Table 1

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.

Shabir et al. Nanoscale Research Letters 2012 7:407   doi:10.1186/1556-276X-7-407

Open Data