Thermal Runaway Inhibitor (FR Electrolyte Additive)
Thermal runaway inhibitor (TRI) is a proprietary phosphorus/fluorine-containing flame-retardant electrolyte additive blend designed to interrupt the chain reaction during lithium-ion battery thermal runaway events, increasing the time-to-vent and reducing peak temperature and heat release rate. Suitable for grid-scale ESS and EV battery packs where thermal management is critical.
Technical Specifications
| appearance | Colorless to pale yellow liquid |
| purity (%) | ≥98.0 |
| F content (%) | ≥5 |
| P content (%) | ≥10 |
| moisture (ppm) | ≤100 |
| flash point (°C) | non-flammable |
Applications
- Grid-scale ESS battery pack thermal safety additive
- EV large-format pouch cell flame-retardant electrolyte
- High-nickel NMC thermal runaway mitigation
- Cylindrical cell pack passive safety enhancement
- Fire safety improvement in lithium primary batteries
Key Features
- Interrupts combustion chain reaction through gas-phase radical quenching mechanism
- Delays time-to-vent by 30–120 seconds in nail penetration and overcharge abuse tests
- Compatible with LiPF6 electrolyte systems at 5–15 vol% without significant capacity loss
- Reduces peak heat release rate by >40% versus standard carbonate electrolyte
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