A Comprehensive Teardown of the Lucid Air Grand Touring Battery Pack

TLDRThis video provides a detailed teardown of the Lucid Air Grand Touring battery pack, including an analysis of the module architecture, wire bond strategy, bus bar design, and voltage monitoring system.

Key insights

🔍The Lucid Air Grand Touring battery pack is a 22-module pack with 19 modules on the base level and 3 second-level modules.

🔋The Lucid Air Grand Touring battery pack has a capacity of 112 kWh, while the Grand Touring performance version has a capacity of 118 kWh.

🛠Removing the structural adhesive to access the main positive and negative bus bars is challenging and affects serviceability.

🔌The battery modules are linked together using a stack of bus bars with machined slots, enabling tool access for fastening.

🔬The module wire bonds have different thicknesses to accommodate the necessary voltage for blowing the fuse.

Q&A

What is the capacity of the Lucid Air Grand Touring battery pack?

The Lucid Air Grand Touring battery pack has a capacity of 112 kWh.

How many modules does the Lucid Air Grand Touring battery pack have?

The Lucid Air Grand Touring battery pack has 22 modules, with 19 on the base level and 3 at the second level.

What is the unique feature of the Lucid Air Grand Touring performance version?

The Lucid Air Grand Touring performance version maintains a 22-module pack while achieving a capacity of 118 kWh through a change in chemistry.

How are the battery modules linked together?

The battery modules are linked together using a stack of bus bars with machined slots for tool access during fastening.

What is the purpose of the different wire bond thicknesses?

The different wire bond thicknesses accommodate the necessary voltage for blowing the fuse.

Timestamped Summary

00:00Introduction and overview of the Lucid Air Grand Touring battery pack architecture and differences across trim levels.

12:47Detailed explanation of the high-voltage architecture, including the composite base, castings, and extrusions.

16:33Overview of the lid structure and its impact on serviceability.

20:46Analysis of the main positive and negative bus bars, including their routing and use of structural adhesive.

25:57Explanation of the module linking strategy using stacked bus bars with machined slots for tool access.

28:28Insight into the wire bond strategy and the different wire bond thicknesses for varying voltage requirements.