Description
ATOMFAIR® FLUOROETHYLENE CARBONATE (FEC)RESEARCH GRADE MATERIAL
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Storage above 18°C is required to maintain the liquid state and prevent crystallization. The compound is combustible with a flash point of 120°C and must be kept away from ignition sources.
- Thermal Stability and Storage: Store the material in a sealed container at temperatures exceeding 18°C to avoid solidification.
How does the ~18°C melting point of FEC affect its performance in low-temperature battery formulations?
The ~18°C melting point of FEC imposes a phase change risk in cold environments, potentially causing precipitation or inhomogeneous mixing in electrolytes intended for low-temperature operation. This requires controlled storage above 18°C or pre-warming prior to formulation to maintain a consistent liquid state for accurate blending. The product description explicitly notes that fluid handling criteria must compensate for ambient variations to ensure consistent quantitative blending parameters.
What are the critical compatibility considerations when integrating FEC as a co-solvent into carbonate-based electrolyte systems?
FEC functions optimally as a co-solvent in carbonate-based electrolyte systems where its fluorine-containing structure enables the formation of a thin, stable SEI layer on anodes. The key integration constraint is maintaining proportions that leverage its high-voltage oxidation resistance without compromising overall electrolyte conductivity, as the description specifies its suitability for high-voltage systems and low-temperature performance improvement. No specific salt compatibility data is provided, so empirical validation with LiPF6-based electrolytes is recommended.
What handling, storage, and safety precautions are required for FEC given its melting point of ~18°C and flash point of 120°C?
FEC must be stored and handled above its ~18°C melting point to prevent solidification and ensure homogeneous liquid blending, with ambient variations explicitly requiring compensating fluid handling measures in the product description. Standard flammable liquid safety protocols apply given its 120°C flash point, and the material should be kept away from ignition sources. The boiling point of 249°C indicates thermal stability under normal conditions, but no specific storage temperature range is stated beyond the melting point warning.
This 99.95% pure fluoroethylene carbonate additive enables stable SEI formation and high-voltage compatibility for Li-ion electrolyte research, though its ~18°C melting point requires ambient temperature control during handling and blending.
Positive
- High Purity Grade (99.95%): 3N5 purity minimizes trace contaminants, ensuring reproducible SEI layer formation and reliable electrochemical performance in research-grade electrolyte formulations.
- Stable SEI Layer Formation: The fluorine-containing molecular structure facilitates a thin, highly protective solid electrolyte interface film on anode surfaces, enhancing cycle efficiency and discharge capacity retention.
Trade-offs
- Melting Point Sensitivity: With a melting point of ~18°C, the material may solidify under typical ambient laboratory conditions, requiring heated storage or transfer lines to maintain liquid state for accurate dosing.
- Handling Compensation Required: Fluid handling procedures must compensate for ambient temperature variations to avoid inconsistent blending parameters, as noted in the product's important handling notice.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
