Effect of (Mg, Al) double doping on the thermal decomposition of LiMn2O4 cathodes investigated by time-resolved X-ray diffraction

Title
Effect of (Mg, Al) double doping on the thermal decomposition of LiMn2O4 cathodes investigated by time-resolved X-ray diffraction
Authors
디키 수산토김해식김지영임선혜양지운최수안정경윤
Keywords
LiMn2O4; Capacity Fading; Mg Al doping; Thermal Stability; Time-resolved X-ray diffraction
Issue Date
2015-05
Publisher
Current applied physics
Citation
VOL 15, NO S1, S27-S31
Abstract
The performance of undoped and (Mg, Al) doubly doped LiMn2O4 electrodes were compared, with the latter having better cycle retention at room temperature and enhanced cycling performance at elevated temperatures. The effect of double (Mg, Al) doping on the thermal stability of charged and uncharged samples was studied by time-resolved X-ray diffraction, revealing that Mg and Al significantly improve the structural stability of LiMn2O4 during heat treatment.
URI
http://pubs.kist.re.kr/handle/201004/50315
ISSN
15671739
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KIST Publication > Article
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