Hierarchical N-Rich Carbon Sponge with Excellent Cycling Performance for Lithium-Sulfur Battery at High Rates

Mengmeng Zhen; Juan Wang; Xin Wang; Cheng Wang

doi:10.1002/chem.201705515

Hierarchical N-Rich Carbon Sponge with Excellent Cycling Performance for Lithium-Sulfur Battery at High Rates

Mengmeng Zhen, Juan Wang, Xin Wang, Cheng Wang^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

19 Citations (Scopus)

Abstract

Lithium–sulfur batteries (LSBs) are receiving extensive attention because of their high theoretical energy density. However, practical applications of LSBs are still hindered by their rapid capacity decay and short cycle life, especially at high rates. Herein, a highly N-doped (≈13.42 at %) hierarchical carbon sponge (HNCS) with strong chemical adsorption for lithium polysulfide is fabricated through a simple sol-gel route followed by carbonization. Upon using the HNCS as the sulfur host material in the cathode and an HNCS-coated separator, the battery delivers an excellent cycling stability with high specific capacities of 424 and 326 mA h g<sup>−1</sup> and low capacity fading rates of 0.033 % and 0.030 % per cycle after 1000 cycles under high rates of 5 and 10 C, respectively, which are superior to those of other reported carbonaceous materials. These impressive cycling performances indicate that such a battery could promote the practical application prospects of LSBs. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Original language	English
Pages (from-to)	5860-5867
Journal	Chemistry - A European Journal
Volume	24
Issue number	22
DOIs	https://doi.org/10.1002/chem.201705515
Publication status	Published - 17 Apr 2018
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

carbon
chemical adsorption
doping
high rates
lithium–sulfur batteries
multilayer pyrrolic N
nitrogen

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access Output

10.1002/chem.201705515

Other Access Options

Check CityUHK Library

Permanent Link

Right click to copy link

Cite this

@article{d93a7d44d0f349b4988e063c8d08b3ef,

title = "Hierarchical N-Rich Carbon Sponge with Excellent Cycling Performance for Lithium-Sulfur Battery at High Rates",

abstract = "Lithium–sulfur batteries (LSBs) are receiving extensive attention because of their high theoretical energy density. However, practical applications of LSBs are still hindered by their rapid capacity decay and short cycle life, especially at high rates. Herein, a highly N-doped (≈13.42 at %) hierarchical carbon sponge (HNCS) with strong chemical adsorption for lithium polysulfide is fabricated through a simple sol-gel route followed by carbonization. Upon using the HNCS as the sulfur host material in the cathode and an HNCS-coated separator, the battery delivers an excellent cycling stability with high specific capacities of 424 and 326 mA h g−1 and low capacity fading rates of 0.033 % and 0.030 % per cycle after 1000 cycles under high rates of 5 and 10 C, respectively, which are superior to those of other reported carbonaceous materials. These impressive cycling performances indicate that such a battery could promote the practical application prospects of LSBs. {\textcopyright} 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

keywords = "carbon, chemical adsorption, doping, high rates, lithium–sulfur batteries, multilayer pyrrolic N, nitrogen",

author = "Mengmeng Zhen and Juan Wang and Xin Wang and Cheng Wang",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].",

year = "2018",

month = apr,

day = "17",

doi = "10.1002/chem.201705515",

language = "English",

volume = "24",

pages = "5860--5867",

journal = "Chemistry - A European Journal",

issn = "0947-6539",

publisher = "John Wiley & Sons",

number = "22",

}

TY - JOUR

T1 - Hierarchical N-Rich Carbon Sponge with Excellent Cycling Performance for Lithium-Sulfur Battery at High Rates

AU - Zhen, Mengmeng

AU - Wang, Juan

AU - Wang, Xin

AU - Wang, Cheng

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2018/4/17

Y1 - 2018/4/17

N2 - Lithium–sulfur batteries (LSBs) are receiving extensive attention because of their high theoretical energy density. However, practical applications of LSBs are still hindered by their rapid capacity decay and short cycle life, especially at high rates. Herein, a highly N-doped (≈13.42 at %) hierarchical carbon sponge (HNCS) with strong chemical adsorption for lithium polysulfide is fabricated through a simple sol-gel route followed by carbonization. Upon using the HNCS as the sulfur host material in the cathode and an HNCS-coated separator, the battery delivers an excellent cycling stability with high specific capacities of 424 and 326 mA h g−1 and low capacity fading rates of 0.033 % and 0.030 % per cycle after 1000 cycles under high rates of 5 and 10 C, respectively, which are superior to those of other reported carbonaceous materials. These impressive cycling performances indicate that such a battery could promote the practical application prospects of LSBs. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

AB - Lithium–sulfur batteries (LSBs) are receiving extensive attention because of their high theoretical energy density. However, practical applications of LSBs are still hindered by their rapid capacity decay and short cycle life, especially at high rates. Herein, a highly N-doped (≈13.42 at %) hierarchical carbon sponge (HNCS) with strong chemical adsorption for lithium polysulfide is fabricated through a simple sol-gel route followed by carbonization. Upon using the HNCS as the sulfur host material in the cathode and an HNCS-coated separator, the battery delivers an excellent cycling stability with high specific capacities of 424 and 326 mA h g−1 and low capacity fading rates of 0.033 % and 0.030 % per cycle after 1000 cycles under high rates of 5 and 10 C, respectively, which are superior to those of other reported carbonaceous materials. These impressive cycling performances indicate that such a battery could promote the practical application prospects of LSBs. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

KW - carbon

KW - chemical adsorption

KW - doping

KW - high rates

KW - lithium–sulfur batteries

KW - multilayer pyrrolic N

KW - nitrogen

UR - http://www.scopus.com/inward/record.url?scp=85044190593&partnerID=8YFLogxK

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85044190593&origin=recordpage

U2 - 10.1002/chem.201705515

DO - 10.1002/chem.201705515

M3 - RGC 21 - Publication in refereed journal

C2 - 29336071

SN - 0947-6539

VL - 24

SP - 5860

EP - 5867

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

IS - 22

ER -

Hierarchical N-Rich Carbon Sponge with Excellent Cycling Performance for Lithium-Sulfur Battery at High Rates

Abstract

Bibliographical note

Research Keywords

UN SDGs

Access Output

Other Access Options

Permanent Link

Other Files and Links

Fingerprint

Cite this