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- Title
Mn<sub>2</sub>Sb<sub>2</sub>O<sub>7</sub>/Reduced Graphene Oxide Composites with High Capacity and Excellent Cyclic Stability as Anode Materials for Lithium‐Ion Batteries.
- Authors
Jiao, Xun; Xi, Guocui; Zeng, Tianbiao; Zhou, Lang; Li, Gang; Zhou, Yongjin; Zhou, Guangpeng; Hu, Xuebu
- Abstract
For the advancement of lithium‐ion batteries (LIBs), metal oxides with high theoretical specific capacities have been explored as anodes. Herein, we report a new metal oxide, Mn2Sb2O7‐anchored reduced graphene oxide (Mn2Sb2O7/RGO), as an advanced anode for LIBs. The Mn2Sb2O7/RGO anode exhibits a higher capacity and better capacity retention compared to Mn2Sb2O7, because the close contact between Mn2Sb2O7 and RGO facilitates charge transfer during cycling. The discharge capacity of Mn2Sb2O7/RGO reaches 706.72 mAh g−1 at 200 mA g−1 after 200 cycles. Even at 1000 mA g−1, the capacity loss per cycle of Mn2Sb2O7/RGO is only 0.0344 % for 600 cycles, indicating an excellent high‐rate cyclic stability compared to other Sb‐based oxides. These results forecast that Mn2Sb2O7/RGO is a potential anode for LIBs, providing a new insight into the selection of high‐performance anodes.
- Subjects
GRAPHENE oxide; LITHIUM-ion batteries; TRANSITION metal oxides; ANODES; METALLIC oxides; CHARGE transfer; MATERIALS
- Publication
ChemElectroChem, 2019, Vol 6, Issue 20, p5331
- ISSN
2196-0216
- Publication type
Article
- DOI
10.1002/celc.201901493