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241025s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202413013
|2 doi
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|a pubmed25n1263.xml
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|a (DE-627)NLM379358743
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|a (NLM)39449207
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|a DE-627
|b ger
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|a eng
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| 100 |
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|a Li, Shuqiang
|e verfasserin
|4 aut
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|a Dynamic Lock-And-Release Mechanism Enables Reduced ΔG at Low Temperatures for High-Performance Polyanionic Cathode in Sodium-Ion Batteries
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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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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 05.12.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Low-temperature synthesis of polyanionic cathodes for sodium-ion batteries is highly desirable but often plagued by prolonged reaction times and suboptimal crystallinity. To address these challenges, a novel self-adaptive coordination field regulation (SACFR) strategy based on a dynamic lock-and-release (DLR) mechanism is introduced. Specifically, urea is used as a DLR carrier during synthesis, which dynamically "locks" and "releases" vanadium ions for controlled release, simultaneously "locking" H+ ions to enhance phosphate group release, thereby creating a self-adaptive coordination field that can intelligently respond to real-time demands of the reaction system. This dynamic coordination behavior contributes to both an improvement in reaction kinetics and a significant reduction in Gibbs free energy change (ΔG). As a result, the kinetic efficiency and thermodynamic spontaneity of the reaction are greatly enhanced, enabling the efficient synthesis of high-crystalline Na3V2O2(PO4)2F (NVOPF) at 90 °C within just 3 hours. The as-prepared NVOPF cathode exhibits exceptional rate performance and ultra-stable cycling stability across a broad temperature range. Furthermore, the successful kilogram-scale synthesis underscores the practical potential of the innovative strategy. This work pioneers the regulation of coordination field chemistry for polyanionic cathode synthesis, providing transformative insights into material design
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|a Journal Article
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|a coordination field chemistry
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|a dynamic lock‐and‐release
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|a low‐temperature
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|a polyanionic cathodes
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| 650 |
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|a sodium ion batteries
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| 700 |
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|a Lu, Xueying
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Huaizhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Yufeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Qiannan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yue, Jiasheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Ruiqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Feng
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Chuan
|e verfasserin
|4 aut
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| 700 |
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|a Bai, Ying
|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 36(2024), 49 vom: 24. Dez., Seite e2413013
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:49
|g day:24
|g month:12
|g pages:e2413013
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|u http://dx.doi.org/10.1002/adma.202413013
|3 Volltext
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