Hydrogen Silsequioxane-Derived Si/SiOx Nanospheres for High-Capacity Lithium Storage Materials
- Authors
- Park, Min-Sik; Park, Eunjun; Lee, Jaewoo; Jeong, Goojin; Kim, Ki Jae; Kim, Jung Ho; Kim, Young-Jun; Kim, Hansu
- Issue Date
- Jun-2014
- Publisher
- AMER CHEMICAL SOC
- Keywords
- anode; hydrogen silsesquioxane; lithium ion batteries; nanoparticles; silicon; silicon oxides
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.6, no.12, pp.9608 - 9613
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 6
- Number
- 12
- Start Page
- 9608
- End Page
- 9613
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159873
- DOI
- 10.1021/am5019429
- ISSN
- 1944-8244
- Abstract
- Si/SiOx composite materials have been explored for their commercial possibility as high-performance anode materials for lithium ion batteries, but suffer from the complexity of and limited synthetic routes for their preparation. In this study, Si/SiOx nanospheres were developed using a nontoxic and precious-metal-free preparation method based on hydrogen silsesquioxane obtained from sol gel reaction of triethoxysilane. The resulting Si/SiOx nanospheres with a uniform carbon coating layer show excellent cycle performance and rate capability with high-dimensional stability. This approach based on a scalable sol-gel reaction enables not only the development of Si/SiOx with various nanostructured forms, but also reduced production cost for mass production of nanostructured Si/SiOx.
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