Abstract
Sandwich-like V2O5/graphene mesoporous composite has been synthesized by a facile solvothermal approach. The crystalline structure, morphology, and electrochemical performance of the as-prepared materials have been investigated in detail. The results demonstrate that the 30-50 nm V2O5 particles are homogeneously anchored on conducting graphene sheets, which allow the V2O5 nanoparticles to be wired up to a current collector through the underlying conducting graphene layers. As an anode material for lithium ion batteries, the composite exhibits a high reversible capacity of 1006 mAh g-1 at a current density of 0.5 A g-1 after 300 cycles. It also exhibits excellent rate performance with a discharge capacity of 500 mAh g-1 at the current density of 3.0 A g-1, which is superior to the performance of the vanadium-based materials reported previously. The electrochemical properties demonstrate that the sandwich-like V2O5/graphene mesoporous composite could be a promising candidate material for high-capacity anode in lithium ion batteries. © 2015 American Chemical Society.
| Original language | English |
|---|---|
| Pages (from-to) | 11799-11806 |
| Journal | Inorganic Chemistry |
| Volume | 54 |
| Issue number | 24 |
| DOIs | |
| Publication status | Published - 21 Dec 2015 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.Funding
This work was supported by the National Natural Science Foundation of Xinjiang (2015211C286 and 2013211A004), the Program for New Century Excellent Talents in University (NCET-12-1076), the National Natural Science Foundation of China (21161021, 21466036, 21271151, and 21361024), and the Young Scholar Science Foundation of Xinjiang Educational Institutions (XJEDU2014S013).
