Method for producing a precursor composition for producing a silicon carbide-containing material
A method for producing silicon carbide precursor compositions through carbohydrate and silicon dioxide mixing and pyrolysis addresses reactor clogging and purity issues, enabling efficient and scalable silicon carbide production.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- THE YELLOW SIC HLDG GMBH
- Filing Date
- 2026-01-14
- Publication Date
- 2026-07-23
AI Technical Summary
Existing methods for producing silicon carbide face challenges such as high waste generation, long processing times, difficulty in achieving high purity, and reactor clogging due to the formation of a caramel-like phase during pyrolysis, especially when using silicon dioxide with large particle sizes or small surface areas.
A method involving the production of a precursor composition by mixing carbohydrates with silicon dioxide, preferably pyrogenic silicon dioxide, and pyrolyzing the mixture at elevated temperatures without solvents, allowing for continuous or batch processing, and controlling the carbon-to-silicon ratio to achieve high purity silicon carbide.
Enables cost-effective, scalable, and reproducible production of high-purity silicon carbide with reduced impurities, avoiding reactor clogging and extending equipment lifespan.
Smart Images
Figure EP2026050848_23072026_PF_FP_ABST