LiFePO4 composites decorated with nitrogen-doped carbon as superior cathode materials for lithium-ion batteries

被引：8

作者：

Ding, Yu ^{[1
,2
]}

Pan, Pei ^{[1
,3
]}

Chen, Lihui ^{[1
]}

Fu, Zhengbing ^{[1
]}

Du, Jun ^{[1
]}

Guo, Liangui ^{[1
]}

Wang, Feng ^{[1
,2
]}

机构：

[1] Hubei Engn Univ, Coll Chem & Mat Sci, Xiaogan 432000, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Hubei, Peoples R China

[3] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Hubei, Peoples R China

来源：

IONICS | 2017年 / 23卷 / 12期

基金：

中国国家自然科学基金;

关键词：

LiFePO4; Nitrogen-doped carbon; Melamine; Cathode material; Lithium-ion batteries; CHARGE-TRANSFER KINETICS; NANO-SIZED LIFEPO4/C; ELECTROCHEMICAL PERFORMANCE; COATED LIFEPO4; NATURAL GRAPHITE; RATE CAPABILITY; ANODE MATERIALS; INTERCALATION; NANOPARTICLES; MICROSPHERES;

D O I：

10.1007/s11581-017-2137-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The development of methods to synthesize electrode materials can improve the performance of lithium ion storage. In this study, a facile and low-cost approach is employed to synthesize LiFePO4 (LFP/NC) hybrid materials decorated with nitrogen-doped carbon nanomaterials (NC). Melamine was used as nitrogen and carbon source with an NC to LFP ratio of 3.19%. As electrode materials for lithium ion batteries (LIBs), the LFP/NC composites exhibit an optimum performance with a high rate capacity of 144.6 mAh center dot g(-1) at 1 C after 500 cycles without apparent loss. The outstanding cycling stability may be attributed to the synergetic effects of well-crystallized particles and NC layers.

引用

页码：3295 / 3302

页数：8

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