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Three-Dimensional Porous Silicon Particles for Use in High-Performance Lithium Secondary Batteries
- Authors
- Kim, Hyunjung; Han, Byunghee; Choo, Jaebum; Cho, Jaephil
- Issue Date
- Dec-2008
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- anode materials; gels; lithium; nanostructures; silicon
- Citation
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.47, no.52, pp 10151 - 10154
- Pages
- 4
- Journal Title
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
- Volume
- 47
- Number
- 52
- Start Page
- 10151
- End Page
- 10154
- ISSN
- 1433-7851
1521-3773
- Abstract
- (Figure Presented) Particle-larly good! Thermal annealing and etching of physical composite butyl-capped Si gels and SiO2 nanoparticles at 900°C under an Ar atmosphere is a versatile method for the formation of 3D porous bulk Si particles (see picture). Complete etching of the SiO2 from the SiO2/carbon-coated Si (c-Si) composite results in the retention of the remaining c-Si as a highly porous but interconnected structure, which preserves the starting morphology. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
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