▎ 摘　　要

Strongly coupled FeP@reduced graphene oxide (FeP@rGO) nanocomposites are synthesized by low-temperature phosphorization of alpha-FeOOH@graphene oxide (alpha-FeOOH@GO). The introduced graphene sheets not only effectively buffer the volume change during lithiation/delithiation, but also largely facilitate the ionic/electron diffusion kinetics. When used as anode materials for lithium-ion batteries (LIBs), FeP@rGO nanocomposites show excellent electrochemical performance. Among them, FeP@rGO nanocomposite prepared with the mass ratio of 1: 5 (graphene oxide to FeCl3 center dot 6H(2)O) shows the best lithium storage properties. It delivers a reversible discharge capacity of 1000 mA h g(-1) at 100 mA g(-1) after 100 cycles, as well as an ultra-stable capacity of 460 mAh g(-1) at 1000 mA g(-1) for 400 cycles. The outstanding lithium storage performance of FeP@rGO nanocomposites opens venues for the potential applications of advanced LIBs. (C) 2017 Elsevier B.V. All rights reserved.