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[1]刘熙林,钟盛文,梅文捷,等.Li1.07(Ni0.4Mn0.53)1-xAlxO2正极材料的合成与性能[J].有色金属科学与工程,2015,(05):63-68.[doi:10.13264/j.cnki.ysjskx.2015.05.012]
 LIU Xilin,ZHONG Shengwen,MEI Wenjie,et al.Synthesis and properties of Li1.07(Ni0.4Mn0.53)1-xAlxO2 as cathode materials for lithium ion batteries[J].,2015,(05):63-68.[doi:10.13264/j.cnki.ysjskx.2015.05.012]
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Li1.07(Ni0.4Mn0.53)1-xAlxO2正极材料的合成与性能(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2015年05期
页码:
63-68
栏目:
出版日期:
2015-10-20

文章信息/Info

Title:
Synthesis and properties of Li1.07(Ni0.4Mn0.53)1-xAlxO2 as cathode materials for lithium ion batteries
作者:
刘熙林钟盛文梅文捷陈鹏金柱王春香
江西理工大学材料科学与工程学院,江西 赣州 341000
Author(s):
LIU Xilin ZHONG Shengwen MEI Wenjie CHEN Peng JIN Zhu WANG Chunxiang
School of Material Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China
关键词:
锂离子电池正极材料Li1.07(Ni0.4Mn0.53)1-xAlxO2Al掺杂低温放电性能
分类号:
TF114.1;TM911.14
DOI:
10.13264/j.cnki.ysjskx.2015.05.012
文献标志码:
A
摘要:
采用共沉淀法结合高温固相法制备Li1.07(Ni0.4Mn0.53)1-xAlxO2正极材料,利用SEM,XRD对所得试样的形貌和晶体结构进行表征,并研究材料的电化学性能.结果表明,少量Al的掺入减小材料的颗粒尺寸,降低材料的放电比容量,但可以提高材料的循环稳定性和倍率性能.其中x=0.01时所得试样在25 ℃,2.75~4.2 V,0.5 C倍率下的首次放电比容量为125.1 mAh/g,100次循环后的容量保持率达到99.5 %.此外,掺入适量Al后可以降低Li+在材料中的电荷传递阻抗,改善材料的低温放电性能.

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备注/Memo

备注/Memo:
收稿日期:2015-04-09基金项目:国家自然科学基金资助项目(51372104);江西省科技计划项目(20141BBE50019)作者简介:刘熙林(1990- ),男,硕士研究生,主要从事锂离子电池正极材料方向研究,E-mail:liuxilin2012@163.com.通信作者:钟盛文(1963- ),男,教授,主要从事锂离子电池及相关材料方向研究,E-mail:zhongshw@126.com.
更新日期/Last Update: 2015-10-30