Products Description
Enhancing battery safety: TFEC is an efficient flame retardant. By simply adding a certain proportion to the electrolyte, it can make the electrolyte possess flame-retardant or even non-flammable properties, thereby significantly reducing the risk of lithium-ion batteries catching fire and exploding due to thermal runaway.
Products Specification
| Product name | TFEC/Bis (2,2,2‑trifluoroethyl) carbonate |
| CAS NO | 1513-87-7 |
| ITEM NO | M187 |
| Appearance | Transparent liquid |
| Purity | 99% |
| Boiling point | 118°C(lit.) |
| Refractive index | 1.3120 to 1.3160 |
| Specific Gravity (20/20℃) | 1.507~1.511 |
| Package | 10mg/10g/100g etc. |
| Delivery | 2-3days |
| Storage | room temperature |
| MSDS/COA/TDS | Connect us |
| Water | ≤50ppm |
| Chloride (Cl) | ≤1ppm |
| Sulfate (SO4) | ≤1ppm |
| Sodium (Na) | ≤1ppm |
| Potassium (K) | ≤1ppm |
| Calcium (Ca) | ≤1ppm |
Products Application
New‑energy battery industry: Electrolyte additive for Li‑ion & Li‑metal batteries, improve high‑voltage/high‑temperature cycle performance and flame‑retardant safety.

FAQ
Q: What benefits does TFEC bring to lithium‑ion battery electrolyte?
A: It forms LiF‑rich SEI film, improves high‑voltage & high‑temperature cycle performance and offers flame‑retardant property.
Q: Is TFEC flammable? What are its storage requirements?
A: It is flammable liquid. Keep sealed in cool, dry and ventilated place, away from heat and fire source.
Q: Can you supply samples and provide MSDS & COA?
A: Sample is available, MSDS and COA can be offered on request.
Q: What kind of battery systems is TFEC suitable for?
A: Suitable for high‑voltage lithium‑ion battery, lithium‑metal battery system.
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