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Ecovia specializes in high-performance lithium-ion battery electrolyte additives including fluoroethylene carbonate (FEC) [CAS 114435-02-8].FEC's unique properties to enhance electrolyte stability and SEI film formation in lithium-ion batteries. Through innovative synthesis of this halogenated carbonate derivative, addresses critical challenges in energy density retention and cycle life extension, particularly for high-voltage NMC and silicon-anode battery systems. Their FEC products (purity ≥99.95%) demonstrate exceptional thermal stability up to 200°C, making them essential for next-generation EV batteries and grid-scale energy storage solutions in China's rapidly expanding new energy market.
Basic information | |
Product Name | Fluoroethylene carbonate |
Synonyms | 4-Fluoro-1,3-dioxolan-2-one;FEC |
CAS | 114435-02-8 |
Molecular Formula | C₃H₃FO₃ |
Molecular Weight | 106.05 |
EINECS | 483-360-5 |
Chemical Properties | |
Melting point | 18-23 °C |
Boiling point | 212℃ |
Density | 1.454 |
Storage temp | 2-8°C |
Solubility | Slightly miscible with water. |
Form | Liquid |
Color | Colorless |
Safety Information | |
Hazard Codes | Xn |
Risk Statements | 22-36/38-43-48/22 |
Safety Statements | 26-36/37 |
WGK Germany | 1 |
4-Fluoro-1,3-dioxolan-2-one is used as an electrolyte additive in lithium ion batteries. It also enables the formation of thin, smooth and stable passive solid electrolyte interphase (SEI) layer, which increases the cycling efficiency and discharge capacity retention of the secondary battery. Further, it is used as an intermediate in organic synthesis.
A Ecovia é especializada em aditivos de alto desempenho para electrólitos de baterias de iões de lítio, incluindo o carbonato de fluoroetileno (FEC) [CAS 114435-02-8]. As propriedades únicas do FEC melhoram a estabilidade do eletrólito e a formação de película SEI nas baterias de iões de lítio. Através da síntese inovadora deste derivado de carbonato halogenado, aborda desafios críticos na retenção da densidade energética e na extensão do ciclo de vida, particularmente para sistemas de baterias de alta tensão NMC e de ânodo de silício. Os seus produtos FEC (pureza ≥99,95%) demonstram uma estabilidade térmica excecional até 200°C, o que os torna essenciais para as baterias EV da próxima geração e soluções de armazenamento de energia à escala da rede no novo mercado de energia em rápida expansão da China.
Dimethyl Carbonate (DMC for short) is a colorles
Triflic acid has significant advantages over sul
Purifying Tf2O is crucial to ensure its effectiv
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