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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202003070
|2 doi
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|a pubmed24n1039.xml
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|a (DE-627)NLM311750508
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|a (NLM)32596928
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|a DE-627
|b ger
|c DE-627
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|a eng
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| 100 |
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|a Zhao, Yuwei
|e verfasserin
|4 aut
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|a Initiating a Reversible Aqueous Zn/Sulfur Battery through a "Liquid Film"
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Sulfur cathodes have been under intensive study in various systems, such as Li/S, Na/S, Mg/S, and Al/S batteries. However, to date, Zn/S chemistry has never been reported. The first reliable aqueous Zn/polysulfide system activated by a "liquid film" comprising 4-(3-butyl-1-imidazolio)-1-butanesulfoni ionic liquid (IL) encapsulated within PEDOT:PSS. CF3 SO3 - anions in the IL operating as Zn2+ -transfer channels is reported. Moreover, the PEDOT:PSS network retains the IL, which renders Zn2+ -transfer channels and a polysulfide cathode with enhanced structural stability. The Zn/polysulfide system delivers extraordinary capacity of 1148 mAh g-1 and overwhelming energy density of 724.7 Wh kg-1 cathode at 0.3 Ag-1 . During the discharging phase, S6 2- is dominantly reduced by Zn to S2- (S6 → S2- ). During the charging phase, these short chains are oxidized to form long-chain Znx Liy S3-6 . A further optimized high-concentrated salt electrolyte is used to improve the reversibility of the battery, demonstrating an extended lifetime over 1600 cycles at 1 Ag-1 with a capacity retention of 204 mAh g-1 . This facile approach and the superior performance of the developed aqueous Zn/S chemistry provide a new platform for sulfur-based battery and potentially solve the problems of other metal/sulfur batteries
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|a Journal Article
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|a aqueous batteries
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|a ionic liquid films
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|a sulfur cathodes
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|a zinc ion batteries
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|a zinc/sulfur batteries
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|a Wang, Donghong
|e verfasserin
|4 aut
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|a Li, Xinliang
|e verfasserin
|4 aut
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|a Yang, Qi
|e verfasserin
|4 aut
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|a Guo, Ying
|e verfasserin
|4 aut
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|a Mo, Funian
|e verfasserin
|4 aut
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| 700 |
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|a Li, Qing
|e verfasserin
|4 aut
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| 700 |
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|a Peng, Chengxin
|e verfasserin
|4 aut
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|a Li, Hongfei
|e verfasserin
|4 aut
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| 700 |
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|a Zhi, Chunyi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 32 vom: 01. Aug., Seite e2003070
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:32
|g day:01
|g month:08
|g pages:e2003070
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|u http://dx.doi.org/10.1002/adma.202003070
|3 Volltext
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