The Characteristics of Fine-Sized LiMn(12-X)/6Alx/6O4(0.05≤x≤2) Powders Prepared by Spray Pyrolysis |
| Journal |
Key Engineering Materials (Volume 350) |
| Volume |
Electroceramics in Japan X |
| Edited by |
K. Katayama, K. Kato, T. Takenaka, M. Takata and K. Shinozaki |
| Pages |
27-30 |
| DOI |
10.4028/www.scientific.net/KEM.350.27 |
| Online since |
October, 2007 |
| Authors |
Seo Hee Ju,
Do Youp Kim,
Hye Young Koo,
Seung Kwon Hong,
Eun Byul Jo,
Yun Chan Kang
|
| Keywords |
Cathode Material, LiMn2O4, Lithium Secondary Battery, Spray Pyrolysis |
| Abstract |
The series of partially Al-substituted lithium manganese oxides were prepared by spray pyrolysis
process from spray solutions with citric acid and ethylene glycol. The as-prepared particles obtained
from spray solution with citric acid and ethylene glycol turned to fine-sized LiMn(12-
x)/6Alx/6O4(0.05≤x≤2) particles with regular morphology after post-annealing. The discharge
capacities of the particles post-annealed at temperature of 800oC changed from 128 to 84 mAh/g
when the x of the LiMn(12-x)/6Alx/6O4 particles was changed from 0 to 2. The Al-doped LiMn2O4 fine
particles prepared by spray pyrolysis from spray solution with citric acid and ethylene glycol had
good cycle properties. |
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