阳极
锂(药物)
化学
多孔性
比表面积
碳纤维
离子
复合数
化学工程
体积热力学
热液循环
兴奋剂
电流密度
复合材料
电极
材料科学
光电子学
有机化学
催化作用
热力学
内分泌学
物理化学
工程类
物理
医学
量子力学
作者
Jingjing Xie,Fei Tang,Haifeng Li,Wei Jiang,Zhiping Yang,Deyang Zhao,Yanbin Xu,Yanfeng Meng,Wenjuan Sun,Ziqiao Jiang
标识
DOI:10.1016/j.jelechem.2023.117623
摘要
FeMoO4 is a potential anode material for Li-ion batteries due to its high theoretical specific capacity. The factors that restrict the application of FeMoO4 are the low specific surface area of the material and poor cycle stability caused by the huge volume change during the cycling process of lithium ion insertion and extraction. In this work, N-doped porous carbon was synthesized and composited with FeMoO4 by a hydrothermal method. The large specific surface area provided by the porous structure can enable sufficient contact of ions/electrons with active sites, thereby enhancing the lithium storage performance and buffering the volume change during lithiation/delithiation, leading to a high cycling stability of the material. After 200 cycles at a current density of 300 mA g−1, the discharge specific capacity of the composite can reach up to 1291.4 mA h g−1.
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