| 초록 |
Lithium ion battery (LIB) have been gathered vigorous attention along to progress of portable electronic devices and needs to use eco-friendly energy. Among various challenging aspects for versatile utilization of LIB, it is the most requested point to increase the energy density of LIB which could be achieved to be stored in LIB. In the aspect for solution of this challenge, SiOx has been considered as next-generational anode material owing to its high capacity and stability. Although SiOx has diverse advantages for application to anode of LIB, SiOx also indicates performance degradation due to its poor electrical/ionic conductivity and reactivity of amorphous silica in SiOx. Herein, we analyzed microscopic structural changes of SiOx involved in performance degradation at specific cycles, and suggest the structural degradation mechanisms of SiOx and the direction for preventing SiOx from structural performance degradation through analysis of component changes as cycles. |
