3 years ago

Generalized Synthesis of Metal Oxide Nanosheets and Their Application as Li-Ion Battery Anodes

Generalized Synthesis of Metal Oxide Nanosheets and Their Application as Li-Ion Battery Anodes
Yue Yu, Jinhua Yang, Ayman A. AbdelHamid, Jackie Y. Ying
Metal oxide nanosheets have attracted great attention in various fields, such as energy storage, catalysis, and sensors. Current synthesis methods of metal oxide nanosheets are laborious and not scalable. Herein, a facile and scalable method for the synthesis of metal oxide nanosheets is presented, which requires neither hydro-/solvothermal conditions nor postsynthesis template removal. The synthesis is versatile, as evidenced by the wide variety of metal oxide nanosheets derived. Nanosheet properties such as crystallinity, crystallite size, and carbon content can be controlled by tuning the synthesis conditions. The metal oxide nanosheets demonstrate promising performance as Li-ion battery anodes. Metal oxide nanosheets are synthesized using a graphene oxide planar-confined growth strategy, which employs graphene oxide sheets as 2D templates. The synthesis method is general and versatile, as demonstrated by the wide range of oxides and doped oxides created, and the controllable properties. The oxide nanosheets have very promising performance as Li-ion battery anodes.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/adma.201701427

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