Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries

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Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries. / Chourdhury, Soumyadip; Krüner, Benjamin; Massuti-Ballester, Pau et al.
In: Journal of power sources, Vol. 357.2017, No. 31. July, 09.05.2017, p. 198-208.

Research output: Contribution to journalArticleResearchpeer-review

Harvard

Chourdhury, S, Krüner, B, Massuti-Ballester, P, Tolosa, A, Prehal, C, Grobelsek, I, Paris, O, Borchardt, L & Presser, V 2017, 'Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries', Journal of power sources, vol. 357.2017, no. 31. July, pp. 198-208. https://doi.org/10.1016/j.jpowsour.2017.05.005

APA

Chourdhury, S., Krüner, B., Massuti-Ballester, P., Tolosa, A., Prehal, C., Grobelsek, I., Paris, O., Borchardt, L., & Presser, V. (2017). Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries. Journal of power sources, 357.2017(31. July), 198-208. Advance online publication. https://doi.org/10.1016/j.jpowsour.2017.05.005

Vancouver

Chourdhury S, Krüner B, Massuti-Ballester P, Tolosa A, Prehal C, Grobelsek I et al. Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries. Journal of power sources. 2017 May 9;357.2017(31. July):198-208. Epub 2017 May 9. doi: 10.1016/j.jpowsour.2017.05.005

Author

Chourdhury, Soumyadip ; Krüner, Benjamin ; Massuti-Ballester, Pau et al. / Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries. In: Journal of power sources. 2017 ; Vol. 357.2017, No. 31. July. pp. 198-208.

Bibtex - Download

@article{4f9f01d683c04ff8b3ec1a5b84a887f7,
title = "Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries",
abstract = "Novolac-derived nanoporous carbon beads were used as conductive matrix for lithium-sulfur battery cathodes. We employed a facile self-emulsifying synthesis to obtain sub-micrometer novolac-derived carbon beads with nanopores. After pyrolysis, the carbon beads showed already a specific surface area of 640 m2 g-1 which was increased to 2080 m2 g-1 after physical activation. The non-activated and the activated carbon beads represent nanoporous carbon with a medium and a high surface area, respectively. This allows us to assess the influence of the porosity on the electrochemical performance of lithium-sulfur battery cathodes. The carbon/sulfur hybrids were obtained from two different approaches of sulfur infiltration: melt-infusion of sulfur (annealing) and in situ formation of sulfur from sodium thiosulfate. The best performance (∼880 mAh gsulfur-1 at low charge rate; 5th cycle) and high performance stability (>600 mAh gsulfur-1 after 100 cycles) were found for the activated carbon beads when using melt infusion of sulfur. ",
author = "Soumyadip Chourdhury and Benjamin Kr{\"u}ner and Pau Massuti-Ballester and Aura Tolosa and Christian Prehal and Ingrid Grobelsek and Oskar Paris and Lars Borchardt and Volker Presser",
year = "2017",
month = may,
day = "9",
doi = "10.1016/j.jpowsour.2017.05.005",
language = "English",
volume = "357.2017",
pages = "198--208",
journal = "Journal of power sources",
issn = "0378-7753",
publisher = "Elsevier",
number = "31. July",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Microporous novolac-derived carbon beads/sulfur hybrid cathode for lithium-sulfur batteries

AU - Chourdhury, Soumyadip

AU - Krüner, Benjamin

AU - Massuti-Ballester, Pau

AU - Tolosa, Aura

AU - Prehal, Christian

AU - Grobelsek, Ingrid

AU - Paris, Oskar

AU - Borchardt, Lars

AU - Presser, Volker

PY - 2017/5/9

Y1 - 2017/5/9

N2 - Novolac-derived nanoporous carbon beads were used as conductive matrix for lithium-sulfur battery cathodes. We employed a facile self-emulsifying synthesis to obtain sub-micrometer novolac-derived carbon beads with nanopores. After pyrolysis, the carbon beads showed already a specific surface area of 640 m2 g-1 which was increased to 2080 m2 g-1 after physical activation. The non-activated and the activated carbon beads represent nanoporous carbon with a medium and a high surface area, respectively. This allows us to assess the influence of the porosity on the electrochemical performance of lithium-sulfur battery cathodes. The carbon/sulfur hybrids were obtained from two different approaches of sulfur infiltration: melt-infusion of sulfur (annealing) and in situ formation of sulfur from sodium thiosulfate. The best performance (∼880 mAh gsulfur-1 at low charge rate; 5th cycle) and high performance stability (>600 mAh gsulfur-1 after 100 cycles) were found for the activated carbon beads when using melt infusion of sulfur.

AB - Novolac-derived nanoporous carbon beads were used as conductive matrix for lithium-sulfur battery cathodes. We employed a facile self-emulsifying synthesis to obtain sub-micrometer novolac-derived carbon beads with nanopores. After pyrolysis, the carbon beads showed already a specific surface area of 640 m2 g-1 which was increased to 2080 m2 g-1 after physical activation. The non-activated and the activated carbon beads represent nanoporous carbon with a medium and a high surface area, respectively. This allows us to assess the influence of the porosity on the electrochemical performance of lithium-sulfur battery cathodes. The carbon/sulfur hybrids were obtained from two different approaches of sulfur infiltration: melt-infusion of sulfur (annealing) and in situ formation of sulfur from sodium thiosulfate. The best performance (∼880 mAh gsulfur-1 at low charge rate; 5th cycle) and high performance stability (>600 mAh gsulfur-1 after 100 cycles) were found for the activated carbon beads when using melt infusion of sulfur.

U2 - 10.1016/j.jpowsour.2017.05.005

DO - 10.1016/j.jpowsour.2017.05.005

M3 - Article

VL - 357.2017

SP - 198

EP - 208

JO - Journal of power sources

JF - Journal of power sources

SN - 0378-7753

IS - 31. July

ER -