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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202003657
|2 doi
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|a pubmed24n1042.xml
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|a (DE-627)NLM312625499
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|a (NLM)32686213
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Liu, Bo
|e verfasserin
|4 aut
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|a Coupling a Sponge Metal Fibers Skeleton with In Situ Surface Engineering to Achieve Advanced Electrodes for Flexible Lithium-Sulfur Batteries
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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
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|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 Lithium-sulfur batteries (LSBs) are regarded as promising next-generation energy storage systems, however, the uncontrollable dendrite formation and serious polysulfide shuttling severely hinder their commercial success. Herein, a powerful 3D sponge nickel (SN) skeleton plus in situ surface engineering strategy, to address these issues synergistically, is reported, and a high-performance flexible LSB device is constructed. Specifically, the rationally designed spray-quenched lithium metal on the SN matrix (solid electrolyte interface (SEI)Li/SN), as dendrite inhibitor, combines the merits of the 3D lithiophilic SN skeleton and the in situ formed SEI layer derived from the spray-quenching process, and thereby exhibits a steady overpotential within 75 mV for 1500 h at 5 mA cm-2 /10 mA h cm-2 . Meanwhile, in situ surface sulfurization of the SN skeleton hybridizing with the carbon/sulfur composite (SC@Ni3 S2 /SN) serves as efficient lithium polysulfide adsorbent to catalyze the overall reaction kinetics. COMSOL Multiphysics simulations and density functional theory calculations are further conducted to explore the underlying mechanisms. As a proof of concept, the well-designed SEI@Li/SN||SC@Ni3 S2 /SN full cell shows excellent electrochemical performance with a negative/positive ratio in capacity of ≈2 and capacity retention of 99.82% at 1 C under mechanical deformation. The novel design principles of these materials and electrodes successfully shed new light on the development of flexible LSBs
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|a Journal Article
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|a flexible lithium-sulfur batteries
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|a lithium metal anodes
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|a sponge nickel
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|a spray quenching
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|a sulfur cathodes
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|a Zhang, Yan
|e verfasserin
|4 aut
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|a Wang, Zilin
|e verfasserin
|4 aut
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1 |
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|a Ai, Changzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Sufu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhong, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Shiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Shengjue
|e verfasserin
|4 aut
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|a Liu, Qi
|e verfasserin
|4 aut
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1 |
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|a Pan, Guoxiang
|e verfasserin
|4 aut
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|a Wang, Xiuli
|e verfasserin
|4 aut
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|a Xia, Xinhui
|e verfasserin
|4 aut
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| 700 |
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|a Tu, Jiangping
|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), 34 vom: 01. Aug., Seite e2003657
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:34
|g day:01
|g month:08
|g pages:e2003657
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|u http://dx.doi.org/10.1002/adma.202003657
|3 Volltext
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