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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202309024
|2 doi
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|a pubmed24n1256.xml
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|a (DE-627)NLM363409319
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|a (NLM)37848387
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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 Lao, Zhoujie
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Band Structure Engineering and Orbital Orientation Control Constructing Dual Active Sites for Efficient Sulfur Redox Reaction
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 11.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a The kinetics difference among multistep electrochemical processes leads to the accumulation of soluble polysulfides and thus shuttle effect in lithium-sulfur (Li-S) batteries. While the interaction between catalysts and representative species has been reported, the root of the kinetics difference, interaction change among redox reactions, remains unclear, which significantly impedes the catalysts design for Li-S batteries. Here, this work deciphers the interaction change among electrocatalytic sulfur reactions, using tungsten disulfide (WS2 ) a model system to demonstrate the efficiency of modifying electrocatalytic selectivity via dual-coordination design. Band structure engineering and orbital orientation control are combined to guide the design of WS2 with boron dopants and sulfur vacancies (B-WS2- x ), accurately modulating interaction with lithium and sulfur sites in polysulfide species for relatively higher interaction with short-chain polysulfides. The modified interaction trend is experimentally confirmed by distinguishing the kinetics of each electrochemical reaction step, indicating the effectiveness of the designed strategy. An Ah-level pouch cell with B-WS2- x delivers a gravimetric energy density of up to 417.6 Wh kg-1 with a low electrolyte/sulfur ratio of 3.6 µL mg-1 and negative/positive ratio of 1.2. This work presents a dual-coordination strategy for advancing evolutionarily catalytic activity, offering a rational strategy to develop effective catalysts for practical Li-S batteries
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4 |
|a Journal Article
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4 |
|a band engineering
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| 650 |
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4 |
|a defect engineering
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| 650 |
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4 |
|a dual-coordination
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| 650 |
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4 |
|a lithium-sulfur battery
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| 650 |
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4 |
|a sulfur redox reaction
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| 700 |
1 |
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|a Han, Zhiyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Jiabin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Mengtian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Xinru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Yeyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Runhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Yanfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Kuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Guangmin
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 2 vom: 28. Jan., Seite e2309024
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:2
|g day:28
|g month:01
|g pages:e2309024
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202309024
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 36
|j 2024
|e 2
|b 28
|c 01
|h e2309024
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