Controllable construction of flower-like FeS/Fe2O3 composite for lithium storage

doi:10.1016/j.jpowsour.2018.04.107

Title: Controllable construction of flower-like FeS/Fe ₂O ₃ composite for lithium storage

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Abstract

Transitions metal sulfides/oxides have been considered as promising anode candidates for next generation lithium-ion batteries (LIBs) due to high theoretical capacities. However, the large volume change during lithiation/delithiation process and poor electronic conductivity often result in a poor charging/discharging performance. Herein, we design a flower-like FeS/Fe ₂O ₃ composite via a simple “solvothermal-oxidation” method, in which the Fe ₂O ₃ is most distributed on the surface of the flower. The unique porous structure and synergistic effect between FeS and Fe ₂O ₃ not only accommodate the large volume expansion, but also facilitate Li ion and electron transport. The Fe ₂O ₃ shell effectively reduce the dissolution of Li2Sx during discharge/charge process. When serving as the anode material in lithium ion battery, FeS/Fe ₂O ₃ exhibits superior specific capacity, rate capacity and cycling stability compared with pure FeS and Fe ₂O ₃.

Authors:

Wang, Jie ^[1]; He, Huan ^[2]; Wu, Zexing ^[3]; Liang, Jianing ^[2]; Han, Lili ^[4]; Xin, Huolin L. ^[5]; Guo, Xuyun ^[6]; Zhu, Ye ^[6];

^[2]

Huazhong Univ. of Science and Technology (China); Hong Kong Polytechnic Univ., Kowloon (Hong Kong)
Huazhong Univ. of Science and Technology (China)
Huazhong Univ. of Science and Technology (China); Qingdao Univ. of Science and Technology (China)
Brookhaven National Lab. (BNL), Upton, NY (United States); Tianjin Univ. of Technology (China)
Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
Hong Kong Polytechnic Univ., Kowloon (Hong Kong)

Publication Date:: 2018-07-01

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

OSTI Identifier:: 1466613

Report Number(s):: BNL-207959-2018-JAAM
Journal ID: ISSN 0378-7753

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Power Sources

Additional Journal Information:: Journal Volume: 392; Journal Issue: C; Journal ID: ISSN 0378-7753

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; lithium storage

Citation Formats


                    Wang, Jie, He, Huan, Wu, Zexing, Liang, Jianing, Han, Lili, Xin, Huolin L., Guo, Xuyun, Zhu, Ye, and Wang, Deli. Controllable construction of flower-like FeS/Fe2O3 composite for lithium storage.  United States: N. p., 2018. 
        Web.  doi:10.1016/j.jpowsour.2018.04.107.

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                    Wang, Jie, He, Huan, Wu, Zexing, Liang, Jianing, Han, Lili, Xin, Huolin L., Guo, Xuyun, Zhu, Ye, & Wang, Deli. Controllable construction of flower-like FeS/Fe2O3 composite for lithium storage.  United States.  doi:10.1016/j.jpowsour.2018.04.107.

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                    Wang, Jie, He, Huan, Wu, Zexing, Liang, Jianing, Han, Lili, Xin, Huolin L., Guo, Xuyun, Zhu, Ye, and Wang, Deli. Sun .  
        "Controllable construction of flower-like FeS/Fe2O3 composite for lithium storage".  United States.  doi:10.1016/j.jpowsour.2018.04.107.  https://www.osti.gov/servlets/purl/1466613.

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@article{osti_1466613,

  title        = {Controllable construction of flower-like FeS/Fe2O3 composite for lithium storage},

  author       = {Wang, Jie and He, Huan and Wu, Zexing and Liang, Jianing and Han, Lili and Xin, Huolin L. and Guo, Xuyun and Zhu, Ye and Wang, Deli},

  abstractNote = {Transitions metal sulfides/oxides have been considered as promising anode candidates for next generation lithium-ion batteries (LIBs) due to high theoretical capacities. However, the large volume change during lithiation/delithiation process and poor electronic conductivity often result in a poor charging/discharging performance. Herein, we design a flower-like FeS/Fe2O3 composite via a simple “solvothermal-oxidation” method, in which the Fe2O3 is most distributed on the surface of the flower. The unique porous structure and synergistic effect between FeS and Fe2O3 not only accommodate the large volume expansion, but also facilitate Li ion and electron transport. The Fe2O3 shell effectively reduce the dissolution of Li2Sx during discharge/charge process. When serving as the anode material in lithium ion battery, FeS/Fe2O3 exhibits superior specific capacity, rate capacity and cycling stability compared with pure FeS and Fe2O3.},

  doi          = {10.1016/j.jpowsour.2018.04.107},

  journal      = {Journal of Power Sources},

  number       = C,

  volume       = 392,

  place        = {United States},

  year         = {2018},

  month        = {7}

}

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DOI: 10.1016/j.jpowsour.2018.04.107

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Title: Controllable construction of flower-like FeS/Fe 2O 3 composite for lithium storage

Abstract

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Title: Controllable construction of flower-like FeS/Fe ₂O ₃ composite for lithium storage