期刊
SCRIPTA MATERIALIA
卷 189, 期 -, 页码 36-41出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2020.07.060
关键词
MgFe2O4; Hierarchical porous; N-doped carbon nanosheets; Anode; Lithium ion batteries
类别
资金
- National Nature Science Foundation of China [21471049]
3D hierarchical porous N-doped carbon nanosheets/MgFe2O4 (MFO/NPC) was designed and synthesized successfully as the anode materials for lithium ion batteries by freeze-drying technology with dual salt templates and subsequent in-situ solvent thermal method. Its specific capacity rises steadily to 1337.7 mAh g(-1) at the 260th cycle with the initial coulombic efficiency of 78.3% (0.5 A g(-1)). And the capacity remains at 534.1 mAh g(-1) even after 1500 cycles at the current density of 5 A g(-1). The excellent electrochemical performances can be attributed to the 3D conductive carbon skeleton and the chemical interaction between MFO and the doped N element. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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