Description

Description

Vinylene Carbonate (CAS 872-36-6) is a high-purity, cyclic carbonate compound with the molecular formula C₃H₂O₃, also known by its IUPAC name 1,3-dioxol-2-one. This colorless to pale-yellow liquid is a critical electrolyte additive in advanced lithium-ion battery systems, renowned for its ability to enhance anode stability and cycle life. Its unique vinylene group enables polymerization on electrode surfaces, forming a robust solid-electrolyte interphase (SEI) layer that minimizes electrolyte decomposition and improves high-temperature performance. Vinylene carbonate is synthesized under stringent quality controls to ensure >99% purity, making it ideal for research and industrial applications in energy storage. Packaged under inert gas to prevent moisture absorption, it is compatible with organic solvents such as ethylene carbonate (EC) and dimethyl carbonate (DMC).

Application

Vinylene carbonate is a pivotal additive in lithium-ion battery electrolytes, where it polymerizes on anode surfaces (e.g., graphite or silicon) to form a stable SEI layer, reducing irreversible capacity loss. It significantly improves high-temperature performance by suppressing gas generation and electrolyte degradation. Researchers also utilize it to passivate silicon-based anodes, mitigating volume expansion issues. Its applications extend to next-generation batteries, including lithium-sulfur and solid-state systems.

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