EV Performance Dashboard
Thermal management is the key differentiator in EV performance, safety, and battery longevity.
Critical Thermal Management Challenges
Thermal Runaway Risk
Uneven battery cell temperatures increase thermal runaway risk by 300%.
Fast-Charging Degradation
400kW fast charging generates 80°C peak temperatures, accelerating degradation.
Electrical Leakage
High conductivity coolants pose short-circuit risks in 800V systems.
Range Anxiety
Poor thermal management reduces winter range by 40-50%.
Core Applications in Electric Vehicles
Battery Thermal Management
EV batteries require precise temperature control to maintain optimal performance, prevent degradation, and ensure safety. Glacier Coolant provides specialized solutions for battery pack cooling.
LM-4D
Ultra-Low Conductivity Heat Transfer Fluid
LM-4D is specifically designed for high-voltage battery systems with ultra-low electrical conductivity below 2 μS/cm. This ensures maximum safety while providing efficient heat transfer.
- Conductivity below 2 μS/cm
- Operating range: -35°C to 150°C
- High specific heat capacity
- Outstanding corrosion protection
- Long service life
| Temperature Range | -35°C ~ 150°C |
|---|---|
| Composition | Modified Diol-Based |
| Conductivity | < 2 μS/cm |
| Applications | EV Battery Packs |
LM-4B
Modified Triol-Based Heat Transfer Fluid
LM-4B offers excellent thermal performance for battery thermal management with food-grade certification and good corrosion protection.
- Temperature range: -20°C to 95°C
- Proprietary M3 super-film antirust technology
- High thermal conductivity
- Compatible with aluminum and copper
- Food-grade certification
| Temperature Range | -20°C ~ 95°C |
|---|---|
| Composition | Modified Triol-Based |
| Key Feature | Food-Grade |
| Applications | General Battery Cooling |
LM-4D-YE
Ethylene Glycol-Based Heat Transfer Fluid
LM-4D-YE offers the same high-performance characteristics as LM-4D with enhanced visual identification for system monitoring and maintenance tracking in EV battery systems.
- Same thermal performance as LM-4D
- Ultra-low conductivity for electrical safety
- Yellow color for easy visual monitoring
- Wide operating range: -50°C to 200°C
- Compatible with aluminum and copper
| Temperature Range | -50°C ~ 200°C |
|---|---|
| Composition | Ethylene Glycol-Based |
| Key Feature | Visual Monitoring |
| Applications | EV Battery Packs |
LM-4
25% Ethylene Glycol Content
LM-4 is a premium ethylene glycol-based coolant designed for EV thermal management systems, providing excellent heat transfer efficiency and freeze protection.
- High thermal conductivity
- Excellent freeze protection down to -20°C
- Corrosion inhibitors protect system components
- Compatible with copper, steel, and aluminum
- Long fluid lifespan in closed-loop systems
| Glycol Type | Ethylene Glycol |
|---|---|
| Concentration | 25% |
| Viscosity (20°C) | 10.40 cP |
| Thermal Conductivity | 0.1364 W/m·K |
| Applications | EV Thermal Management |
Motor & Inverter Cooling
Electric motors and power electronics generate significant heat during operation. Efficient cooling ensures optimal performance and extends component lifespan.
LM-8
Organic Salt-Based Heat Transfer Fluid
LM-8 provides reliable cooling performance for electric motors and inverters, with excellent low-temperature fluidity for cold climate applications.
- Temperature range: -50°C to 100°C
- Excellent thermal stability
- Environmentally friendly with high biodegradability
- Superior low-temperature fluidity
- Good corrosion protection
| Temperature Range | -50°C ~ 100°C |
|---|---|
| Composition | Organic Salt-Based |
| Key Feature | Cold Climate Performance |
| Applications | Motor Cooling |
LM-14C Series
Polyfluorinated Compound Heat Transfer Fluid
The LM-14C Series offers exceptional performance for power electronics cooling with non-flammable properties and 55kV dielectric strength.
