动力锂离子电池正极材料的研究评述

1、 38 9 V ol.38, No.92009 9RARE METAL MATERIALS AND ENGINEERINGSeptember 20092008-09-221979 2430020555-2311807, E-mail:tfyihit163.cm11 1 12(1. 243002 (2. 150001LiMn 2O 4 Li M PO 4 LiMn 2O 4 Li M PO 4LiMn 2O 4 Li M PO 4 Li 3V 2(PO4 3LiMn 2O 4LiFePO 4Li 3V 2(PO4 3TM 912.9 A1002-185X(200909-1687-06 <1

2、 c (LiCoO2 (LiCox Ni y Mn z O 2 (LiMn2O 4 (LiM PO 4 LiCoO 2 1/2LiCoO 2Li + LiCoO 20.5Li+ Li 0.5CoO 2( LiCoO 2Li + Li + Li + X X LiMn 2O 4 Li + LiMn 2O 4Li + +e-+2MnO2 Li +LiMn 2O 4 LiMnO 2 14 2 25 g 1688g 38 LiMn 2O 4 LiFePO 4 2LiMn 2O 4 LiFePO 4Li 3V 2(PO4 3 LiFePO 4 6 10%+5%PVDF 85 % (LiFePO4 3 &#

3、215;10-3S·cm-1 LiCoO 2 LiMn 2O 4 : LiMn 2O 4 LiFePO 4 4Table 1 Oxidative exothermic temperature of the main four kinds of cathode materials2LiCo x Ni y Mn z O 2180LiMn 2O 4250 Table 2 Comparison of several kinds of cathode materials for lithium ion battery 25Theoretical capacity / mAh·g-12

4、74 275 148 170 332 (x =5 197 (x =3 Actual capacity /mAh·g-1130150 150220 110130 135153 120150(x =3 High rate discharge performance Good - Good Good Good Electric conductivity / S·cm-110-3- 10-510-910-7LiMn 2O 4 Jahn-Teller 55 Mn 3+ Mn 2+ LiMn 2O 4 LiMn 2O 4 7 8Pechini Pechini 9 - 10 11 12&

5、#169; 13 14 15X 16 17 LiMn 2O 4 - Pechini K K Li Mn © K X / Ni Mn K LiMn 2O 4 LiMn 2O 4 9 g 1689gL Jahn-Teller LiMn 2O 4 3(1 Mn Jahn-Teller Li +Mg 2+Zn 2+ 18(2 Mn Cr 3+Co 3+Ni 2+ Mn M-O Mn-O 5 V 19(3 Mn Al 3+Ga 3+ 8 a Li + 20Li M PO 4LiFePO 4 (LiFePO4 170 mAh·g-1 3.5 V LiCoO 2LiNiO 2 LiMn

6、2O 4 LiFePO 4 LiFePO 4 21 22 23 24 - 25 26 - © Fe 3+ Fe 2+ LiFePO 4 LiFePO 4 3.1.1 LiFePO 4 LiFePO 4 LiFePO 4 Li + LiFePO 4 273.1.2 LiFePO 4K LiFePO 4 K (<200 nm 283.1.3 LiFePO 4 K K K 29 Li 3V 2(PO4 3Li 3V 2(PO4 3 LiCoO 2 Li 3V 2(PO4 3 LiCoO 2LiMn 2O 4LiFePO 4 Li 3V 2(PO4 3 Li + 30 Li 3V 2(

7、PO4 3 LiFePO 4 31Li 3V 2(PO4 3 32 Li 3V 2(PO4 3 g 1690g 38Li 3V 2(PO4 3 Li 3V 2(PO4 3PO 4 VO 6* VO 6 6PO 4 PO 4 4VO 6 (VO6 2(PO4 3 Li 3V 2(PO4 3 Li 3V 2(PO4 3 PO 43- Li 3V 2(PO4 3 Li 3V 2(PO4 3VO 6 PO 4 * V-O-P VO 6 PO 4 Li 3V 2(PO4 3 10-7 S·cm-1 33 LiCoO 2 LiMn 2O 4Li 3V 2(PO4 3V 4 5 332 mAh&#

8、183;g-1Li 3V 2(PO4 3 - c K H 2 H 2 Ê 31,34 H 2 C C C C H 2 35 - © 36 37Li 3V 2(PO4 3 VO 6 Li 3V 2(PO4 3 Li 3V 2(PO4 3 K 8 K 35,36 Li 3V 2(PO4 3 (1 (2 Li + (3 V 3+ DSC Li 3V 2(PO4 3DSC Li 3V 2(PO4 3 LiFePO 4 Li 3V 2(PO4 3 38 LiFePO 4 LiFePO 4 2 LiFePO 4LiFePO 4 / LiFePO 4 c LiFePO 4 LiCoO 2

9、 LiMn 2O 4 9 g 1691g LiMPO 4 , 39 , Li 3V 2(PO4 3- , References1 Shi Zhicong ( , Yang Yong( . Progress in Chemistry ( J, 2005, 17(4: 6042 Reimers J N , Dahn J R. J Electrochem SocJ, 1992, 139(8: 20913 Tang Zhiyuan( , Lu Xinghe( , Zhang Na( . Chemistry ( J, 2005, 68(5: 3214 Kawaia H, Nagatab M, Kagey

