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240114s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202310849
|2 doi
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|a pubmed24n1366.xml
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|a eng
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| 100 |
1 |
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|a Zhou, Xinfeng
|e verfasserin
|4 aut
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| 245 |
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|a Biphasic GaIn Alloy Constructed Stable Percolation Network in Polymer Composites over Ultrabroad Temperature Region
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|c 2024
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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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|a Date Revised 04.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Flexible and adaptable polymer composites with high-performance reliability over wide temperature range are imperative for various applications. However, the distinct filler-matrix thermomechanical behaviors often cause severe structure damage and performance degradation upon large thermal shock. To address this issue, a general strategy is proposed to construct leakage-free, self-adaptive, stable percolation networks in polymer composites over wide temperature (77-473 K) with biphasic Ga35In65 alloy. The in situ micro-CT technology, for the first time, reveals the conformable phase transitions of Ga35In65 alloys in the polymer matrix that help repair the disruptive conductive networks over large temperature variations. The cryo-expanded Ga compensates the disruptive carbon networks at low temperatures, and flowable Ga and melted In at high temperatures conformably fill and repair the deboned interfaces and yielded crevices. As a proof-of-concept, this temperature-resistant composite demonstrates superb electrical conductivity and electromagnetic interference shielding properties and stability even after a large temperature shock (ΔT = 396 K). Furthermore, the superiority of the construction of temperature self-adaptive networks within the composite enables them for additive manufacturing of application-oriented components. This work offers helpful inspiration for developing high-performance polymer composites for extreme-temperature applications
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|a Journal Article
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|a electromagnetic interference shielding
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|a leakage‐free
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|a liquid metal
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|a polymer composites
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|a wide‐temperature region
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1 |
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|a Liu, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Zijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Min, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Zhong-Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nicolosi, Valeria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Hao-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 36(2024), 14 vom: 06. Apr., Seite e2310849
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:14
|g day:06
|g month:04
|g pages:e2310849
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|u http://dx.doi.org/10.1002/adma.202310849
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