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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202110048
|2 doi
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|a pubmed24n1116.xml
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|a (DE-627)NLM335049508
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|a (NLM)34969158
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Gao, Chengwei
|e verfasserin
|4 aut
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|a Metal-Organic Framework Glass Anode with an Exceptional Cycling-Induced Capacity Enhancement for Lithium-Ion Batteries
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 10.03.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Metal-organic frameworks (MOFs) hold great promise as high-energy anode materials for next-generation lithium-ion batteries (LIBs) due to their tunable chemistry, pore structure and abundant reaction sites. However, the pore structure of crystalline MOFs tends to collapse during lithium-ion insertion and extraction, and hence, their electrochemical performances are rather limited. As a critical breakthrough, a MOF glass anode for LIBs has been developed in the present work. In detail, it is fabricated by melt-quenching Cobalt-ZIF-62 (Co(Im)1.75 (bIm)0.25 ) to glass, and then by combining glass with carbon black and binder. The derived anode exhibits high lithium storage capacity (306 mAh g-1 after 1000 cycles at of 2 A g-1 ), outstanding cycling stability, and superior rate performance compared with the crystalline Cobalt-ZIF-62 and the amorphous one prepared by high-energy ball-milling. Importantly, it is found that the Li-ion storage capacity of the MOF glass anode continuously rises with charge-discharge cycling and even tripled after 1000 cycles. Combined spectroscopic and structural analyses, along with density functional theory calculations, reveal the origin of the cycling-induced enhancement of the performances of the MOF glass anode, that is, the increased distortion and local breakage of the CoN coordination bonds making the Li-ion intercalation sites more accessible
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|a Journal Article
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|a anode
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|a capacity enhancement
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|a lithium-ion batteries
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|a metal-organic framework crystal
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|a metal-organic framework glass
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|a Jiang, Zhenjing
|e verfasserin
|4 aut
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| 700 |
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|a Qi, Shibin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Peixing
|e verfasserin
|4 aut
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|a Jensen, Lars Rosgaard
|e verfasserin
|4 aut
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|a Johansen, Morten
|e verfasserin
|4 aut
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1 |
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|a Christensen, Christian Kolle
|e verfasserin
|4 aut
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1 |
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|a Zhang, Yanfei
|e verfasserin
|4 aut
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|a Ravnsbaek, Dorthe Bomholdt
|e verfasserin
|4 aut
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| 700 |
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|a Yue, Yuanzheng
|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 34(2022), 10 vom: 21. März, Seite e2110048
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:34
|g year:2022
|g number:10
|g day:21
|g month:03
|g pages:e2110048
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|u http://dx.doi.org/10.1002/adma.202110048
|3 Volltext
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