Why thermal Management for batteries?

 

 

Thermal Management for 400V 420V 750V 800V batteries 

Thermal Management with an optimal range of 15◦C to 35◦C for batteries is essential for increasing safety, extending service life, and reducing the costs of batteries in electric and hybrid vehicles under real-driving and charging conditions.

 

DCAirco chillers are Designed, Developed, and Manufactured to cool/heat 400V, 420V, 750V, and 800V batteries.

Examples of thermal management of batteries

 

Air to Air Heat pump
Thermal management of batteries by forced air

• Technology readiness level 9
• The simplicity of an air-cooling system is the advantage over a liquid-cooling system.
• The 2/3 times’ higher energy consumption is the disadvantage over a liquid- cooling system.
• Cleaning of air filter is needed regularly to maintain the performance
• The temperature difference of no more than 5◦C
• Maximum cell temperature of 55◦C
 

Liquid to Air Heat pump
Thermal management of batteries by Immersion

• Able to handle much larger heat loads than other methods
• Indirect liquid cooling is more practical than direct liquid cooling.  It has a slightly lower cooling performance.
• Very wide operating temperature range
• Condensation on components is ruled out
• Technology readiness level 7
• Longer life span of batteries
• Compacter size of batteries
• Suitable dielectric fluid may be expensive

 

Liquid to Air Heat pump
Thermal management of batteries by Immersion

• Able to handle much larger heat loads than other methods
• Indirect liquid cooling is more practical than direct liquid cooling.
Though it has a slightly lower cooling performance.
• Very wide operating temperature range
• Condensation on components is ruled out
• Technology readiness level 7
• Longer life span of batteries
• Compacter size of batteries
• Suitable dielectric fluid may be expensive
 

Direct expansion (DX) Heat pump
Thermal management of batteries by refrigerant

• Eliminates liquid glycol, even has a cooling rate of 3-4 times higher, and simplifies the battery’s TMS
• A direct liquid cooling system has the lowest maximum temperature rise
• Due to this, the heat transfer process is more efficient
• Technology readiness level 6
• Still in the early design phase

 

Liquid to liquid Heat pump
Thermal management of batteries by liquid

• Able to handle much larger heat loads than other methods
• Indirect liquid cooling is more practical than direct liquid cooling, Though it has a slightly lower cooling performance
• Thermal management for additional equipment
• Very wide operating temperature range
• Technology readiness level 9
• Transferring heat both ways

Downloads -

  • DCAirco - Innovative space saving thermal managment solutions for batteries 420V-800V in eMobility

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    Why our customers select DC Airco Air Conditioning Units for their professional applications:

     

    • >50% lower fuel/energy consumption
    • No startup peak-soft starting
    • No need of an expensive inverter to powered it.
    • DC unit keeps on cooling in case of power failure/engine off
    • Quality manufacturing since 1997 with extensive testing procedures
    • Easy mount, fully factory assembled charged and tested 
    • Low maintenance and low whole life cost
    • Stock and custom made units
    • Worldwide deliveries

    High ambient design

    Specially build for high ambient!

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