassis System", which NIO says is the only fully wire-controlled intelligent chassis system in the world.
Under the "Tianxing steering-by-wire" technology, electrical signal transmission is used between the steering wheel and the steering motor, and there is no traditional mechanical structure.Under the "rear wheel steering" technology, the maximum rear wheel turning angle of ET9 reaches 8.3°, achieving a minimum turning diameter of 10.9 meters.
NIO's "Full Active Suspension" is the world's first integrated hydraulic fully active suspension. It is the first time that a shock absorber and an active suspension electric drive unit are highly integrated. It is an active suspension electric drive jointly developed by NIO and ClearMotion. Unit, high-frequency response and quick adjustment bring comprehensive improvement in controllability, comfort and safety.Flagship safety standards
NIO ET9 adopts an aircraft body design, utilizes space mechanics structure, and uses high-strength steel, aluminum-magnesium alloy and composite materials to create a vehicle torsional stiffness of up to 52,600Nm/deg.
The entire series is equipped with 9 airbags as standard. The side air curtains cover 100% of the protection area for front and rear passengers. The rear passengers are equipped with second-row side airbags, which can meet all side impact conditions in China, Europe and the United States.
The super-sensing system Aquila 2.0 equipped with NIO ET9 has added bilateral wide-angle lidar to build a 350° laser circumferential sensing system; the ultra-long-range lidar is equipped with NIO's self-developed Yang Jian main control chip: added 4D millimeter wave imaging Radar improves perception.
In terms of lamp units, NIO ET9 is equipped with a new smart high-definition projection headlight, which uses MicroLED units and film and television industrial-grade high-precision imaging lenses, and is deeply integrated with Aquila 2.0 to achieve enhanced far and near light brightness, ultra-wide-angle coverage, and ultra-large follow-up steering angle. And a longer illumination distance can achieve pixel-level precise light control.
NIO said that with reference to aviation-grade safety standards and based on the characteristics of intelligent hardware, software, batteries, and electric drive systems, it has designed seven layers of safety redundancy for core systems related to driving control.[Fourth generation battery swap station and ultra-fast charging pile]
Not long ago, NIO completed its goal of adding 1,000 battery swap stations in 2023 ahead of schedule. NIO stated that it will continue to add 1,000 battery swap stations and 20,000 charging columns in 2024.At the scene, NIO officially released the fourth-generation battery swap station and 640kW fully liquid-cooled ultra-fast charging pile.
The fourth-generation power swap station supports multi-brand shared power swaps, shortening the power swap time by 22%; equipped with a photovoltaic system on the top of the station, each station saves nearly 18,000 kilowatt-hours of electricity per year.
NIO's 640kW fully liquid-cooled ultra-fast charging pile has a maximum current of 765A, a maximum voltage of 1000V, and a peak charging power of 640kW. It can intelligently allocate charging power within the station in real time.
