In this section, you can access to the latest technical information related to the FUTURE project topic.

Hierarchical Co2P microspheres assembled from nanorods grown on reduced graphene oxide as anode material for Lithium-ion batteries

Transition metal phosphides (TMPs) have been studied as promising electrodes for energy storage and conversion due to their large theoretical capacities and high activities. Herein, a hierarchically structured Co2P coupling with the reduced graphene oxide (RGO) composite (Co2P/RGO) was synthesized by a simple solid state method for Li storage. The Co2P/RGO hybrid composite exhibits a high reversible capacity of 61?mAh?g?1 at 60?mA?g?1, good rate capability of 327?mAh?g?1 at 3000?mA?g?1 and long cycle life (397?mAh?g?1 at 500?mA?g?1 for after 1000 cycles). The excellent electrochemical performance can be attributed to the synergistic effect of Co2P micro/nano architecture and graphene modulation, which provide more activity sites for Li+-ions and maintain the structural integrity of active material. This work may provide a new path for preparation of other metal phosphides as potential electrode materials for application in energy storage fields.

» Author: Chi Zhang, Guanghua Jiao, Fanjun Kong, Jian Wang, Shi Tao, Lei Zhang, Bin Qian, Yimin Chao

» Reference: 10.1016/j.apsusc.2018.08.043

» Publication Date: 30/11/2018

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