High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber
Abstract The atmosphere contains ≈1.3 billion tons vapor that can be condensed to obtain water, which has the promise of alleviating the water crisis. However, condensed droplets are difficult to shed from the condensation surface that means a low surface refreshing frequency, showing the low water...
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| Format: | Article |
| Language: | English |
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Wiley
2025-04-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202417024 |
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| author | Defeng Yan Junyi Lin Yang Chen Xiaolong Yang Yao Lu Jinlong Song |
| author_facet | Defeng Yan Junyi Lin Yang Chen Xiaolong Yang Yao Lu Jinlong Song |
| author_sort | Defeng Yan |
| collection | DOAJ |
| description | Abstract The atmosphere contains ≈1.3 billion tons vapor that can be condensed to obtain water, which has the promise of alleviating the water crisis. However, condensed droplets are difficult to shed from the condensation surface that means a low surface refreshing frequency, showing the low water collection rate and efficiency. Here, this limitation is successfully overcome by proposing a novel superhydrophobic condensation absorber (SCA). All surfaces of the SCA are superhydrophobic but covered with a series of superhydrophilic through pores and superhydrophilic points which enabled the SCA with a rapid droplet nucleation capability. The whole condensation processes exhibit that the SCA has the extremely small droplet shedding volume and the highly frequent surface refreshing, which are 0.00003 and 1.1× 106 times that of the existing water collection method, respectively. The water collection rate of SCA is superior than that of the existing water collection methods, reaching to 80 mg cm−2 h−1 at the subcooling temperature of only 10 °C. In addition, the collected water by this SCA is clean without any contaminant. This high‐efficiency and eco‐friendly water collection method will maximize the acquisition of clean water from atmosphere, which has a strong implication for the people suffering from the freshwater crisis. |
| format | Article |
| id | doaj-art-bba7ed78465e4c449ed5cb70a331fb2e |
| institution | DOAJ |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-bba7ed78465e4c449ed5cb70a331fb2e2025-08-20T03:04:17ZengWileyAdvanced Science2198-38442025-04-011213n/an/a10.1002/advs.202417024High‐Efficiency Water Collection of Superhydrophobic Condensation AbsorberDefeng Yan0Junyi Lin1Yang Chen2Xiaolong Yang3Yao Lu4Jinlong Song5State Key Laboratory of High‐performance Precision Manufacturing Dalian University of Technology Dalian 116024 ChinaState Key Laboratory of High‐performance Precision Manufacturing Dalian University of Technology Dalian 116024 ChinaState Key Laboratory of High‐performance Precision Manufacturing Dalian University of Technology Dalian 116024 ChinaCollege of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 ChinaDepartment of Chemistry School of Physical and Chemical Sciences Queen Mary University of London London E1 4NS UKState Key Laboratory of High‐performance Precision Manufacturing Dalian University of Technology Dalian 116024 ChinaAbstract The atmosphere contains ≈1.3 billion tons vapor that can be condensed to obtain water, which has the promise of alleviating the water crisis. However, condensed droplets are difficult to shed from the condensation surface that means a low surface refreshing frequency, showing the low water collection rate and efficiency. Here, this limitation is successfully overcome by proposing a novel superhydrophobic condensation absorber (SCA). All surfaces of the SCA are superhydrophobic but covered with a series of superhydrophilic through pores and superhydrophilic points which enabled the SCA with a rapid droplet nucleation capability. The whole condensation processes exhibit that the SCA has the extremely small droplet shedding volume and the highly frequent surface refreshing, which are 0.00003 and 1.1× 106 times that of the existing water collection method, respectively. The water collection rate of SCA is superior than that of the existing water collection methods, reaching to 80 mg cm−2 h−1 at the subcooling temperature of only 10 °C. In addition, the collected water by this SCA is clean without any contaminant. This high‐efficiency and eco‐friendly water collection method will maximize the acquisition of clean water from atmosphere, which has a strong implication for the people suffering from the freshwater crisis.https://doi.org/10.1002/advs.202417024atmospheric water collectionhigh efficiencyhigh‐frequency surface refreshingsuperhydrophobic surface |
| spellingShingle | Defeng Yan Junyi Lin Yang Chen Xiaolong Yang Yao Lu Jinlong Song High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber Advanced Science atmospheric water collection high efficiency high‐frequency surface refreshing superhydrophobic surface |
| title | High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber |
| title_full | High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber |
| title_fullStr | High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber |
| title_full_unstemmed | High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber |
| title_short | High‐Efficiency Water Collection of Superhydrophobic Condensation Absorber |
| title_sort | high efficiency water collection of superhydrophobic condensation absorber |
| topic | atmospheric water collection high efficiency high‐frequency surface refreshing superhydrophobic surface |
| url | https://doi.org/10.1002/advs.202417024 |
| work_keys_str_mv | AT defengyan highefficiencywatercollectionofsuperhydrophobiccondensationabsorber AT junyilin highefficiencywatercollectionofsuperhydrophobiccondensationabsorber AT yangchen highefficiencywatercollectionofsuperhydrophobiccondensationabsorber AT xiaolongyang highefficiencywatercollectionofsuperhydrophobiccondensationabsorber AT yaolu highefficiencywatercollectionofsuperhydrophobiccondensationabsorber AT jinlongsong highefficiencywatercollectionofsuperhydrophobiccondensationabsorber |