Cold Plate
Definition
Heat exchanger with internal liquid coolant channels designed to remove heat from battery modules through conduction. Typically aluminum or copper construction.
Why It Matters
- Most effective cooling method for high-power battery packs
- Enables higher power density than air cooling
- Requires liquid cooling system (pump, radiator, coolant)
- Essential for fast charging and high discharge rates
Common Pitfalls
- Inadequate coolant flow rate leading to hot spots
- Not considering pressure drop across cooling channels
- Poor thermal interface between modules and cold plate
- Not planning for coolant leakage scenarios