Synthesis of LiFePO4 with fine particle by co-precipitation method

被引:121
作者
Park, KS [1 ]
Kang, KT
Lee, SB
Kim, GY
Park, YJ
Kim, HG
机构
[1] Univ Texas, Texas Mat Inst, Austin, TX 78712 USA
[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
[3] ETRI, Battery Technol Team, Taejon 305350, South Korea
关键词
inorganic compounds; electrochemical measurements; X-ray diffraction; XAFS (EXAFS and XANES);
D O I
10.1016/j.materresbull.2004.07.003
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
LiFePO4 is a potential candidate for the cathode material of the lithium secondary batteries. A co-precipitation method was adopted to prepare LiFePO4 because it is simple and cheap. Nitrogen gas was needed to prevent oxidation of Fe2+ in the aqueous solution. The co-precipitated precursor shows the high reactivity with the reductive gas, and the single phase of LiFePO4 is successfully synthesized with the aid of carbon under less reductive conditions. LiFePO4 fine powder prepared by co-precipitation method shows high rate capability, impressive specific capacity and cycle property. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1803 / 1810
页数:8
相关论文
共 13 条
[1]   The source of first-cycle capacity loss in LiFePO4 [J].
Andersson, AS ;
Thomas, JO .
JOURNAL OF POWER SOURCES, 2001, 97-8 :498-502
[2]   Fine-particle lithium iron phosphate LiFePO4 synthesized by a new low-cost aqueous precipitation technique [J].
Arnold, G ;
Garche, J ;
Hemmer, R ;
Ströbele, S ;
Vogler, C ;
Wohlfahrt-Mehrens, A .
JOURNAL OF POWER SOURCES, 2003, 119 :247-251
[3]   Electronically conductive phospho-olivines as lithium storage electrodes [J].
Chung, SY ;
Bloking, JT ;
Chiang, YM .
NATURE MATERIALS, 2002, 1 (02) :123-128
[4]   A novel concept for the synthesis of an improved LiFePO4 lithium battery cathode [J].
Croce, F ;
D'Epifanio, A ;
Hassoun, J ;
Deptula, A ;
Olczac, T ;
Scrosati, B .
ELECTROCHEMICAL AND SOLID STATE LETTERS, 2002, 5 (03) :A47-A50
[5]   Comparison between different LiFePO4 synthesis routes and their influence on its physico-chemical properties [J].
Franger, S ;
Le Cras, F ;
Bourbon, C ;
Rouault, H .
JOURNAL OF POWER SOURCES, 2003, 119 :252-257
[6]  
Gaskell D. R, 1995, INTRO THERMODYNAMICS
[7]   New iron-containing electrode materials for lithium secondary batteries [J].
Hong, YS ;
Ryu, KS ;
Chang, SH .
ETRI JOURNAL, 2003, 25 (05) :412-417
[8]   Approaching theoretical capacity of LiFePO4 at room temperature at high rates [J].
Huang, H ;
Yin, SC ;
Nazar, LF .
ELECTROCHEMICAL AND SOLID STATE LETTERS, 2001, 4 (10) :A170-A172
[9]   Phospho-olivines as positive-electrode materials for rechargeable lithium batteries [J].
Padhi, AK ;
Nanjundaswamy, KS ;
Goodenough, JB .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (04) :1188-1194
[10]   Surface modification by silver coating for improving electrochemical properties of LiFePO4 [J].
Park, KS ;
Son, JT ;
Chung, HT ;
Kim, SJ ;
Lee, CH ;
Kang, KT ;
Kim, HG .
SOLID STATE COMMUNICATIONS, 2004, 129 (05) :311-314