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 costs of batteries in electric and hybrid vehicles under real-driving and charging conditions.

 

DCAirco chillers are Designed - Developed - Manufactured for cooling / heating of 400V 420V 750V 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. Though it has 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 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 heat transfer process is more efficient
• Technology readiness level 6
• Still in 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 from than direct liquid cooling, Though it has 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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battery power vs temperature thermal managment battery cooling
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    Environmentally friendly Air Conditioning

    • Low carbon footprint
    • Low energy use compared to CO2
    • Low operational cost
    • Factory pressure tested with Hydrogen (leak free)
    • Uses refrigerant gas with the minimal environmental impact

    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

    AC vs DC Air conditioner

    Quick return investment

    Follow this link for more information

     

    Low power consumption

    Extremely low power consumption with high cooling output!!

    High ambient design

    Specially build for high ambient!

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