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Highly [010]-oriented self-assembled LiCoPO_4/C nanoflakes as high-performance cathode for lithium ion batteries

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文摘 In this article, highly [010]-oriented self-assembled LiCoPO_4/C nanoflakes were prepared through simple and facile solution-phase strategies at low temperature and ambient pressure. The formation of 5-hydroxylmethylfurfural and levoglucosan via the dehydration of glucose during the reaction played a key role in mediating the morphology and structure of the resulting products. LiCoPO_4 highly oriented along the (010)-facets exposed Li+ ion transport channels, facilitating ultrafast lithium ion transportation. In turn, the unique assembled mesoporous structure and the flake-like morphology of the prepared products benefit lithium ion batteries constructed using two-dimensional (2D) LiCoPO_4/C nanoflakes self-assembles as cathodes and commercial Li_4Ti_5O_(12) as anodes. The tested batteries provide high capacities of 154.6 mA·h·g~(-1) at 0.1 C (based on the LiCoPO_4 weight of 1 C = 167 mA·h·g~(-1)) and stable cycling with 93.1% capacity retention after 100 cycles, which is outstanding compared to other recently developed LiCoPO_4 cathodes.
来源 Nano Research ,2018,11(5):2424-2435 【核心库】
DOI 10.1007/s12274-017-1864-0
关键词 lithium ion battery ; lithium cobalt phosphate ; two-dimensional (2D) nanoflakes ; (010) oriented assembly ; solution-phase synthesis
地址

1. School of Chemistry and Chemical Engineering, Henan Normal University, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Xinxiang, 453007  

2. National Institute for Materials Science (NIMS), Japan, Ibaraki, 305-0044  

3. Department of Materials Science & Engineering, Southern University of Science and Technology, Shenzhen, 518055

语种 英文
文献类型 研究性论文
ISSN 1998-0124
学科 物理学
基金 国家自然科学基金 ;  the Natural Science Foundation of Shenzhen ;  the Shenzhen Key Laboratory Project
文献收藏号 CSCD:6315614

参考文献 共 45 共3页

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引证文献 3 篇

1 Hou Yan Rapid microwave-assisted refluxing synthesis of hierarchical mulberry-shaped Na_3V_2(PO_4)_2O_2F@C as high performance cathode for sodium & lithium-ion batteries Science China. Materials,2019,62(4):474-486
CSCD被引 6 次

2 Wu Kang A novel synthesis strategy to improve cycle stability of LiNi_(0.8)Mn_(0.1)Co_(0.1)O_2 at high cut-off voltages through core–shell structuring Nano Research,2019,12(10):2460-2467
CSCD被引 13 次

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