Propylene carbonate (PC) is another important cyclic carbonate solvent in Lithium-ion Batteries (LIB) electrolytes. This carbonate improves the high-temperature performance of LIB, but more PC deteriorates the cycling and rate capability of LIB due to its incompatibility with the graphite. Similar to ethylene carbonate, PC has a high boiling point, high viscosity, and high dielectric constant. The viscosity of PC is the highest among commonly used organic carbonates, which lowers the ionic mobility and conductivity of the electrolyte. Therefore, Propylene Carbonate takes less than 5% by w in most commercial LIB electrolytes. It is not a necessary component in LIB electrolytes.
Specifications:
| Chemical Name | Propylene carbonate |
| CAS# | 108-32-7 |
| Molecular formula | C4H6O3 |
| Assay | >99.9% |
| Moisture | <100ppm |
| Acid | N/A |
| Molecular weight | 102.09 |
| Melting point | -55 Degree C |
| Boiling point | 240 Degree C (lit.) |
| Density | 1.204g/mL |
| Flash point | 270 Degree F |
| Form | clear liquid |
| Color | colorless, clear |
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Caution
This electrolyte solution or lithium salt sample is packaged in fluorinated HDPE/aluminum bottles with moisture strictly controlled (normally less than 20 ppm). The bottle is tightly closed and sealed with an aluminum bag. Please handle and store it in a glovebox with an inert atmosphere or a dry room. Avoid high-temperature heating or igniting. LIB electrolyte should be stored in a PE or Teflon (PTFE) sample bottle but not a glass bottle.
Lithium electrolyte materials are very sensitive, even sealed and stored in an inert atmosphere. We suggest replacing the electrolyte with fresh samples every six months.
Availability
Landt Instruments partners with leading suppliers of Lithium-ion Battery Electrolyte manufacturers in China to provide fresh LIB electrolyte samples. Most of the products are freshly blended and packaged. The raw materials are also used for xEV battery manufacturing. The typical lead time is two weeks, and delivery takes about a week for North American customers. International shipping is available. The estimated delivery date will be sent when the order is confirmed.
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