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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203814
|2 doi
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|a pubmed25n1142.xml
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|a eng
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|a Ma, Zheng
|e verfasserin
|4 aut
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|a A Superconducting-Material-Based Maglev Generator Used for Outer-Space
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|c 2022
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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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|a Date Revised 18.08.2022
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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 Solar cells are conventionally used to harvest energy in outer space, but they are ineffective in dark locations. Here, it is shown that superconducting materials-which work best in cold environments, such as those found in outer space-provide a mechanism to harvest energy that does not require light. A superconducting magnetic levitation (maglev) magnetoelectric generator (SMMG) can convert mechanical impacts to electricity at its working temperature <90 K. The SMMG device consists of a permanent magnet, a conductive coil, and a superconducting layer (SL). Owing to the existence of the SL, the permanent magnet levitates over the SL and rapidly returns to an equilibrium height after being displaced by a mechanical impact. The impact changes the gap between the levitated magnet and the coil, resulting in a variation in magnetic flux that induces electrical current in the coil. Thus, the SMMG converts low-frequency (<3.7 Hz) mechanical energy to electricity. The output maximum peak voltage, peak power, and peak power density of the SMMG are 4.3 V, 35 mW, and 17.8 W m-2 , respectively, with a load resistance of 300 Ω. The SMMG can charge a capacitor of 10 000 µF to 3.8 V with a continuous impact, which is sufficient to power critical wireless communication. The superconductor works best in cold environments and therefore is well-suited for providing electricity to sensors and communication devices in outer space, particularly in places where the sun may not reach
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|a Journal Article
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|a energy harvesting
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|a maglev
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|a magnetoelectric materials
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|a outer-space
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|a superconducting materials
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1 |
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|a Wang, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Zhenhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Dezhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Chunze
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Yusheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dickey, Michael D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Bin
|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), 33 vom: 31. Aug., Seite e2203814
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:34
|g year:2022
|g number:33
|g day:31
|g month:08
|g pages:e2203814
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|u http://dx.doi.org/10.1002/adma.202203814
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