Vinyl sulfate is mainly used as an electrolyte additive for lithium-ion batteries, which can effectively improve battery cycle times and charge-discharge performance, as well as increase the initial discharge capacity of batteries.
Ethylene Sulfate（DTD）
Synonyms：1,3,2-Dioxathiolane 2,2-dioxide; 1,2-Ethylene sulfate
CAS No.：1072-53-3
EINECS No.：600-809-4
Molecular Formula：C2H4O4S
Molecular Weight：124.1158
Structure Formula：
Standard：
|
Items |
Specifications |
|
Appearance |
White crystals or crystalline powder |
|
Color（APHA） |
≤50 |
|
Purity（GC） |
≥99.95% |
|
Water（Karl-Fischer） |
≤200ppm |
|
Acidity（as HF） |
≤250ppm |
Properties：It is a white crystal or crystalline powder, with light-brown or brown color if impure. It is easily hydrolyzed in humid air and has strong acidity. It is unstable to heat. Density: 1.604 g/cm3, Melting point: 95.0~97.0℃, Boiling point: 231℃.
Uses：Ethylene sulfate is a film forming additive for lithium ion battery. It can inhibit the decline of the battery‘s initial capacity, increase the initial discharge capacity, reduce the expansion of the battery after storing at high temperature, improve the battery charge and discharge performance and cycle times.
Storage：It should be kept in a closed container and stored in a cool, ventilated and dry place. Keep away from heat and fire sources and avoid direct light.
The recommended storage temperature ranges from 2°C to 8°C. Shelf life is 3 about months.
Packing：This product is packed in a high-density polyethylene bottle, plus vacuum aluminum foil bag, net weight of each bottle is 5kg.
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