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240108s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202308927
|2 doi
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|a pubmed24n1366.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhao, Xin-Xin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Dynamic Li+ Capture through Ligand-Chain Interaction for the Regeneration of Depleted LiFePO4 Cathode
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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
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|2 rdacarrier
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|a Date Revised 04.04.2024
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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 After application in electric vehicles, spent LiFePO4 (LFP) batteries are typically decommissioned. Traditional recycling methods face economic and environmental constraints. Therefore, direct regeneration has emerged as a promising alternative. However, irreversible phase changes can significantly hinder the efficiency of the regeneration process owing to structural degradation. Moreover, improper storage and treatment practices can lead to metamorphism, further complicating the regeneration process. In this study, a sustainable recovery method is proposed for the electrochemical repair of LFP batteries. A ligand-chain Zn-complex (ZnDEA) is utilized as a structural regulator, with its ─NH─ group alternatingly facilitating the binding of preferential transition metal ions (Fe3+ during charging and Zn2+ during discharging). This dynamic coordination ability helps to modulate volume changes within the recovered LFP framework. Consequently, the recovered LFP framework can store more Li-ions, enhance phase transition reversibility between LFP and FePO4 (FP), modify the initial Coulombic efficiency, and reduce polarization voltage differences. The recovered LFP cells exhibit excellent capacity retention of 96.30% after 1500 cycles at 2 C. The ligand chain repair mechanism promotes structural evolution to facilitate ion migration, providing valuable insights into the targeted ion compensation for environmentally friendly recycling in practical applications
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|a Journal Article
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|a LiFePO4 cathode
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| 650 |
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4 |
|a dynamic Li compensation
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| 650 |
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4 |
|a ligand‐chain repair
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| 650 |
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|a spent Li‐ion batteries
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| 650 |
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4 |
|a sustainable recovery
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| 700 |
1 |
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|a Wang, Xiao-Tong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Jin-Zhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Zhen-Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Jun-Ming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jia-Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Feng-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jing-Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Xing-Long
|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), 14 vom: 03. Apr., Seite e2308927
|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:14
|g day:03
|g month:04
|g pages:e2308927
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202308927
|3 Volltext
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