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溶胶凝胶法合成富锂正极材料lili02ni02mn06o2及性能表征
赵雪玲; 唐道平; 麦永津; 赵欣悦; 王素清; 张灵志
2013
Source Publication无机化学学报
ISSN1001-4861
Volume029Issue:005Pages:1013
Abstract以LiOH·H2O、Mn(CH3COO)2·4H2O和Ni(CH3COO)2·4H20为原料,分别用柠檬酸(CA)与乙二胺四乙酸(EDTA)为配位剂,采用溶胶凝胶法结合固相烧结法制备富锂固溶体正极材料LiLi0.2Ni0.2Mn0.6dO2。通过X射线衍射(XRD)、扫描电子显微镜(SEM)、激光粒度仪对所得样品的结构、形貌、粒径分布进行了表征,并测试了材料的电化学性能。采用CA配位制备的材料的电化学性能优于用EDTA配位制备的材料的电化学性能,室温下以18mA·g-1的电流密度,在2.0—4.8V电压范围内充放电,用CA制备的材料首次充电比容量高达324mAh·g-1,首次库伦效率达82%;在180mA·g-1的电流下,其可逆比容量保持在120mAh·g-1。
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/21749
Collection中国科学院广州能源研究所
Affiliation中国科学院广州能源研究所
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
赵雪玲,唐道平,麦永津,等. 溶胶凝胶法合成富锂正极材料lili02ni02mn06o2及性能表征[J]. 无机化学学报,2013,029(005):1013.
APA 赵雪玲,唐道平,麦永津,赵欣悦,王素清,&张灵志.(2013).溶胶凝胶法合成富锂正极材料lili02ni02mn06o2及性能表征.无机化学学报,029(005),1013.
MLA 赵雪玲,et al."溶胶凝胶法合成富锂正极材料lili02ni02mn06o2及性能表征".无机化学学报 029.005(2013):1013.
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