Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries

doi:10.1039/C7TA08129D

Title: Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries

Lithium–sulfur (Li–S) batteries offer high theoretical capacity and energy density; however, complex nanoengineered cathodes have been required to suppress the unwanted polysulfide shuttling. The textural complexity of such electrodes hinders detailed understanding of their function, impeding the development of new materials. In this report, the redox-active polymer 2,6-polyanthraquinone (PAQ) was incorporated into the cathode. The presence of this polymer improves capacity retention in galvanostatic cycling and inhibits Li corrosion and S deposition. In conclusion, we show that redox reactions of this polymer are strongly coupled to the S redox cycle and hypothesize that the observed improvements in the performance originate from the electrocatalytic inhibition of polysulfide shuttling in this system.

Authors:

; ; Dietz Rago, Nancy L. ^[2] ; ; Phelan, Daniel ^[4] ; Hu, Bin ^[2] ; Zhang, Lu ^[1] ; ;

Argonne National Lab. (ANL), Argonne, IL (United States). Joint Center for Energy Storage Research (JCESR); Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division
Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division
Argonne National Lab. (ANL), Argonne, IL (United States). Joint Center for Energy Storage Research (JCESR)
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division

Publication Date:: 2017-11-14

Grant/Contract Number:: AC02-06CH11357

Type:: Accepted Manuscript

Journal Name:: Journal of Materials Chemistry. A

Additional Journal Information:: Journal Volume: 5; Journal Issue: 46; Journal ID: ISSN 2050-7488

Publisher:: Royal Society of Chemistry

Research Org:: Argonne National Lab. (ANL), Argonne, IL (United States)

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

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE

OSTI Identifier:: 1421979


                    Lau, Ka-Cheong, Shkrob, Ilya A., Dietz Rago, Nancy L., Connell, Justin G., Phelan, Daniel, Hu, Bin, Zhang, Lu, Zhang, Zhengcheng, and Liao, Chen. Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries.  United States: N. p.,  
        Web.  doi:10.1039/C7TA08129D.

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                    Lau, Ka-Cheong, Shkrob, Ilya A., Dietz Rago, Nancy L., Connell, Justin G., Phelan, Daniel, Hu, Bin, Zhang, Lu, Zhang, Zhengcheng, & Liao, Chen. Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries.  United States.  doi:10.1039/C7TA08129D.

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                    Lau, Ka-Cheong, Shkrob, Ilya A., Dietz Rago, Nancy L., Connell, Justin G., Phelan, Daniel, Hu, Bin, Zhang, Lu, Zhang, Zhengcheng, and Liao, Chen. 2017.  
        "Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries".  United States.  
        doi:10.1039/C7TA08129D.  https://www.osti.gov/servlets/purl/1421979.

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@article{osti_1421979,

  title        = {Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries},

  author       = {Lau, Ka-Cheong and Shkrob, Ilya A. and Dietz Rago, Nancy L. and Connell, Justin G. and Phelan, Daniel and Hu, Bin and Zhang, Lu and Zhang, Zhengcheng and Liao, Chen},

  abstractNote = {Lithium–sulfur (Li–S) batteries offer high theoretical capacity and energy density; however, complex nanoengineered cathodes have been required to suppress the unwanted polysulfide shuttling. The textural complexity of such electrodes hinders detailed understanding of their function, impeding the development of new materials. In this report, the redox-active polymer 2,6-polyanthraquinone (PAQ) was incorporated into the cathode. The presence of this polymer improves capacity retention in galvanostatic cycling and inhibits Li corrosion and S deposition. In conclusion, we show that redox reactions of this polymer are strongly coupled to the S redox cycle and hypothesize that the observed improvements in the performance originate from the electrocatalytic inhibition of polysulfide shuttling in this system.},

  doi          = {10.1039/C7TA08129D},

  journal      = {Journal of Materials Chemistry. A},

  number       = 46,

  volume       = 5,

  place        = {United States},

  year         = {2017},

  month        = {11}

}

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Free Publicly Accessible Full Text
Accepted Manuscript (DOE)
Publisher's Version of Record
10.1039/C7TA08129D
https://doi.org/10.1039/C7TA08129D

Works referenced in this record:

Liquid electrolyte lithium/sulfur battery: Fundamental chemistry, problems, and solutions
journal, June 2013

Zhang, Sheng S.
Journal of Power Sources, Vol. 231, p. 153-162
DOI: 10.1016/j.jpowsour.2012.12.102

Li�O₂ and Li�S batteries with high energy storage
journal, January 2012

Bruce, Peter G.; Freunberger, Stefan A.; Hardwick, Laurence J.
Nature Materials, Vol. 11, Issue 1, p. 19-29
DOI: 10.1038/nmat3191

A highly ordered nanostructured carbon�sulphur cathode for lithium�sulphur batteries
journal, May 2009

Ji, Xiulei; Lee, Kyu Tae; Nazar, Linda F.
Nature Materials, Vol. 8, Issue 6, p. 500-506
DOI: 10.1038/nmat2460

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Title: Improved performance through tight coupling of redox cycles of sulfur and 2,6-polyanthraquinone in lithium–sulfur batteries

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