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Alternative TitleSynthesis and Characteristics of Lithium-Rich Manganese-Based Material Li[Li0.2Ni0.2Mn0.6]O2by in Situ Template-Sacrificial Method
刘焱1,2,3,4; 唐道平1,2,3; 张千玉1,2,3; 张灵志(1,2,)
Source Publication新能源进展
Other AbstractLi[Li0.2Ni0.2Mn0.6]O2(LLO)nanoparticles with diffident morphologies were prepared by the in situ templatesacrificial method,sol-gel method and confinement method,respectively.The electrochemical performance data confirmed that the product prepared by in situ template-sacrificial method had the best specific capacity,cycle stability and rate performance.The improved electrochemical performance of this product is due to the following aspects:(1)the cavity ineach hollow sphere can provide many extra active sites for the storage of Li+,which is beneficial for enhancing the specificcapacity;(2)the hollow structure made of nanoparticles often has a larger surface area and a reduced effective diffusion distance for Li+,leading to improved rate capability;(3)the void space in hollow structures may buffer against the local volume change during the lithium insertion/extraction cycling,thus facilitating the structural stability of the electrode material and improving the cyclability.
Keyword锂离子电池 正极 富锂锰基材料 原位模板牺牲法 lithium ion battery cathode lithium-rich manganese-based material in situ template-sacrificial method
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Document Type期刊论文
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
刘焱,唐道平,张千玉,等. 原位模板牺牲法制备富锂锰基材料Li[Li0.2Ni0.2Mn0.6]O2及性能研究[J]. 新能源进展,2017,5(1):32-39.
APA 刘焱,唐道平,张千玉,&张灵志.(2017).原位模板牺牲法制备富锂锰基材料Li[Li0.2Ni0.2Mn0.6]O2及性能研究.新能源进展,5(1),32-39.
MLA 刘焱,et al."原位模板牺牲法制备富锂锰基材料Li[Li0.2Ni0.2Mn0.6]O2及性能研究".新能源进展 5.1(2017):32-39.
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