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题名: Sulfur embedded in one-dimensional French fries-like hierarchical porous carbon derived from a metal-organic framework for high performance lithium-sulfur batteries
作者: Yang, Xiaofei1, 2;  Yan, Na1, 2;  Zhou, Wei1, 2;  Zhang, Hongzhang1;  Li, Xianfeng1, 3;  Zhang, Huamin1, 3
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2015
DOI: 10.1039/c5ta03013g
卷: 3, 期:29, 页:15314-15323
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: Lithium-sulfur (Li-S) batteries suffer from poor cycling stability mainly caused by one of their own drawbacks, namely, the shuttle effect, which makes them far from conquering the marketplace. To tackle this problem, a novel French fries-like hierarchical porous carbon (FLHPC) with a one-dimensional (1D) structure was constructed by carbonizing an aluminum metal-organic framework (Al-MOF). In FLHPC, sulfur was infiltrated mainly into the micro- and mesopores, while macro-pores were used to facilitate the transportation of Li ions (Li+). On the basis of this concept, even without LiNO3 as additive, Li-S batteries not only delivered a high initial discharge capacity of nearly 1200 mA h g(-1) at 0.1 C (1 C = 1672 mA h g(-1)) but also showed good cycling stability with a capacity retention of 68% at 0.5 C after 200 cycles. In addition, when the capacity rate (C-rate) was increased to 2 C, a high discharge capacity of 763 mA h g(-1) was obtained after 20 cycles, proving their excellent C-rate performance.
关键词[WOS]: CATHODE MATERIAL ;  COORDINATION POLYMER ;  GRAPHENE COMPOSITE ;  MESOPOROUS CARBON ;  CYCLING STABILITY ;  S BATTERIES ;  NANOTUBES ;  ELECTRODES ;  INTERLAYER ;  SPHERES
语种: 英语
WOS记录号: WOS:000358129400048
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146399
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China

Recommended Citation:
Yang, Xiaofei,Yan, Na,Zhou, Wei,et al. Sulfur embedded in one-dimensional French fries-like hierarchical porous carbon derived from a metal-organic framework for high performance lithium-sulfur batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(29):15314-15323.
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