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Stabilizing sulfur cathodes using nitrogen-doped graphene as a chemical immobilizer for Li-S batteries
Li, L; Zhou, GM; Yin, LC; Koratkar, N; Li, F; Cheng, HM; Li, F (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-11-01
发表期刊CARBON
ISSN0008-6223
卷号108页码:120-126
摘要Lithium-sulfur (LieS) battery, as a high energy-density storage system, has attracted great attention for next generation rechargeable battery applications. However, the fast capacity decay caused by lithium polysulfides (LiPSs) dissolution impedes its prospect for commercialization. In this work, nitrogen-doped graphene, as a chemical immobilizer, was designed to bind LiPSs and stabilize sulfur in the cathode for high performance LieS batteries. The incorporated nitrogen dopants in the graphene network were found to have a strong binding effect on the LiPSs to improve electrochemical stability and promote fast electrochemical reaction kinetics. As a result, the nitrogen doped graphene-based sulfur electrode could deliver an initial capacity of similar to 1200 mAh g(-1) at 0.3 A g(-1), and exhibit good capacity retention with only 0.05% capacity decay per cycle after 300 cycles at 0.75 A g(-1). (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[li, lu ; zhou, guangmin ; yin, lichang ; li, feng ; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [li, lu ; koratkar, nikhil] rensselaer polytech inst, dept mech aerosp & nucl engn, 110 8th st, troy, ny 12180 usa
学科领域Chemistry, Physical ; Materials Science, Multidisciplinary
资助者MOST [2014CB932402]; National Science Foundation of China [51521091, 51525206, 51172239, 51372253, U1401243]; "Strategic Priority Research Program" of the Chinese Academy of Sciences [XDA01020304, XDA09010104]; Key Research Program of the Chinese Academy of Sciences [KGZD-EW-T06]; CAS/SAFEA
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76222
专题中国科学院金属研究所
通讯作者Li, F (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Li, L,Zhou, GM,Yin, LC,et al. Stabilizing sulfur cathodes using nitrogen-doped graphene as a chemical immobilizer for Li-S batteries[J]. CARBON,2016,108:120-126.
APA Li, L.,Zhou, GM.,Yin, LC.,Koratkar, N.,Li, F.,...&Li, F .(2016).Stabilizing sulfur cathodes using nitrogen-doped graphene as a chemical immobilizer for Li-S batteries.CARBON,108,120-126.
MLA Li, L,et al."Stabilizing sulfur cathodes using nitrogen-doped graphene as a chemical immobilizer for Li-S batteries".CARBON 108(2016):120-126.
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