On December 24, CATL formally launched its new Bedrock skateboard chassis. It was additionally introduced {that a} new mannequin from the Avatr model could be the primary automotive to make use of this, displaying deepening cooperation between the 2.
On the press convention, CATL burdened each the security and the efficiency of the brand new bedrock skateboard chassis. Firstly it claims a cruising vary of greater than 1000 kilometers. In keeping with CATL, the Bedrock chassis is the CIIC ultra-high secure flagship version, as seen within the slide present.
To make sure security, CATL has targeting three chassis-related components: construction battery cells and excessive voltage system. CATL performed a video demonstrating a frontal collision of a check automotive right into a wall at 120 km/h. It must be famous that Within the present C-NCAP check such a collision is completed at 56 km/h. Because of this a 120 km/h frontal or column collision has elevated the collision vitality by 4.6 occasions.
The end result confirmed that the passenger compartment of the automotive remained largely unscathed. Maybe extra importantly, nonetheless, there was neither a fireplace nor an explosion.
To attain this, there’s an built-in design of the automotive physique and battery with a number of blocking paths to cut back chassis invasion velocity. 2000Mpa hot-stamping (press hardening) metal and 600Mpa aluminum alloy are matched with one another to enhance the passive security efficiency of the general construction.
To soak up a part of the collision vitality and cut back deformation of the batteries, the battery cells are optimized utilizing a excessive toughness insulating movie. This helps cut back the chance of thermal runaway, but when it does happen, scorching gasses might be simply discharged from the underside, which helps cut back the temperature of different parts.
In a collision, the high-voltage circuit is reduce off inside 0.01 seconds, and the residual high-voltage vitality is discharged inside 0.2 seconds, thereby decreasing the chance of fires and explosions.
The core powertrain, brake-by-wire, steering, suspension, and three-electric module are all built-in on the skateboard chassis. CATL says that it could help absolutely redundant drive-by-wire programs together with degree 3 to degree 4 driving help. In the meantime, the vary can exceed 1000 km.
A skateboard chassis reduces the event cycle time for chassis parts. This has a knock-on impact on the event time of recent fashions, that means {that a} new mannequin could be put into manufacturing inside 12 to 18 months.
It’s claimed that the chassis has a “battery-centric design,” permitting it to combine with CATL’s fourth-generation CTC (cell to chassis) battery know-how. This helps with structural rigidity and may cut back the load and area of the battery packs.
It was introduced on the press convention that Avatr could be the primary model to make use of the brand new Bedrock skateboard chassis. At the moment, this automotive is being known as a brand new N plus mannequin. Little is understood about this automotive apart from that it’s going to use Bedrock know-how together with vitality administration and clever know-how, in accordance with a slide.
The brand new automotive is prone to debut within the second half of 2025. It must be famous that the brand new automotive isn’t the primary automotive to make use of a CATL chassis skateboard. Earlier this 12 months, it was reported that an 800V model of the Neta S wagon would use such a chassis. Nonetheless, it seems that this automotive has but to succeed in manufacturing as a result of ongoing monetary issues of Neta.
On the press convention, CATL and Avatr signaled nearer cooperation sooner or later. CATL is the second largest shareholder within the Avatr model and holds a 14.1% share. Changan with a share of 41%, is the most important shareholder.
Sources: Autohome, Weibo
