from chemistry to pack
An update on the Rivian R2 battery pack, now we have more information and more hard data. Trouble is the 2024 Investor Day R2 data left out a lot of the detail and the CEO updates in 2025 (Rivian R2 Pack – 2025 Update) were a little bit confusing. Time to again see if we … Read more
We have already looked at the BMW iX3 Neue Klasse Battery and the BMW Gen6 EV Battery Technology behind it. The second Neue Klasse model, the BMW i3 (badged NA0, reviving the i3 name for an all-electric 3 Series), uses the same Gen6 battery system, so this is really a companion piece rather than a … Read more
We have just received the specification sheet for the JLi Battery Co 37Ah 4695 cell and it is really interesting. This is a 335Wh/kg cylindrical cell with a Ni-rich NMC cathode + Silicone Carbon anode. The cells are using aluminium shell to enable the lightest weight and highest thermal performance. The Welding instructions for this … Read more
More images are now available of the 2026 Tesla Semi Battery and hence we thought we should create an update from the original 2022 Tesla Semi Specifications. Spec Standard Range Long Range Range ~325 mi ~500 mi Energy Consumption 1.7 kWh/mi 1.7 kWh/mi Fast Charging Up to 60% in 30m Up to 60% in 30m … Read more
We have been looking at the BMW Gen6 Battery System since late 2022 with a slow release of data from BMW since then. A more substantial release and video of the technology was given earlier this year: BMW Gen6 EV Battery Technology. In the latest posts around the 26MY iX3 we are getting a few … Read more
The original post on the Rivian R2 battery pack was based on the 2024 Rivian Investor Day presentations. However, with the messages from the Rivian CEO [1] earlier this year we are overdue an update. Trouble is the 2024 Investor Day R2 data left out a lot of the detail and so we were estimating … Read more
The BAK INR4695-330B battery cell is one of the ever increasing number of 46xx format cells. Based on the date on the specification sheet the start of production is 2023. Metrics Specifications Power9 Tech kindly provided us with the images of the cell teardown and their findings from this process. Regarding BAK 4695 battery cell … Read more
In previous articles we’ve highlighted the benefits of aluminium cell housings for 4680 battery cells like improved thermal management and gravimetric energy density and explored the structural performance of 4680 cans made from Speira ION Cell 3-CB and Speira ION Cell 3-CS1,2,3. It has been shown that high strength aluminium grades like Speira ION Cell … Read more
BMW have produced a high level walk-through of the BMW Gen6 EV Battery Technology [1] and from this we get the following high level facts: Building on the BMW Gen6 Battery System that we posted over 2 years ago. This Gen6 battery is Cell to Pack and Pack to Open Body just like the Tesla … Read more
It’s early days in terms of working out the details around the Rivian R2 battery, but thought it might be worth just seeing what we know or could infer. The Rivian Investor Day 2024 [1,2] gave a lot of details around the updates to the R1 and this new smaller vehicle, but left a lot … Read more