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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002577
|2 doi
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|a pubmed24n1037.xml
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|a eng
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| 100 |
1 |
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|a Ding, Yu
|e verfasserin
|4 aut
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| 245 |
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|a Room-Temperature All-Liquid-Metal Batteries Based on Fusible Alloys with Regulated Interfacial Chemistry and Wetting
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 16.11.2020
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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 Liquid metal batteries are regarded as potential electrochemical systems for stationary energy storage. Currently, all reported liquid metal batteries need to be operated at temperatures above 240 °C to maintain the metallic electrodes in a molten state. Here, an unprecedented room-temperature liquid metal battery employing a sodium-potassium (Na-K) alloy anode and gallium (Ga)-based alloy cathodes is demonstrated. Compared with lead (Pb)- and mercury (Hg)-based liquid metal electrodes, the nontoxic Ga alloys maintain high environmental benignity. On the basis of improved wetting and stabilized interfacial chemistry, such liquid metal batteries deliver stable cycling performance and negligible self-discharge. Different from the conventional interphase between a typical solid electrode and a liquid electrolyte, the interphase between a liquid metal and a liquid electrolyte is directly visualized via advanced 3D chemical analysis. Insights into this new type of liquid electrode/electrolyte interphase reveal its important role in regulating charge carriers and stabilizing the redox chemistry. With facile cell fabrication, simplified battery structures, high safety, and low maintenance costs, room-temperature liquid metal batteries not only show great prospects for widespread applications, but also offer a pathway toward developing innovative energy-storage devices beyond conventional solid-state batteries or high-temperature batteries
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|a Journal Article
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|a Na-ion batteries
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4 |
|a interfacial chemistry
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|a liquid metals
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|a room temperature
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|a smart grid
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1 |
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|a Guo, Xuelin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qian, Yumin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Leigang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dolocan, Andrei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Guihua
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 30 vom: 01. Juli, Seite e2002577
|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:30
|g day:01
|g month:07
|g pages:e2002577
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|u http://dx.doi.org/10.1002/adma.202002577
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