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250508s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202419918
|2 doi
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|a pubmed25n1325.xml
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|a (DE-627)NLM384758428
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|a (NLM)39995374
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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 Shi, Mengjiao
|e verfasserin
|4 aut
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| 245 |
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|a Nanocellulose-Derived Hierarchical Carbon Framework-Supported P-Doped MoO2 Nanoparticles for Optimizing Redox Kinetics in Lithium-Sulfur Batteries
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|c 2025
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| 336 |
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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 25.02.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2025 Wiley‐VCH GmbH.
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|a The integration of nanocatalysts into the separators of lithium-sulfur batteries (LSBs) boosts the polysulfide conversion efficiency. However, the aggregation of catalyst nanoparticles diminishes the active surface area. Moreover, densely packed catalyst-modified layers often hinder ion transport rates and impede access to the catalytic sites. To overcome these challenges, a strategy is reported for modifying commercial separators, using wood nanocellulose as a building block to construct hierarchical P-doped MoO2-x nanoparticles anchored on N, P co-doped porous carbon (P-MoO2-x/NPC). The web-like entangled nanocellulose forms a framework for the in situ polymerization of polyaniline, providing abundant anchoring sites for MoO2 nanoparticles. The addition of P atoms optimizes the d-band center of MoO2 and enhances the catalytic activity of polysulfide conversion. The LSBs assembled using a P-MoO2-x/NPC coated polypropylene separator display an initial discharge capacity of 1621 mAh g-1 and rate performance of 774 mAh g-1 at 5 C. Even with a sulfur loading of 8.1 mg cm-2 and lean electrolyte conditions, the cell achieves an initial areal capacity of 11.3 mAh cm-2 at 0.1 C. This work provides a biopolymer nanofiber solution for constructing LSB separators with advanced electrochemical reactivity
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|a Journal Article
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|a catalytic
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|a lithium–sulfur batteries
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|a molybdenum dioxide
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|a nanocellulose
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|a separator
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|a Han, Xue
|e verfasserin
|4 aut
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|a Qu, Wen
|e verfasserin
|4 aut
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|a Jiang, Meihui
|e verfasserin
|4 aut
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|a Li, Qing
|e verfasserin
|4 aut
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|a Jiang, Feng
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Xiang
|e verfasserin
|4 aut
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| 700 |
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|a Ifuku, Shinsuke
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Chunlei
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Chao
|e verfasserin
|4 aut
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|a Hu, Junfeng
|e verfasserin
|4 aut
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|a Yang, Liansheng
|e verfasserin
|4 aut
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| 700 |
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|a Lin, Yuanjun
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Haipeng
|e verfasserin
|4 aut
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|a Liu, Shouxin
|e verfasserin
|4 aut
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| 700 |
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|a Li, Jian
|e verfasserin
|4 aut
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|a Wu, Yiqiang
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Wenshuai
|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 (2025) vom: 25. Feb., Seite e2419918
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g year:2025
|g day:25
|g month:02
|g pages:e2419918
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202419918
|3 Volltext
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