Liquid cooling
Liquid cooling removes battery heat via coolant in cooling plates at the modules. It is common at high continuous power and in containers.
What does liquid cooling mean?
With liquid cooling, a coolant circulates through cooling plates directly at the battery modules. Heat is collected where it arises — keeping the temperature difference between cells typically below 3 °C and the ageing of all strings even.
It becomes necessary at high continuous power, high C-rates, dense packing (containers!) and hot sites. The counterpart: pumps, a cooling circuit and maintenance needs, plus higher auxiliary consumption.
What matters in practice
- practically standard for containers and high cycle counts
- include coolant maintenance and antifreeze in the service contract
- account for the cooling’s own consumption in the RTE balance
- siting: chiller units need exhaust routing and clearance
Practical example
An industrial business cycles twice daily at 0.8C for peak shaving in two-shift operation. The liquid-cooled OmniCube L233 keeps the cells evenly in their window — air-cooled, derating would have become the problem at this continuous load.
The Speichercampus perspective
Speichercampus uses liquid cooling deliberately where continuous load or form factor demands it — from the L233 and the E261LP to all container classes.