- Non-flammable with zero flash point
- 55kV dielectric strength
- Temperature range: -110°C to 135°C
- Low viscosity for excellent flow
- Compatible with metals and plastics
| Temperature Range | -110°C ~ 135°C |
|---|---|
| Composition | Polyfluorinated Compounds |
| Dielectric Strength | 55 kV |
| Applications | Power Electronics |
Fuel Cell Systems
Fuel cell electric vehicles (FCEVs) require precise thermal management to maintain optimal stack temperatures between 65°C and 80°C for PEM fuel cells.
LM-4B
Versatile Fuel Cell Coolant
The LM-4B provides excellent versatility for fuel cell applications with high specific heat capacity, low electrical conductivity, and outstanding corrosion protection.
- Operating range: -20°C to 95°C
- High specific heat capacity
- Low electrical conductivity
- Outstanding corrosion protection
- Food-grade certification
| Temperature Range | -20°C ~ 95°C |
|---|---|
| Composition | Modified Triol-Based |
| Key Feature | Fuel Cell Versatility |
| Applications | PEM Fuel Cells |
LM-8
Extreme Temperature Performance
LM-8 offers exceptional cold-start performance for FCEVs operating in challenging environments, with reliable performance from -50°C.
- -50°C to 100°C operating range
- Excellent cold-start performance
- Environmentally friendly
- Good thermal stability
- Superior low-temperature fluidity
| Temperature Range | -50°C ~ 100°C |
|---|---|
| Composition | Organic Salt-Based |
| Key Feature | Cold Climate FCEV |
| Applications | FCEV Thermal Management |
Cabin Climate Control
EV cabin heating and cooling systems require efficient thermal management to minimize energy consumption while maintaining passenger comfort.
LM-4ABG
Propylene Glycol-Based Heat Transfer Fluid
LM-4ABG is a food-grade propylene glycol coolant suitable for EV cabin climate control systems, providing efficient heating and cooling.
- Food-grade propylene glycol formulation
- Temperature range: -30°C to 100°C
- Non-toxic and environmentally safe
- Good corrosion protection
- Compatible with HVAC systems
| Temperature Range | -30°C ~ 100°C |
|---|---|
| Composition | Propylene Glycol-Based |
| Certification | Food-Grade |
| Applications | Cabin Climate Control |
LM-14C Series
Polyfluorinated Compound Heat Transfer Fluid
LM-14C Series provides non-flammable, high-dielectric cooling for power electronics and motor controllers, ensuring electrical safety and optimal performance under demanding conditions.
- Non-flammable with zero flash point
- Excellent electrical insulation
- Environmentally friendly (ODP=0, GWP=7)
- Wide temperature range: -110°C to 135°C
- Low viscosity for excellent flow
| Temperature Range | -110°C ~ 135°C |
|---|---|
| Composition | Polyfluorinated Compounds |
| Dielectric Strength | 55 kV |
| Applications | Power electronics |
EV Thermal Management Process
Battery Pack
Battery cells generate heat during discharge
Power Electronics
Inverter and controller convert DC to AC
Coolant Loop
Heat transfer fluid circulates through system
Motor
Electric motor generates mechanical power
Temperature Control
Optimal operating temperature maintained
EV Thermal Management Architecture
Battery Cooling Layer
Direct liquid cooling with LM-4D ensures uniform temperature distribution across battery modules, preventing hotspots and extending battery lifespan by 40%.
Power Electronics Layer
LM-14C Series provides non-flammable, high-dielectric cooling for inverters and motor controllers, ensuring electrical safety and performance.
Climate Control Layer
LM-4ABG and LM-4B work together for efficient cabin heating/cooling, reducing energy consumption and improving driving range.
Case Studies
FAW Automotive Components - Vehicle Thermal Management
BYD Auto - Blade Battery Thermal Management
Ready to Optimize Your EV Thermal Management?
Glacier Coolant provides comprehensive thermal management solutions for electric vehicles. Our team of engineers can help you select the right heat transfer fluid for your specific application requirements.
Post time: Jul-25-2026




