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HomeProduct name listEthylene Glycol Bis(propionitrile) Ether

Ethylene Glycol Bis(propionitrile) Ether

  • CAS NO.:3386-87-6
  • Empirical Formula: C8H12N2O2
  • Molecular Weight: 168.19
  • MDL number: MFCD00019871
  • EINECS: 222-208-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-19 15:17:17
Ethylene Glycol Bis(propionitrile) Ether Structural

What is Ethylene Glycol Bis(propionitrile) Ether?

What are the applications of Application

Ethylene glycol bis (propionitrile) ether (EGBE) is used as an electrolyte additive to improve the cycling stability and rate capability of Li/Li1.2Mn0.54Ni0.13Co0.13O2 cells at high operating voltage (4.8 V). After 150 cycles, cells with 1.0 wt% of EGBE-containing electrolytes have remarkable cycling performance and 89.0% capacity retention, while the cells with baseline electrolytes only remain at 67.4% capacity retention. EGBE preferably oxidizes on the cathode surface compared to the LiPF6/carbonate electrolyte. The improved cycling performance can be attributed to more stable and robust surface layer yield via the incorporation of EGBE, which mitigates the oxidation of electrolytes on the cathode electrode and inhibits the dissolution of bulk transition metal ions upon cycling at high voltage[1].

Synthesis

The preparation method of ethylene glycol bis (propionitrile) ether is as follows: with ethylene glycol and acrylonitrile as reaction raw materials, reaction under the catalysis of reaction temperature 30 ℃~70 and aqueous catalyst solution generates ethylene glycol bis (propionitrile) ether. The described aqueous catalyst solution is the compound base catalyst aqueous solution, and this compound base catalyst aqueous solution is mixed with a triethyl benzyl ammonium hydroxide aqueous solution and sodium hydrate aqueous solution.

References

[1] Pengbo Hong . “Effect of ethylene glycol bis (propionitrile) ether (EGBE) on the performance and interfacial chemistry of lithium-rich layered oxide cathode.” Journal of Power Sources 329 (2016): Pages 216-224.

Properties of Ethylene Glycol Bis(propionitrile) Ether

Boiling point: 165 °C / 5mmHg
Density  1,07 g/cm3
refractive index  1.4470 to 1.4510
EPA Substance Registry System Propanenitrile, 3,3'-[1,2-ethanediylbis(oxy)]bis- (3386-87-6)

Safety information for Ethylene Glycol Bis(propionitrile) Ether

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H301:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313:IF SKIN irritation occurs: Get medical advice/attention.
P337+P313:IF eye irritation persists: Get medical advice/attention.
P405:Store locked up.

Computed Descriptors for Ethylene Glycol Bis(propionitrile) Ether

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