Highly uniform and tight adhering of Fe3O4 particles on carbon fiber film（Fe3O4/CFF） is achieved through a simple in-situ thermal oxidation method. Particularly, 3D CFF with interconnected structure can shorten tran...Highly uniform and tight adhering of Fe3O4 particles on carbon fiber film（Fe3O4/CFF） is achieved through a simple in-situ thermal oxidation method. Particularly, 3D CFF with interconnected structure can shorten transfer path and buffer the volume expansion during charge-discharge cycling. Herein, the obtained Fe3O4/CFF anode exhibits a stable cycling performance and excellent high rate capability. The cell delivers a reversible capacity of 1 711 m A·g^（–1） at a current density of 100 m A·g^（–1） after 100 cycles. Even at a high rate density of 2 A·g^（–1）, the specific capacity also can maintain 1034 m A·g^（–1） after 100 cycles. The simplified fabrication is featured with low-cost and this binder-free perspective holds great potential in mass-production of high-performance metal oxide electrochemical devices.展开更多
基金Supported by the National Natural Science Foundation of China(21471119)
文摘Highly uniform and tight adhering of Fe3O4 particles on carbon fiber film（Fe3O4/CFF） is achieved through a simple in-situ thermal oxidation method. Particularly, 3D CFF with interconnected structure can shorten transfer path and buffer the volume expansion during charge-discharge cycling. Herein, the obtained Fe3O4/CFF anode exhibits a stable cycling performance and excellent high rate capability. The cell delivers a reversible capacity of 1 711 m A·g^（–1） at a current density of 100 m A·g^（–1） after 100 cycles. Even at a high rate density of 2 A·g^（–1）, the specific capacity also can maintain 1034 m A·g^（–1） after 100 cycles. The simplified fabrication is featured with low-cost and this binder-free perspective holds great potential in mass-production of high-performance metal oxide electrochemical devices.
