Crystal structure and size effects on the performance of LiNi1/3Co1/3Mn1/3O-2 cathodes

Zhu Jianxin; Yoo Kevin; Denduluri AkhilaHou WentingGuo JuchenKisailus David

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Crystal structure and size effects on the performance of LiNi1/3Co1/3Mn1/3O-2 cathodes

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We have investigated the effects of crystal structure and size of LiNi1/3Co1/3Mn1/3O-2 (L333) cathodes on the performance of lithium-ion batteries. Cation ordering and particle sizes were determined as a function of annealing temperature with subsequent electrochemical performance monitored by cyclic voltammetry (CV) and charge-discharge testing. With increasing annealing temperature, L333 exhibits a greater cation ordering, which subsequently benefitted cell performance. However, higher annealing temperatures yielded larger crystal sizes, which resulted in a decrease in high rate discharge capacity and a significant capacity fade. This is attributed to an increase in lattice parameter and volume expansion during cycling, with the largest crystal sizes displaying the most significant structural changes due to the lower strain accommodation.

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《Journal of Materials Research》 |2015年第2期|295-303|共9页
作者
Zhu Jianxin; Yoo Kevin; Denduluri AkhilaHou WentingGuo JuchenKisailus David;
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作者单位

Univ Calif Riverside, Mat Sci & Engn Program, Riverside, CA 92521 USA;

Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA;

Univ Calif Riverside, Dept Bioengn, Riverside, CA 92521 USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
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Crystal structure and size effects on the performance of LiNi1/3Co1/3Mn1/3O-2 cathodes

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