from chemistry to pack
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 Renault 5 E-Tech has two battery packs defined by usable energy of 40kWh and 52kWh. Initially the vehicle is launched with the 52kWh usable pack. This pack is assembled by Ampere, a subsidiary of Renault and using AESC pouch cells. This post has been built based on the support of and sponsorship from: Quarto Technical Services, Eatron … Read more
INGLO is the new ground up ev platform from Mahindra and underpins the XEV9e and BE 6e. The battery pack uses LFP cells from BYD and is a cell to pack design. Module to Pack This pack is described as cell to pack, but this pack has very clearly defined modules and a pack frame … Read more
How can we unlock the full potential of vast, unlabeled battery field data? Despite significant advancements achieved by data-driven methods, diagnosis accuracy remains constrained by the high costs of check-up tests and the scarcity of labeled data. In this paper experimental verification is performed on the battery degradation dataset from 20 commercial EVs, collected over … Read more
An initial high level look at the impact SOC estimation errors. State of Charge (SOC) State of Charge, abbreviated as SOC and defined as the amount of charge in the cell as a percentage compared to the nominal capacity of the cell in Ah. Errors in SOC accuracy can impact the operation of the battery … Read more
Use this EV Range Calculator to predict your electric vehicle’s driving range based on real-world conditions. Select your vehicle (Tesla Model 3 or VW ID.4) or input custom specs to get a tailored estimate. Custom EV Range Estimator Your Estimated EV Range 0 km Select Your Vehicle Choose a preset vehicle or use custom settings: … Read more
The 2024 Porsche Taycan Turbo S will be getting a lot of attention as the 2019 Porsche Taycan broke a lot of the ground with 800V and huge performance. This facelift has introduced some significant increases in power and efficiency overall. Specifications The total energy has increased from 93.4kWh to 105kWh and the usable window … Read more
Auxiliary systems power consumption in a vehicle especially an electric vehicle have a big effect on the vehicle range. The Range is decided by the battery capacity in kWh. Battery capacity is primarily used to provide traction power through AC or DC motor. Efficiency of motor, drivetrain and battery can tell you how much power … Read more
What is Remaining Useful Life (RUL)? Remaining Useful Life (RUL) is a key function declared by the battery management system. As per the title it gives you the remaining predicted lifetime of the battery based on its usage and degradation to the failure threshold [1]. It represents the period from the observation to the end of life … Read more
Update: Now that Tesla Cybertruck has been launched and first delveries/bookings being confirmed. We can update the article and benchmarking based on the data available from the websites and various forums. We are now seeing them on the road and buzz is going around with various video reviews. Recent Q2 Earnings call gave us the … Read more