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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202000958
|2 doi
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|a pubmed24n1030.xml
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|a (DE-627)NLM30907777X
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|a (NLM)32323393
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Ma, Mingze
|e verfasserin
|4 aut
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|a Heterostructures of 2D Molybdenum Dichalcogenide on 2D Nitrogen-Doped Carbon
|b Superior Potassium-Ion Storage and Insight into Potassium Storage Mechanism
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Constructing 2D heterostructure materials by stacking different 2D materials can combine the merits of the individual building blocks while eliminating their shortcomings. Dichalcogenides are attractive anodes for potassium-ion batteries (KIBs) due to their high theoretical capacity. However, the practical application of dichalcogenide is greatly hampered by the poor electrochemical performance due to sluggish kinetics of K+ insertion and the electrode structure collapse resulting from the large K+ insertion. Herein, heterostructures of 2D molybdenum dichalcogenide on 2D nitrogen-doped carbon (MoS2 , MoSe2 -on-NC) are prepared to boost their potassium storage performance. The unique 2D heterostructures possess built-in heterointerfaces, facilitating K+ diffusion. The robust chemical bonds (CS, CSe, CMo bonds) enhance the mechanical strength of electrodes, thus suppressing the volume expansion. The 2D N-doped carbon nanosheets interconnected as a 3D structure offer a fast diffusion path for electrons. Benefitting from these merits, both the MoS2 -on-NC and the MoSe2 -on-NC exhibit unprecedented cycle life. Moreover, the electrochemical reaction mechanism of MoSe2 is revealed during the process of potassiation and depotassiation
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|a Journal Article
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|a MoS2
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|a MoSe2
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|a chemical bonding
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|a heterostructures
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|a potassium-ion batteries
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|a Zhang, Shipeng
|e verfasserin
|4 aut
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|a Yao, Yu
|e verfasserin
|4 aut
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1 |
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|a Wang, Haiyun
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Huijuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jiawei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xuefeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wenjing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Zhangquan
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Xiaojun
|e verfasserin
|4 aut
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|a Hou, Yanglong
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Yan
|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 32(2020), 22 vom: 22. Juni, Seite e2000958
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:22
|g day:22
|g month:06
|g pages:e2000958
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|u http://dx.doi.org/10.1002/adma.202000958
|3 Volltext
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