Battery Thermal Management System For EV

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Battery Thermal Management System For EV

 

 

The products are suitable for power battery thermostatic management systems such as pure electric buses, hybrid buses, extended-range hybrid light trucks, hybrid heavy trucks, pure electric engineering vehicles, pure electric logistics vehicles, pure electric excavators, and pure electric forklifts. By controlling the temperature, it enables the power battery to work under thenormal temperature range in high temperature areas and severe cold areas, thereby prolonging the service life of the power battery and improving the safetyof the power battery.

 

 

Product	Battery Thermal Management System For EV	Applicable models	8-10m bus/light &heavy truck
Rated Voltage	350~600V	Maximum Airflow	2200m³/h
Control Voltage	12V/24V	Refrigerant	R134a
Rated Cooling Capacity	3.5kW	Dimensions	770*475*339
Rated Heating Capacity	-	Weight	28KG
Maximum Input Power	2kW	Color	Black

• Safety Guardian: Prevents thermal runaway, serving as the last line of active defense for battery safety.
• Range Protector: Mitigates low-temperature range degradation and ensures fast charging speeds.
• Lifespan Manager: Extends battery life by 30% or more through precise temperature control and balancing.
• Performance Guarantee: Ensures sufficient power output in any climate.

 

 

This diagram illustrates the closed-loop thermal management system that maintains the electric vehicle's battery pack within its optimal operating temperature range, ensuring safety, performance, and longevity.

1.Electric Drive System (Heat Source)

 

The electric motor and inverter in the drive system generate significant waste heat during operation. This heat is captured by the thermal management system.

2.Integrated Thermal Control Unit (Central Hub)

 

This unit serves as the system's core, managing both heating and cooling functions:

 

Heating Mode: When the battery pack is too cold (e.g., in low-temperature environments), the system redirects waste heat from the drive system (or activates dedicated heating elements) to warm the battery pack, ensuring efficient charging and discharging.

Cooling Mode: When the battery pack overheats (e.g., during high-load operation or fast charging), the system transfers excess heat from the battery pack to the radiator.

3.Battery Pack (Controlled Component)

 

The battery pack is the primary thermal load. It requires precise temperature regulation:

 

• Too cold: Reduces capacity, increases internal resistance, and slows charging.
• Too hot: Accelerates degradation, increases safety risks (e.g., thermal runaway), and reduces cycle life.

 

The system maintains the pack within the optimal range via the heating/cooling loop.

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4.Radiator (Heat Dissipation)

 

The radiator acts as the system's heat exchanger. When cooling is needed, it dissipates the excess heat absorbed from the battery pack and drive system into the ambient air, completing the cooling cycle.

 

 

 

 

Integration and Intelligence: Deeply integrated with the thermal management systems of the motor, electronic control, and cabin air conditioning, forming "intelligent vehicle thermal management," uniformly managing heat throughout the vehicle to maximize energy efficiency.

 

Precise Predictive Control: Combines AI algorithms, navigation traffic conditions, and weather forecasts to achieve predictive thermal management, preheating or cooling in advance.

 

New Material Applications: Such as more efficient thermal interface materials.

 

Active Balancing: Deeper integration of electrical balancing into thermal management, comprehensively improving consistency.

 

 

 

 

After more than 30 years, Hebei Nanfeng Automobile Equipment Group Co., Ltd. has continuously introduced international advanced technology and equipment. The products meet European safety and environmental protection standards and have been produced on a large scale and in series. Our company has obtained IATF 16949, ISO 14001, and BS OHSAS 18001 system certifications, and has been supporting many well-known automobile factories in China. At present, the products have been exported to overseas and international markets.

 

 

 

 

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