Carbon layer encapsulated Fe3O4@Reduced graphene oxide lithium battery anodes with long cycle performance
Source abstract
Abstract
Abstract In this work, Fe3O4 was intercalated into reduced graphene oxide (rGO) and conductive carbon layers to form a three-dimensional (3D) sandwich-like C/Fe3O4/rGO composite material. The morphology was created via an efficient and simple solvothermal method. The double carbon layer not only suppresses the volume expansion of Fe3O4 during battery cycling, but also provides anelectron transport network for high rate applications. The C/Fe3O4/rGO composite exhibits excellent electrochemical performance (844 mAh g−1 at 0.2 A g−1 even after 300 cycles) and high-rate cyclic performance (363 mAh g−1 at 4 A g−1 after 300 cycles). Meanwhile, the C/Fe3O4/rGO composite shows obvious pseudocapacitance property (pseudocapacitance is 77% of the total capacity when scan rate is 5 mV s−1). These findings suggest that the C/Fe3O4/rGO composite may be used as a suitable anode material for lithium ion batteries (LIBs).
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Graphene research and applications · Supercapacitor Materials and Fabrication
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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