* Miniature Cooling Systems secure performance and longevity in e-vehicles - RIGID HVAC
Overview of the Electric Vehicle Lithium-ion Battery Cooling Technology
Background: The performance of the Lithium battery directly affects the efficiency of the battery pack, and also affects the battery life and safety of use. In order to bring out the best performance and life of the battery pack, it is necessary to optimize the structure of the battery pack, increase the heat dissipation facilities and control the temperature environment of battery operation.
Temperature is an important factor when it comes to Li-ion batteries. They perform best in temperatures between 20 and 30°C, and they also achieve their maximum electrical performance and durability during this temperature range.
Performance will be affected by temperatures that are too high or too low. As the temperature rises above 30°C, the cell oxidation rate increases, resulting in faster battery degradation, and declining performance and capacity. Operation at over 40°C may even cause permanent damage.
The cooling performance of the power battery directly affects its efficiency, and also affects the battery's life and usage safety. As the battery itself generates certain heat during charging and discharging, which leads to the temperature rise, and the temperature rise will affect many characteristics parameters of the battery, such as internal resistance, voltage, SOC, available capacity, charging and discharging efficiency and battery life. So, thermal management is crucial to power battery performance.
Active Air Cooling
Currently, RIGID Technology micro-cooling systems provide the following cooling approaches for domestic and foreign electric vehicle battery packs: Air Cooling, Liquid Cooling, and Cold Plate Direct Cooling (also name as refrigerant cooling). At present, the air cooling method is still the main method used. Because air cooling is simple configuration and easier to achieve.
RIGID Micro DC Aircon is the world's smallest portable air conditioning module widely used for EVs battery air cooling.
The Micro DC Aircon removes heat from the air which is circulated through the system to cool the heat source. They are especially applied to critical applications where space and weight are important to them. It is widely used for compact and confined space cooling.
The DC Air conditioning systems are ideal for cooling bulk heat loads where minimal modification to the system is desired. The mini compressor air conditioner provides an excellent cooling solution where size/space/efficiency are important factors.
* RIGID Micro DC Aircon provides active and safe air cooling for Lithium-ion battery cooling.
Micro DC Aircon Features:
Compact, Easy to install. Miniature compressor, micro-channel condenser, mini radiator, and fans & blowers are all assembled in-one, No more engineering.
- Low Weight → Extremely Portable
- Low Voltage → Proven Low Risk (12V / 24V / 48V)
- Low Noise → Suitable for Office, Hospital, Home
- Small Footprint → Easily Integrated into Small Spaces
- High Capacity → Comparable to Systems 5x the Size
- High-Efficiency → Low Power Draw, Less Heat Rejection
- High-Reliability → Less Maintenance, Fewer Service Calls
- Variable Speed → Accurate Temperature Stability Available
Air-Cooling Battery Thermal Management Systems For EVs and Electric Vehicle Fleets
