Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting
Highlights The 3D honeycomb-like fabric decorated with MXene is woven as solar evaporator. The honeycomb structure enables light-trapping and recycling of convective and radiative heat. The 3D honeycomb-fabric evaporator possesses high solar efficiency up to 93.5% under 1 sun irradiation and excelle...
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oai:doaj.org-article:4d62515706ab48dd8c8059a0a5dd856c2021-12-05T12:05:01ZNature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting10.1007/s40820-021-00748-72311-67062150-5551https://doaj.org/article/4d62515706ab48dd8c8059a0a5dd856c2021-12-01T00:00:00Zhttps://doi.org/10.1007/s40820-021-00748-7https://doaj.org/toc/2311-6706https://doaj.org/toc/2150-5551Highlights The 3D honeycomb-like fabric decorated with MXene is woven as solar evaporator. The honeycomb structure enables light-trapping and recycling of convective and radiative heat. The 3D honeycomb-fabric evaporator possesses high solar efficiency up to 93.5% under 1 sun irradiation and excellent salt harvesting ability. Abstract Solar steam generation technology has emerged as a promising approach for seawater desalination, wastewater purification, etc. However, simultaneously achieving superior light absorption, thermal management, and salt harvesting in an evaporator remains challenging. Here, inspired by nature, a 3D honeycomb-like fabric decorated with hydrophilic Ti3C2Tx (MXene) is innovatively designed and successfully woven as solar evaporator. The honeycomb structure with periodically concave arrays creates the maximum level of light-trapping by multiple scattering and omnidirectional light absorption, synergistically cooperating with light absorbance of MXene. The minimum thermal loss is available by constructing the localized photothermal generation, contributed by a thermal-insulating barrier connected with 1D water path, and the concave structure of efficiently recycling convective and radiative heat loss. The evaporator demonstrates high solar efficiency of up to 93.5% and evaporation rate of 1.62 kg m−2 h−1 under one sun irradiation. Moreover, assisted by a 1D water path in the center, the salt solution transporting in the evaporator generates a radial concentration gradient from the center to the edge so that the salt is crystallized at the edge even in 21% brine, enabling the complete separation of water/solute and efficient salt harvesting. This research provides a large-scale manufacturing route of high-performance solar steam generator.Zhiwei LeiXuantong SunShifeng ZhuKai DongXuqing LiuLili WangXiansheng ZhangLijun QuXueji ZhangSpringerOpenarticle3D honeycomb fabricMXenePhotothermal conversionWater desalinationSalt harvestingTechnologyTENNano-Micro Letters, Vol 14, Iss 1, Pp 1-16 (2021) |
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DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
3D honeycomb fabric MXene Photothermal conversion Water desalination Salt harvesting Technology T |
| spellingShingle |
3D honeycomb fabric MXene Photothermal conversion Water desalination Salt harvesting Technology T Zhiwei Lei Xuantong Sun Shifeng Zhu Kai Dong Xuqing Liu Lili Wang Xiansheng Zhang Lijun Qu Xueji Zhang Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| description |
Highlights The 3D honeycomb-like fabric decorated with MXene is woven as solar evaporator. The honeycomb structure enables light-trapping and recycling of convective and radiative heat. The 3D honeycomb-fabric evaporator possesses high solar efficiency up to 93.5% under 1 sun irradiation and excellent salt harvesting ability. Abstract Solar steam generation technology has emerged as a promising approach for seawater desalination, wastewater purification, etc. However, simultaneously achieving superior light absorption, thermal management, and salt harvesting in an evaporator remains challenging. Here, inspired by nature, a 3D honeycomb-like fabric decorated with hydrophilic Ti3C2Tx (MXene) is innovatively designed and successfully woven as solar evaporator. The honeycomb structure with periodically concave arrays creates the maximum level of light-trapping by multiple scattering and omnidirectional light absorption, synergistically cooperating with light absorbance of MXene. The minimum thermal loss is available by constructing the localized photothermal generation, contributed by a thermal-insulating barrier connected with 1D water path, and the concave structure of efficiently recycling convective and radiative heat loss. The evaporator demonstrates high solar efficiency of up to 93.5% and evaporation rate of 1.62 kg m−2 h−1 under one sun irradiation. Moreover, assisted by a 1D water path in the center, the salt solution transporting in the evaporator generates a radial concentration gradient from the center to the edge so that the salt is crystallized at the edge even in 21% brine, enabling the complete separation of water/solute and efficient salt harvesting. This research provides a large-scale manufacturing route of high-performance solar steam generator. |
| format |
article |
| author |
Zhiwei Lei Xuantong Sun Shifeng Zhu Kai Dong Xuqing Liu Lili Wang Xiansheng Zhang Lijun Qu Xueji Zhang |
| author_facet |
Zhiwei Lei Xuantong Sun Shifeng Zhu Kai Dong Xuqing Liu Lili Wang Xiansheng Zhang Lijun Qu Xueji Zhang |
| author_sort |
Zhiwei Lei |
| title |
Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| title_short |
Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| title_full |
Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| title_fullStr |
Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| title_full_unstemmed |
Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting |
| title_sort |
nature inspired mxene-decorated 3d honeycomb-fabric architectures toward efficient water desalination and salt harvesting |
| publisher |
SpringerOpen |
| publishDate |
2021 |
| url |
https://doaj.org/article/4d62515706ab48dd8c8059a0a5dd856c |
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