Table 1 |
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| Silicon-based powders/material used in the study | ||||||
| Silicon-based powder | Details | D10 (μm) | D50 (μm) | D90 (μm) | Pore volume (ml/g) | Shape |
| Solid silicon (Si) | Metallurgical grade (Sigma-Aldrich Corporation, St. Louis, MO, USA – 99% purity) | 4 | 12 | 27 | 0 | Acicular |
| Solid Silicon (Si) | Metallurgical grade (Elkem AS Silicon materials. Norway, >99%) | 2 | 4 | 9 | 0 | Acicular |
| Oxidised porous silicon (OpSi) | Oxidation of milled powder (from anodised membrane) at 600°C (pSiMedica Ltd., Malvern, Worcestershire, UK) | 0.4 | 4 | 12 | 0.55 | Acicular |
| Oxidised porous silicon (OpSi) | Oxidation of milled powder (from anodised membrane) at 600°C (pSiMedica Ltd). | 3 | 23 | 120 | 0.55 | Acicular |
| Porous silica (pSiO2) | Silica gel (Silicycle S100007B, Silicycle Inc. Quebec City, Quebec, Canada) | 3 | 11 | 18 | 0.78 | Spherical |
| Porous silica (pSiO2) | Silica gel (Davisil LC250) | 85 | 134 | 194 | 1.85 | Acicular |
Shabir et al. Nanoscale Research Letters 2012 7:407 doi:10.1186/1556-276X-7-407
