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In-situ coupling SnS with nitrogen-doped porous carbon for boosting Li-storage in lithium-ion battery and capacitor

文献类型: 外文期刊

作者: Huang, Jiaxi 1 ; Chen, Jing 1 ; Ma, Lin 1 ; Liu, Qianlan 1 ; Wang, Meijuan 1 ; Liao, Lusheng 1 ; Rujiralai, Thitima 5 ; X 1 ;

作者机构: 1.Lingnan Normal Univ, Key Lab Clean Energy Mat Chem, Sch Chem & Chem Engn, Inst Phys Chem,Guangdong Higher Educ Inst, Zhanjiang 524048, Guangdong, Peoples R China

2.City Univ HongKong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China

3.City Univ HongKong, Ctr Super Diamond & Adv Films COSDAF, Kowloon, Hong Kong 999077, Peoples R China

4.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Guangdong Prov Key Lab Nat Rubber Proc, Zhanjiang 524001, Guangdong, Peoples R China

5.Prince Songkla Univ, Fac Sci, Dept Chem, Hat Yai 90112, Thailand

6.Prince Songkla Univ, Ctr Excellence Innovat Chem, Fac Sci, Hat Yai 90112, Thailand

关键词: SnS; Li-ion battery; Li-ion capacitor; Carbon nanosheet; Anode

期刊名称:ELECTROCHIMICA ACTA ( 影响因子:6.901; 五年影响因子:6.016 )

ISSN: 0013-4686

年卷期: 2021 年 365 卷

页码:

收录情况: SCI

摘要: Tin sulfide (SnS) becomes a competitive alternative anode material for lithium ion batteries (LIBs) due to its cost-effects and high theoretical capacity. Herein, a simple freeze-drying and annealing synthetic strategy was exploited to in-situ couple SnS with nitrogen-doped porous carbon nanosheets to fabricate SnS@NPC nanocomposites. In this nanostructure, SnS nanoparticles were well embedded into citric acid-derived nitrogen-doped carbon hierarchical frameworks with enlarged surface areas and abundant porosity. Besides, the reversible Li-ion storage property of this novel nanostructured anode in LIBs was also investigated and compared with the bare SnS counterpart. It was indicated that the SnS@NPC hybrid electrode exhibited a tremendously boosted electrochemical performance. After cycling 200 times at 100 mA g(-1) and 300 times at 10 0 0 mA g(-1), a high specific capacity of 851.5 mA h g(-1) and 607.6 mA h g(-1) was remained respectively. Furthermore, with SnS@NPC as anode and the activated carbon (AC) as cathode, a new-type of lithium ion capacitor (LIC) was also fabricated, which exhibited a specific capacitance of 70.1 F g(-1) at 0.1 A g(-1) and a maximum energy density of 155.5 Wh kg(-1) at 213.6 W kg(-1). The well-engineered nanostructures as well as the aroused synergistic effect between SnS and nitrogen-doped carbon materials are considered to be responsible for the enhanced electrochemical property. (c) 2020 Elsevier Ltd. All rights reserved.

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