PVP-functionalized nanometre scale metal oxide coatings for cathode materials:: successful application to LiMn2O4 spinel nanoparticles

被引:49
作者
Lim, Sunhye [1 ]
Cho, Jaephil [1 ]
机构
[1] Hanyang Univ, Dept Appl Chem, Ansan 426791, South Korea
关键词
D O I
10.1039/b807973k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
PVP functionalized metal oxide coatings on spinel nanoparticles demonstrated significantly improved rate characteristics under extensive cycling at 65 degrees C and exhibited over 100% improved capacity retention compared to the bare counterpart.
引用
收藏
页码:4472 / 4474
页数:3
相关论文
共 25 条
[1]   Materials' effects on the elevated and room temperature performance of C/LiMn2O4 Li-ion batteries [J].
Amatucci, GG ;
Schmutz, CN ;
Blyr, A ;
Sigala, C ;
Gozdz, AS ;
Larcher, D ;
Tarascon, JM .
JOURNAL OF POWER SOURCES, 1997, 69 (1-2) :11-25
[2]  
AMATUCCI GG, 1997, SOLID STATE IONICS, V104, P222
[3]   Self-discharge of LiMn2O4/C Li-ion cells in their discharged state -: Understanding by means of three-electrode measurements [J].
Blyr, A ;
Sigala, C ;
Amatucci, G ;
Guyomard, D ;
Chabre, Y ;
Tarascon, JM .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1998, 145 (01) :194-209
[4]   Improvement of structural stability of LiMn2O4 cathode material on 55°C cycling by sol-gel coating of LiCoO2 [J].
Cho, J ;
Kim, GB ;
Lim, HS ;
Kim, CS ;
Yoo, SI .
ELECTROCHEMICAL AND SOLID STATE LETTERS, 1999, 2 (12) :607-609
[5]   A breakthrough in the safety of lithium secondary batteries by coating the cathode material with AIPO4 nanoparticles [J].
Cho, J ;
Kim, YW ;
Kim, B ;
Lee, JG ;
Park, B .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2003, 42 (14) :1618-1621
[6]  
Cho J, 2001, ANGEW CHEM INT EDIT, V40, P3367, DOI 10.1002/1521-3773(20010917)40:18<3367::AID-ANIE3367>3.0.CO
[7]  
2-A
[8]   Complete blocking of Mn3+ ion dissolution from a LiMn2O4 spinel intercalation compound by Co3O4 coating [J].
Cho, JP ;
Kim, TJ ;
Kim, YJ ;
Park, B .
CHEMICAL COMMUNICATIONS, 2001, (12) :1074-1075
[9]   Improving the high-temperature performance of LiMn2O4 spinel electrodes by coating the active mass with MgO via a sonochemical method [J].
Gnanaraj, JS ;
Pol, VG ;
Gedanken, A ;
Aurbach, D .
ELECTROCHEMISTRY COMMUNICATIONS, 2003, 5 (11) :940-945
[10]   IMPROVED CAPACITY RETENTION IN RECHARGEABLE 4V LITHIUM LITHIUM MANGANESE OXIDE (SPINEL) CELLS [J].
GUMMOW, RJ ;
DEKOCK, A ;
THACKERAY, MM .
SOLID STATE IONICS, 1994, 69 (01) :59-67