Antimony (IV) Oxide Nanorods/Reduced Graphene Oxide as the Anode Material of Sodium-ion Batteries with Excellent Electrochemical Performance

作者：Wang, Gui-Zhi; Feng, Jian-Min^*; Dong, Lei; Li, Xi-Fei; Li, De-Jun^*

来源：Electrochimica Acta, 2017, 240: 203-214.

DOI：10.1016/j.electacta.2017.04.088

• Sb2O4
• Reduced graphene oxide
• Nanorods
• Sodium ion batteries

Sodium-ion batteries (SIBs) have attracted lots of significant interests, arising from in regard to the development of developing a low-cost energy storage system for renewable energy. Antimony-based materials with that have high theoretical storage capacities of Na+ have become one of the most focused SIB anode materials. Among of which, Sb2O4 has a higher and thus superior Na+ storage capacity of 1227 mAh g(-1) compared to other antinomy-based materials. In this work, one simple solvothermal process has been developed to prepare Sb2O4/reduced graphene oxide (Sb2O4/RGO) composites with a nanostructure of Sb2O4 nanorods anchored on RGO. Sb2O4/RGO shows an obviously enhanced electrochemical performance with an initial Na+ storage capacity of 842 +/- 5 mAh g(-1), a rechargeable capacity of 551 +/- 5 mAh g(-1) at 50 mA g(-1) after 100 cycles and an excellent rate performance of 401 +/- 5 mAh g(-1) at 1 Ag-1.

• 出版日期2017-6-20
• 单位天津师范大学