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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202101413
|2 doi
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|a pubmed24n1100.xml
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|a (NLM)34480499
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|a DE-627
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|e rakwb
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|a eng
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|a Liang, Gemeng
|e verfasserin
|4 aut
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|a Crystallographic-Site-Specific Structural Engineering Enables Extraordinary Electrochemical Performance of High-Voltage LiNi0.5 Mn1.5 O4 Spinel Cathodes for Lithium-Ion Batteries
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|c 2021
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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
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|2 rdacarrier
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|a Date Revised 01.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a The development of reliable and safe high-energy-density lithium-ion batteries is hindered by the structural instability of cathode materials during cycling, arising as a result of detrimental phase transformations occurring at high operating voltages alongside the loss of active materials induced by transition metal dissolution. Originating from the fundamental structure/function relation of battery materials, the authors purposefully perform crystallographic-site-specific structural engineering on electrode material structure, using the high-voltage LiNi0.5 Mn1.5 O4 (LNMO) cathode as a representative, which directly addresses the root source of structural instability of the Fd 3 ¯ m structure. By employing Sb as a dopant to modify the specific issue-involved 16c and 16d sites simultaneously, the authors successfully transform the detrimental two-phase reaction occurring at high-voltage into a preferential solid-solution reaction and significantly suppress the loss of Mn from the LNMO structure. The modified LNMO material delivers an impressive 99% of its theoretical specific capacity at 1 C, and maintains 87.6% and 72.4% of initial capacity after 1500 and 3000 cycles, respectively. The issue-tracing site-specific structural tailoring demonstrated for this material will facilitate the rapid development of high-energy-density materials for lithium-ion batteries
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|a Journal Article
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|a crystallographic-site-specific
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|a high-voltage spinel cathodes
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|a lithium-ion batteries
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|a structural engineering
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|a structure/function relation of materials
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|a Peterson, Vanessa K
|e verfasserin
|4 aut
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|a Wu, Zhibin
|e verfasserin
|4 aut
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|a Zhang, Shilin
|e verfasserin
|4 aut
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|a Hao, Junnan
|e verfasserin
|4 aut
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|a Lu, Cheng-Zhang
|e verfasserin
|4 aut
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|a Chuang, Cheng-Hao
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Jyh-Fu
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Jue
|e verfasserin
|4 aut
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|a Leniec, Grzegorz
|e verfasserin
|4 aut
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|a Kaczmarek, Sławomir Maksymilian
|e verfasserin
|4 aut
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|a D'Angelo, Anita M
|e verfasserin
|4 aut
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|a Johannessen, Bernt
|e verfasserin
|4 aut
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|a Thomsen, Lars
|e verfasserin
|4 aut
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|a Pang, Wei Kong
|e verfasserin
|4 aut
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|a Guo, Zaiping
|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 33(2021), 44 vom: 01. Nov., Seite e2101413
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:44
|g day:01
|g month:11
|g pages:e2101413
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|u http://dx.doi.org/10.1002/adma.202101413
|3 Volltext
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