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240302s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202400642
|2 doi
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|a pubmed24n1439.xml
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|a (NLM)38428042
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|a eng
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Electropolymerized Bipolar Poly(2,3-diaminophenazine) Cathode for High-Performance Aqueous Al-Ion Batteries with An Extended Temperature Range of -20 to 45 °C
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|c 2024
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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 13.06.2024
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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 Achieving reversible insertion/extraction in most cathodes for aqueous aluminum ion batteries (AAIBs) is a significant challenge due to the high charge density of Al3+ and strong electrostatic interactions. Organic materials facilitate the hosting of multivalent carriers and rapid ions diffusion through the rearrangement of chemical bonds. Here, a bipolar conjugated poly(2,3-diaminophenazine) (PDAP) on carbon substrates prepared via a straightforward electropolymerization method is introduced as cathode for AAIBs. The integration of n-type and p-type active units endow PDAP with an increased number of sites for ions interaction. The long-range conjugated skeleton enhances electron delocalization and collaborates with carbon to ensure high conductivity. Moreover, the strong intermolecular interactions including π-π interaction and hydrogen bonding significantly enhance its stability. Consequently, the Al//PDAP battery exhibits a large capacity of 338 mAh g-1 with long lifespan and high-rate capability. It consistently demonstrates exceptional electrochemical performances even under extreme conditions with capacities of 155 and 348 mAh g-1 at -20 and 45 °C, respectively. In/ex situ spectroscopy comprehensively elucidates its cation/anion (Al3+/H3O+ and ClO4 -) storage with 3-electron transfer in dual electroactive centers (C═N and -NH-). This study presents a promising strategy for constructing high-performance organic cathode for AAIBs over a wide temperature range
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|a Journal Article
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|a aqueous Al‐ion batteries
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|a bipolar polymer cathode
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|a electropolymerization strategy
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|a long‐range conjugated skeleton
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|a wide temperature
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|a Zhang, Shilin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Longhai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Quanwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Hongbao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Junnan
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Tengfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mao, Jianfeng
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Chaofeng
|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), 24 vom: 08. Juni, Seite e2400642
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:24
|g day:08
|g month:06
|g pages:e2400642
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|u http://dx.doi.org/10.1002/adma.202400642
|3 Volltext
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