Silicon Powder (CAS 7440-21-3): Ultimate User Guide
Table of Contents
1. Product Specifications & Comparison
| Parameter | Silicon Powder (7440-21-3) | Graphite Powder | SiO₂ Powder |
|---|---|---|---|
| Purity | 99.9%-99.999% | 95%-99.5% | 99.0%-99.9% |
| Particle Size | 50nm-100μm | 1-50μm | 0.5-10μm |
| Electrical Conductivity | Semiconductor | Conductor | Insulator |
2. Industrial Applications
2.1 Electronics Industry
Primary uses in semiconductor manufacturing:
- Wafer production
- Photovoltaic cells
- Microelectronics packaging
2.2 Energy Storage
Critical component for:
- Lithium-ion battery anodes
- Solid-state batteries
- Fuel cell components
3. Usage Guidelines
| Application | Recommended Grade | Processing Temperature |
|---|---|---|
| Semiconductor | 5N-7N purity | 1,200-1,400°C |
| Battery Anode | 4N purity | 600-800°C |
4. Case Study: Semiconductor Manufacturing
Client: ABC Semiconductor Co., Ltd.
Challenge: Required ultra-high purity Si powder for 5nm chip production
Solution: Supplied 7N purity powder with D50=850nm
Results: 18% yield improvement in wafer production
5. Case Study: Lithium-Ion Battery Production
Client: XYZ Energy Solutions
Requirement: Silicon-carbon composite anode material
Implementation: Custom 200nm particle size Si powder
Performance: 4200mAh/g capacity achieved
6. Request Custom Quote
Contact our material engineers for technical specifications:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Request Form Fields:
- Required purity level
- Particle size distribution
- Monthly consumption
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