Nitrogen-doped carbon nanofiber decorated LiFePO4 composites with superior performance for lithium-ion batteries

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• 作者：Feng Wang ; Yaoyao Zhang ; Liangcheng Luo ; Jun Du ; Liangui Guo ; Yu Ding
• 关键词：Lithium iron phosphate ; Nitrogen ; doped carbon nanofiber ; Electrochemical performance ; Lithium ion batteries
• 刊名：Ionics
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：22
• 期：3
• 页码：333-340
• 全文大小：1,373 KB
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• 作者单位：Feng Wang (1)
  Yaoyao Zhang (1)
  Liangcheng Luo (1)
  Jun Du (1)
  Liangui Guo (1)
  Yu Ding (1) (2)
  
  1. College of Chemistry and Materials Science, Hubei Engineering University, Xiaogan, 432000, China
  2. State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760

文摘

Nitrogen-doped carbon nanofiber (NCNF) decorated LiFePO₄ (LFP) composites are synthesized via an in situ hydrothermal growth method. Electrochemical performance results show that the embedded NCNF can improve electron and ion transfer, thereby resulting in excellent cycling performance. The as-prepared LFP and NCNF composites exhibit excellent electrochemical properties with discharge capacities of 188.9 mAh g−1 (at 0.2 C) maintained at 167.9 mAh g−1 even after 200 charge/discharge cycles. The electrode also presents a good rate capability of 10 C and a reversible specific capacity as high as 95.7 mAh g−1. LFP composites are a potential alternative high-performing anode material for lithium ion batteries.