推荐产品
等级
battery grade
质量水平
方案
≥99%
表单
liquid
环保替代产品特性
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
杂质
≤100 ppm HF
≤200 ppm H2O
沸点
58 °C
mp
-86 °C (lit.)
密度
1.21 g/mL
应用
battery manufacturing
环保替代产品分类
SMILES字符串
FC(F)(OCC)C(F)F
InChI
1S/C4H6F4O/c1-2-9-4(7,8)3(5)6/h3H,2H2,1H3
InChI key
HBRLMDFVVMYNFH-UHFFFAOYSA-N
一般描述
Ethyl 1,1,2,2-tetrafluoroethyl ether (ETFE) is a fluorinated linear ether that has several key properties that make it useful in batteries. First, ETFE is miscible with many polar organic solvents used in electrolyte formulations, which improves the ionic conductivity of the battery. Additionally, ETFE has a relatively low viscosity (486 mPa•s at 23 °C) and a low boiling point (58 °C), which make it a versatile diluent for low-temperature applications. Our battery grade ETFE is manufactured with high purity and low trace impurities of water and acid.
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应用
Ethyl 1,1,2,2-tetrafluoroethyl ether (ETFE) is a highly effective additive in lithium-ion batteries and sodium-ion batteries for improving battery performance, increasing safety, and reducing flammability. ETFE is a versatile co-solvent with high miscibility, which allows it to be blended with other solvents to achieve high ionic conductivities. It is also a good SEI-forming electrolyte additive, stabilizing the Na electrode surface and enhancing the stability of high-voltage batteries. ETFE is particularly useful as an electrolyte co-solvent in lithium-sulfur (Li-S) batteries. Studies have shown that ETFE-containing electrolytes improve the stability of the electrolyte/anode interface and enhance the cycling, rate, and self-discharging of the Li-S cell more than glyme-based cosolvents or unblended solvents. With its unique properties and proven effectiveness, battery-grade ETFE is an excellent choice for manufacturers looking to create high-performing, reliable, and safe lithium-ion and sodium-ion batteries.
警示用语：
Danger
危险声明
危险分类
Flam. Liq. 2
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
5.0 °F
闪点(°C)
-15 °C
Synthesis and electrochemical properties of partially fluorinated ether solvents for lithium sulfur battery electrolytes,
Yue , et al.
Journal of Power Sources, 401, 271-277 (2018)
Lithium/sulfur batteries with mixed liquid electrolytes based on ethyl 1,1,2,2-tetrafluoroethyl ether,
Hai, et al.
Electrochimica Acta, 161, 55-62 (2015)
Nasim Azimi et al.
ACS applied materials & interfaces, 7(17), 9169-9177 (2015-04-14)
A high performance Li-S battery with novel fluoroether-based electrolyte was reported. The fluorinated electrolyte prevents the polysulfide shuttling effect and improves the Coulombic efficiency and capacity retention of the Li-S battery. Reversible redox reaction of the sulfur electrode in the
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