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250714s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202501809
|2 doi
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|a pubmed25n1510.xml
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|a (DE-627)NLM388361816
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|a (NLM)40351001
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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 Ming, Zechang
|e verfasserin
|4 aut
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|a Photothermal-Responsive Aerogel-Hydrogel Binary System for Efficient Water Purification and All-Weather Hydrovoltaic Generation
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|c 2025
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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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|2 rdacarrier
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|a Date Revised 29.07.2025
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2025 Wiley‐VCH GmbH.
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|a Hydrovoltaic generators (HVGs) convert abundant water energy into distributed electricity to promote the Internet of Things. Realizing low-cost yet high-performance HVG remains challenging, hindering its commercialization and application. Inspired by the xylem conduits in plants, which transport water and nutrients, an aerogel-hydrogel binary-component system (SHA-HVG) is developed. It consists of a photothermal graphite-doped polyvinylidene fluoride (G-PVDF) aerogel, infilled with a thermosensitive wettability-switchable sulfonic acid-modified polyisopropylacrylamide hydrogel (S-PNIPAM) by in situ polymerization, which significantly promotes water/ion transporting and boosts electricity output. SHA-HVG demonstrates all-weather high output by cooperating power generation mechanisms of thermosensitive hydrogel-promoted surface photothermal evaporation during the daytime and sulfonic group-enhanced ion concentration gradient at nighttime, resulting in efficient water desalination (2.75 kg m-2 h-1) and a 2669% increase in power density (56.86 µW cm-2) compared to single-component HVG of G-PVDF. SHA-HVG is chemically stable and can be reactivated/recycled to improve its power generation efficiency to ∼130% by increasing its built-in ionic environment. A marine/offshore cultivation system is demonstrated using an SHA-HVG array, realizing an autonomous greenhouse for water desalination, self-irrigation, and self-powered environment monitoring. This work presents a cost-effective HVG strategy for efficient seawater desalination and electricity harvesting, envisioning the development of distributed energy, smart agriculture, and offshore planting
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|a Journal Article
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|a aerogel‐hydrogel binary system
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|a greenhouse ecosystems
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|a hydrovoltaic generation
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|a photothermal interfacial water evaporation
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|a water desalination
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|a Zhang, Jiwei
|e verfasserin
|4 aut
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1 |
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|a Li, Weikang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yufan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Zeren
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Tao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Zijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xinran
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Jiaqing
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 30 vom: 28. Juli, Seite e2501809
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:37
|g year:2025
|g number:30
|g day:28
|g month:07
|g pages:e2501809
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|u http://dx.doi.org/10.1002/adma.202501809
|3 Volltext
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