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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202305037
|2 doi
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|a pubmed24n1207.xml
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|a (DE-627)NLM362256551
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|a (NLM)37728857
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Yan, Xiaoli
|e verfasserin
|4 aut
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|a A Redox-Active Covalent Organic Framework with Highly Accessible Aniline-Fused Quinonoid Units Affords Efficient Proton Charge Storage
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|c 2023
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|a Text
|b txt
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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 02.11.2023
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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 Owing to their intrinsic safety and sustainability, aqueous proton batteries have emerged as promising energy devices. Nevertheless, the corrosion or dissolution of electrode materials in acidic electrolytes must be addressed before practical applications. In this study, a cathode material based on a redox-active 2D covalent organic framework (TPAD-COF) with aniline-fused quinonoid units featuring inherently regular open porous channels and excellent stability is developed. The TPAD-COF cathode delivers a high capacity of 126 mAh g-1 at 0.2 A g-1 , paired with long-term cycling stability with capacity retention of 84% after 5000 cycles at 2 A g-1 . Comprehensive ex situ spectroscopy studies correlated with density functional theory (DFT) calculations reveal that both the -NH- and C=O groups of the aniline-fused quinonoid units exhibit prominent redox activity of six electrons during the charge/discharge processes. Furthermore, the assembled punch battery consisting of a TPAD-COF//anthraquinone (AQ) all-organic system delivers a discharge capacity of 115 mAh g-1 at 0.5 A g-1 after 130 cycles, implying the potential application of the TPAD-COF cathode in aqueous proton batteries. This study provides a new perspective on the design of electrode materials for aqueous proton batteries with long-term cycling performance and high capacity
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|a Journal Article
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|a aniline-fused-quinonoid units
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|a aqueous proton batteries
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|a cathodes
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|a covalent organic frameworks
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|a intrinsic proton conductivity
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|a redox-active
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4 |
|a superhydrophilicity
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| 700 |
1 |
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|a Wang, Feixiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Junyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Meiling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bao, Pengli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Weihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Chengxin
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Long
|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 35(2023), 44 vom: 20. Nov., Seite e2305037
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:44
|g day:20
|g month:11
|g pages:e2305037
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|u http://dx.doi.org/10.1002/adma.202305037
|3 Volltext
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