CoNi-embedded nitrogen-enriched porous carbon framework for long-life lithium–sulfur batteries

doi:10.1007/s10008-019-04346-x

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	CoNi-embedded nitrogen-enriched porous carbon framework for long-life lithium–sulfur batteries
	Li, Miaomiao 2; Feng, Wangjun 1,2; Su, Wenxiao 2; Wang, Xuan 1,2
刊名	Journal of Solid State Electrochemistry
	2019-08-01
卷号	23 期号:8 页码:2317-2324
关键词	Carbon Cobalt Doping (additives) Electric discharges Lithium Molar ratio Nickel compounds Nitrogen Porous materials Sulfur Electrochemical performance Electrode material Initial discharge capacities Large specific surface areas Nitrogen-doped carbons Nitrogen-enriched Thermal conversion Zeolitic imidazolate frameworks
ISSN号	14328488
DOI	10.1007/s10008-019-04346-x
英文摘要	Metal–organic framework (MOF) derivatives are excellent energy storage devices such as lithium–sulfur batteries. Here, a bimetallic (CoNi)-embedded nitrogen-enriched carbon framework was synthesized by a simple metal-doped zeolitic imidazolate framework thermal conversion strategy. CoNi-NC materials have a large specific surface area and a pore-rich structure. This unique structure interacts with a cobalt-based electroactive phase and a secondary metal to enhance electrochemical performance. By changing the molar ratio of nickel to cobalt and selecting the best bimetallic nitrogen-doped carbon framework, the initial discharge capacity of the lithium–sulfur battery with Co0.75Ni0.25-NC as the electrode material was 1278 mA h g−1 at 0.1 C, with excellent rate performance and good cycle stability. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
WOS研究方向	Electrochemistry
语种	英语
出版者	Springer Science and Business Media, LLC
WOS记录号	WOS:000480597700005
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/113949]
专题	理学院
作者单位	1.State Key Laboratory of Advanced Processing and Recycling Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China 2.School of Science, Lanzhou University of Technology, Lanzhou; 730050, China;
推荐引用方式 GB/T 7714	Li, Miaomiao,Feng, Wangjun,Su, Wenxiao,et al. CoNi-embedded nitrogen-enriched porous carbon framework for long-life lithium–sulfur batteries[J]. Journal of Solid State Electrochemistry,2019,23(8):2317-2324.
APA	Li, Miaomiao,Feng, Wangjun,Su, Wenxiao,&Wang, Xuan.(2019).CoNi-embedded nitrogen-enriched porous carbon framework for long-life lithium–sulfur batteries.Journal of Solid State Electrochemistry,23(8),2317-2324.
MLA	Li, Miaomiao,et al."CoNi-embedded nitrogen-enriched porous carbon framework for long-life lithium–sulfur batteries".Journal of Solid State Electrochemistry 23.8(2019):2317-2324.