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Merck
모든 사진(2)

주요 문서

934046

Sigma-Aldrich

Ethyl 1,1,2,2-tetrafluoroethyl ether

greener alternative

≥99%, anhydrous, battery grade

동의어(들):

1,1,2,2-Tetrafluoroethyl ethyl ether, 1-Ethoxy-1,1,2,2-tetrafluoroethane, ETFE, HFE 374

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About This Item

실험식(Hill 표기법):
C4H6F4O
CAS Number:
Molecular Weight:
146.08
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.21

Grade

battery grade

Quality Level

분석

≥99%

양식

liquid

환경친화적 대안 제품 특성

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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불순물

≤100 ppm HF
≤200 ppm H2O

bp

58 °C

mp

-86 °C (lit.)

density

1.21 g/mL

응용 분야

battery manufacturing

환경친화적 대안 카테고리

SMILES string

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

일반 설명

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.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more information.

애플리케이션

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.

픽토그램

Flame

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

5.0 °F

Flash Point (°C)

-15 °C


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