Enhanced Electrochemical Performance of LiFePO4 as Cathode for Lithium Ion Battery by Codoping with Titanium and Nitrogen

被引：6
|
作者：
Su, Wei [1 ]
Xu, Kaiqi [1 ,2 ]
Zhong, Guobin [1 ]
Wei, Zengfu [1 ]
Wang, Chao [1 ]
Meng, Yuezhong [2 ]
机构：
[1] Guangdong Power Grid Co Ltd, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Key Lab Low Carbon Chem & Energy Conservat Guangd, Guangzhou 510275, Guangdong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 08期
关键词：
Lithium ion batteries; Cathode; LiFePO4; Codoping; CARBOTHERMAL REDUCTION METHOD; PHOSPHO-OLIVINES; ELECTRODES; TI4+; SUBSTITUTION; LIPON; FILMS; IRON;
D O I：
10.20964/2017.08.13
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Titanium and nitrogen codoped LiFePO4 was synthesized via a simple solid state reaction using TiN as the dopant source. The morphology, structure, valence state and electrochemical performance of all the samples were investigated and compared with the undoped LiFePO4. The results showed that the codoped samples maintained an olivine structure with modified lattice parameters and exhibited a prominent improved electrochemical performance. Among all the codoped samples, LiFe0.94Ti0.04PO4 sigma N0.04 showed the best rate capability of 108.1 mAh g(-1) even at a high rate of 5 C and exhibited a capacity retention of about 94% after 100 cycles at 1 C.
引用
收藏
页码：6930 / 6939
页数：10
相关论文
共 50 条
  • [31] Preparation of LiFePO4 as cathode material for a lithium ion battery by microwave processing
    Higuchi, M
    Tsuruoka, T
    Asaka, T
    Mihara, T
    Suhara, M
    Katayama, K
    Azuma, Y
    ELECTROCERAMICS IN JAPAN VII, 2004, 269 : 147 - 150
  • [32] Conductivity and electrochemical performance of LiFePO4 slurry in the lithium slurry battery
    Feng, Caimei
    Chen, Yongchong
    Liu, Dandan
    Zhang, Ping
    4TH INTERNATIONAL CONFERENCE ON ADVANCED COMPOSITE MATERIALS AND MANUFACTURING ENGINEERING 2017, 2017, 207
  • [33] Effect of carbon coating on the electrochemical performance of LiFePO4/C as cathode materials for aqueous electrolyte lithium-ion battery
    Noerochim, Lukman
    Yurwendra, Ade Okta
    Susanti, Diah
    IONICS, 2016, 22 (03) : 341 - 346
  • [34] Effect of carbon coating on the electrochemical performance of LiFePO4/C as cathode materials for aqueous electrolyte lithium-ion battery
    Lukman Noerochim
    Ade Okta Yurwendra
    Diah Susanti
    Ionics, 2016, 22 : 341 - 346
  • [35] Hydrothermal synthesis and performance of LiFePO4 cathode for lithium ion batteries
    Wu, Z.-J. (wooawt@163.com), 1600, Central South University of Technology (24):
  • [36] Float Charging Performance of Lithium Ion Batteries with LiFePO4 Cathode
    Takahashi, Masaya
    Shodai, Takahisa
    ELECTROCHEMISTRY, 2010, 78 (05) : 342 - 344
  • [37] Performance of LiFePO4 as lithium battery cathode and comparison with manganese and vanadium oxides
    Yang, SF
    Song, YN
    Ngala, K
    Zavalij, PY
    Whittingham, MS
    JOURNAL OF POWER SOURCES, 2003, 119 : 239 - 246
  • [38] LiFePO4/reduced graphene oxide hybrid cathode for lithium ion battery with outstanding rate performance
    Zhu, Xianjun
    Hu, Jing
    Wu, Wenyan
    Zeng, Wencong
    Dai, Huaili
    Du, Yuanxin
    Liu, Zhen
    Li, Liang
    Ji, Hengxing
    Zhu, Yanwu
    JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (21) : 7812 - 7818
  • [39] Effect of electrode preparation technology and electrolytes on the performance of LiFePO4 cathode material for lithium ion battery
    Zhang, Xiao-Ming
    Liao, Xiao-Zhen
    Wang, Liang
    Ma, Zi-Feng
    Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities, 2007, 21 (01): : 54 - 58
  • [40] High performance LiFePO4/C cathode for lithium ion battery prepared under vacuum conditions
    Zhang, Lulu
    Peng, Gang
    Yang, Xuelin
    Zhang, Pengchang
    VACUUM, 2010, 84 (11) : 1319 - 1322
12345