Nitrogen-modified carbon nanostructures derived from metal-organic frameworks as high performance anodes for Li-ion batteries

Nitrogen-modified carbon nanostructures derived from metal-organic frameworks as high performance anodes for Li-ion batteries
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源自金属有机框架的氮改性碳纳米结构作为锂离子电池的高性能阳极

DOI:
10.1016/j.electacta.2015.09.036
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发表时间:
2015-10
期刊:
Electrochim. Acta,2015
影响因子:
--
通讯作者:
C. Shen*, C. C. Zhao, F. X. Xin, C. Cao, W. Q. Ha
C. Shen*, C. C. Zhao, F. X. Xin, C. Cao, W. Q. Ha
中科院分区:
其他
文献类型:
--
作者:
C. Shen*, C. C. Zhao, F. X. Xin, C. Cao, W. Q. Ha

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在这里,我们报告了通过在氩气气氛下在700 °C下碳化Cu基金属有机纳米纤维来制备氮改性的纳米结构碳。在通过用酸进行化学处理去除铜之后,获得氮含量为8.62重量%的纯N改性纳米结构碳。当用作锂离子电池的阳极时,纳米结构碳电极在500 mA g-1的电流下在800次循环后具有853.1 mAh g-1的放电容量。
Here, we report preparation of nitrogen-modified nanostructure carbons through carbonization of Cu-based metal organic nanofibers at 700 °C under argon gas atmosphere. After removal of copper through chemical treatment with acids, pure N-modified nanostructure carbon with a nitrogen content of 8.62 wt% is obtained. When use as anodes for lithium-ion battery, the nanostructure carbon electrode has a discharge capacity of 853.1 mAh g−1measured at a current of 500 mA g−1after 800 cycles.
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