▎ 摘　　要

Pulsed laser deposition technique was used to deposit Cr2O3 nanostructured thin film on a chemical vapor deposited few-layer graphene (FLG) on nickel (Ni) substrate for application as anode material for lithium-ion batteries. The experimental results show that graphene can effectively enhance the electrochemical property of Cr2O3. For Cr2O3 thin film deposited on Ni (Cr2O3/Ni), a discharge capacity of 747.8 mA h g(-1) can be delivered during the first lithiation process. After growing Cr2O3 thin film on FLG/Ni, the initial discharge capacity of Cr2O3/FLG/Ni was improved to 1234.5 mA h g(-1). The reversible lithium storage capacity of the as-grown material is 692.2 mA h g(-1) after 100 cycles, which is much higher than that of Cr2O3/Ni (111.3 mA h g(-1)). This study reveals the differences between the two material systems and emphasizes the role of the graphene layers in improving the electrochemical stability of the Cr2O3 nanostructured thin film. (C) 2015 Elsevier B.V. All rights reserved.