| 초록 |
Graphite is the most commonly used anode material for Lithium ion batteries(LiBs) because of its stability and low volume variation. However, due to the low theoretical capacity, development of new anode material is indispensable. Although conversion reaction based metal oxides have high theoretical capacity, their large volume changes and low electronic conductivity decreases cycle ability of batteries. To overcome these drawbacks, we synthesize nanoporous structure with colloidal silica as a template. By introducing porous architecture, metal oxides could provide buffer space for volume expansion and enlarged surface area with simple synthesis and reasonable price. In addition, the hybrid configuration in electrode materials is expected to retain the advantages of each component and provide synergetic effects with physical stability. In this work, hybridized nanoporous metal oxides were successfully synthesized by straightforward synthesis method and tested as anode materials. |
