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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202204810
|2 doi
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|a pubmed24n1149.xml
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|a (DE-627)NLM344722473
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|a (NLM)35953449
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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 |
1 |
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|a Qi, Yaqin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Dynamic Liquid Metal Catalysts for Boosted Lithium Polysulfides Redox Reaction
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|c 2022
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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 28.09.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Designing efficient electrocatalysts with high electroconductivity, strong chemisorption, and superior catalytical efficiency to realize rapid kinetics of the lithium polysulfides (LiPSs) conversion process is crucial for practical lithium-sulfur (Li-S) battery applications. Unfortunately, most current electrocatalysts cannot maintain long-term stability due to the possible failure of catalytic sites. Herein, a novel dynamic electrocatalytic strategy with the liquid metal (i.e., gallium-tin, EGaSn) to facilitate LiPSs redox reaction is reported. The combined theoretical simulations and microstructure experiment analysis reveal that Sn atoms dynamically distributed in the liquid Ga matrix act as the main active catalytic center. Meanwhile, Ga provides a uniquely dynamic environment to maintain the long-term integrity of the catalytic system. With the participation of EGaSn, a tailor-made 2 Ah Li-S pouch cell with a specific energy density of 307.7 Wh kg-1 is realized. This work opens up new opportunities for liquid-phase binary alloys as electrocatalysts for high-specific-energy Li-S batteries
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|a Journal Article
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|a Li-S batteries
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|a dynamic environment
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| 650 |
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|a electrocatalysts
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| 650 |
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4 |
|a liquid metals
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| 700 |
1 |
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|a Li, Nan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Kun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Zengying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Jingyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hou, Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Chao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jin, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Zuling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Keyu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 39 vom: 09. Sept., Seite e2204810
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:39
|g day:09
|g month:09
|g pages:e2204810
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|u http://dx.doi.org/10.1002/adma.202204810
|3 Volltext
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