An　Fe3O4-FeO-Fe@C　composite　material　has　been　successfully　synthesized　by　a　one-pot　hydrothermal　method　without　any　templates　and　a　sequential　heat　treatment　process.　X-ray　diffraction,　Raman　spectrometry,　scanning　electron　microscopy　with　energy　dispersive　spectroscopy,　transmission　electron　microscopy　and　galvanostatic　cell　cycling　have　been　used　to　characterize　the　structure　and　electrochemical　performance　of　the　as-prepared　Fe3O4-FeO-Fe@C　composite.　The　electrode　shows　a　stable　and　reversible　capacity　of　over　600　mAh　g(-1)　at　a　current　of　53　mA　g(-1)　fo(C)c　2011　Elsevier　B.V.　All　rights　reserved.