10、amac H et al . Electrochim Acta J,1999, 45(12: 3155 Thackeray M. Nature Materials J, 2002, 1(2: 816 Zhang Xinlong( , Hu Guorong( , Peng Zhongdong( et al. Battery Bimonthly( J, 2003, 33(4: 2527 Li Zhimin ( , Luo Fa( , Su Xiaolei( et al. Rare Metal Materials and Engineering ( J, 2007, 36(8: 13828 Yi T

11、ingfeng ( , Wang Dianlong( , Hu Xinguo( . Modern Chemical Industry ( J, 2006, 26(6: 209 Wang G X, Bradhurst D H, Liu H K et al. Solid State IonicsJ, 1999, 120(14: 9510 Yi T F, Dai C S, Hu X G et al . J Alloys Compd J, 2006, 425(12: 34311 Fan Y, Wang J, Ye X et al.Mater Chem PhysJ, 2007, 103(1: 1912

12、Wu H M, Tu J P, Yuan Y F et al. J Power SourcesJ, 2006, 161(2: 126013 Wu H M, Tu J P, Yuan Y F et al . Materials Science and Engineering BJ, 2005, 119(1: 7514 Raja M W, Mahanty S, Ghosh P et al . Materials Research Bulletin J, 2007, 42(8:149915 Lee Y S, Sun Y K, Ota S et al . Electrochem Commun J, 2

13、002, 4(12: 98916 Kim J H, Myung S T, Sun Y K. Electrochim Acta J, 2004, 49(2: 21917 Shen P, Huang Y, Liu L et al. J Solid State Electrochem J, 2006, 10(11: 929.18 Yi Tingfeng ( , Hu Xinguo( , Gao Kun( .Rare Metal Materials and Engineering ( J, 2006, 35(S2: 919 Yi Tingfeng ( , Hu Xinguo( , Gao Kun( e

14、t al. Rare Metal Materials and Engineering ( J, 2006, 35(9: 135020 Xiao L, Zhao Y, Yang Y et al . Electrochim Acta J, 2008, 54(2: 54521 Luo Shaohua( , Tang Zilong(, Lu Junbiao( et al . Rare Metal Materials and Engineering ( J, 2007, 36(8: 136622 Franger S, Bourbon C, Rouault H et al . J Power Source

15、s J, 2003(119121: 25223 Masashi H, Katayama K, Azuma Y et al . J Power Sources J, 2003(119121: 25824 Wang G X, Needham S, Yao J et al . J Power Sources J, 2006, 159(1: 28225 He Yushi(, Liao Xiaozhen(, Ma Zifeng ( et al. Rare Metal Materials and Engineering( J, 2007, 36(9: 164426 Arnold G, Garche J,

16、Hemmer R et al . J Power Sources J, 2003(119121: 24727 Zhuang Dagao(, Zhao Xinbing(, Xie Jian( et al . Rare Metal Materials and Engineering ( J, 2007, 36(1: 14928 Teng T H, Yang M R, Wu S H et al . Solid State Communications J, 2007, 142(7: 38929 Ni J F, Zhou H H, Chen J T et al . Mater Lett J, 2007

17、, 61(45: 126030 Zhu Xianjun( , Liu Yunxia( , Geng Liangmei( et al . Battery Bimonthly ( J, 2007, 37(5: 39031 Yin S C, Grondey H, Strobel P et al. J Am Chem SocJ, 2003, 125(34: 1040232 Morgan D, Ceder G , Saidi M Y et al. Chem MaterJ, 2002, 14(1: 468433 Yin S C, Strobel P S, Grondey H et al. Chem Mat

18、erJ,2004, 16(8, 145634 Fu P, Zhao Y, Dong Y et al. Electrochim ActaJ, 2006, 52(3: 100335 Fu P, Zhao Y, Dong Y et al . J Power Sources J, 2006, 162(1: 65136 Li Y, Zhou Z, Ren M et al. Electrochim Acta J, 2006, 51(4: 649837 Ying Jierong( , Jiang Changyin( , Tang Changping( et al . Rare Metal Materials

19、 andg1692g Engineering ( 2003(119121: 266 J, 2006, 35(11: 1792 38 39 Chung S Y, Bloking J T, Chiang Y M. Nature MaterJ, 2002, 2: 123 38 Saidi M Y, Barker J, Huang H et al. J Power SourcesJ, A Review of Research on Cathode Materials for Power Lithium Ion Batteries Yi Tingfeng1, Yue Caibo1, Zhu Yanron

20、g1, Zhu Rongsun1, Hu Xinguo2 (1. Anhui University of Technology, Maanshan 243002, China (2. Harbin Institute of Technology, Harbin 150001, China Abstract: LiMn2O4 and LiMPO4 can be used as cathode materials of power battery by judging the security of power lithium ion battery cathode material. Recent progresses on LiMn2O4 and LiMPO4 ca