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Article: MXene based self-assembled cathode and antifouling separator for high-rate and dendrite-inhibited Li–S battery

TitleMXene based self-assembled cathode and antifouling separator for high-rate and dendrite-inhibited Li–S battery
Authors
KeywordsLithium–sulfur battery
Self-assembled channels
2D MXene
Antifouling separator
Issue Date2019
Citation
Nano Energy, 2019, v. 61, p. 478-485 How to Cite?
AbstractWe demonstrate a novel strategy to enhance sulfur loading and rate performance for Li–S battery by synchronously coupling a nanostructured cathode with an antifouling separator via a facile electrostatic self-assembly approach. The assembly of two dimensional (2D)MXene and positively charged 1D CNT-Polyethyleneimine was observed to controllably address the key issues of sluggish ionic transport, and produce an integrate cathode with dynamic crosslinking network. Moreover, an antifouling separator is proposed by this strategy for the first time, which features well-organized inter-lamellar porosity, dual polarity and high conductivity. The antifouling separator is found to play a pivotal role in: 1)low-order polysulfide activation, 2)high rate cyclability, and 3)Li dendrites inhibition. Our integrated design realizes a long-term capacity of 980 mAh g at 5 mA cm over 500 cycles (sulfur loading: 2.6 mg cm ). Furthermore, a flexible self-assembled cathode with high loading (5.8 mg cm )and superb mechanical strength (13 MPa), demonstrates an appealing areal capacity of 7.1 mAh cm and rate performance at nearly 10 mA cm . −1 −2 −2 −2 −2 −2
Persistent Identifierhttp://hdl.handle.net/10722/298306
ISSN
2023 Impact Factor: 16.8
2023 SCImago Journal Rankings: 4.685
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGuo, Dong-
dc.contributor.authorMing, Fangwang-
dc.contributor.authorSu, Hang-
dc.contributor.authorWu, Yingqiang-
dc.contributor.authorWahyudi, Wandi-
dc.contributor.authorLi, Mengliu-
dc.contributor.authorHedhili, Mohammed N.-
dc.contributor.authorSheng, Guan-
dc.contributor.authorLi, Lain Jong-
dc.contributor.authorAlshareef, Husam N.-
dc.contributor.authorLi, Yangxing-
dc.contributor.authorLai, Zhiping-
dc.date.accessioned2021-04-08T03:08:07Z-
dc.date.available2021-04-08T03:08:07Z-
dc.date.issued2019-
dc.identifier.citationNano Energy, 2019, v. 61, p. 478-485-
dc.identifier.issn2211-2855-
dc.identifier.urihttp://hdl.handle.net/10722/298306-
dc.description.abstractWe demonstrate a novel strategy to enhance sulfur loading and rate performance for Li–S battery by synchronously coupling a nanostructured cathode with an antifouling separator via a facile electrostatic self-assembly approach. The assembly of two dimensional (2D)MXene and positively charged 1D CNT-Polyethyleneimine was observed to controllably address the key issues of sluggish ionic transport, and produce an integrate cathode with dynamic crosslinking network. Moreover, an antifouling separator is proposed by this strategy for the first time, which features well-organized inter-lamellar porosity, dual polarity and high conductivity. The antifouling separator is found to play a pivotal role in: 1)low-order polysulfide activation, 2)high rate cyclability, and 3)Li dendrites inhibition. Our integrated design realizes a long-term capacity of 980 mAh g at 5 mA cm over 500 cycles (sulfur loading: 2.6 mg cm ). Furthermore, a flexible self-assembled cathode with high loading (5.8 mg cm )and superb mechanical strength (13 MPa), demonstrates an appealing areal capacity of 7.1 mAh cm and rate performance at nearly 10 mA cm . −1 −2 −2 −2 −2 −2-
dc.languageeng-
dc.relation.ispartofNano Energy-
dc.subjectLithium–sulfur battery-
dc.subjectSelf-assembled channels-
dc.subject2D MXene-
dc.subjectAntifouling separator-
dc.titleMXene based self-assembled cathode and antifouling separator for high-rate and dendrite-inhibited Li–S battery-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.nanoen.2019.05.011-
dc.identifier.scopuseid_2-s2.0-85065437989-
dc.identifier.volume61-
dc.identifier.spage478-
dc.identifier.epage485-
dc.identifier.isiWOS:000471201800057-
dc.identifier.issnl2211-2855-

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