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公开(公告)号：US20220362962A1
公开(公告)日：2022-11-17
申请号：US17866767
申请日：2022-07-18
发明人： Liangbing Hu , Jianwei Song , Chaoji Chen , Amy Gong
IPC分类号： B27K3/00 , B27K3/02 , B27K3/26 , B27K5/06 , B27M1/00 , H01M10/052 , H01M50/44 , H01M50/429
摘要： A flexible structure is formed by subjecting cellulose-based natural wood material to a chemical treatment that partially removes hemicellulose and lignin therefrom. The treated wood has a unique 3-D porous structure with numerous channels, excellent biodegradability and biocompatibility, and improved flexibility as compared to the natural wood. By further modifying the treated wood, the structure can be adapted to particular applications. For example, nanoparticles, nanowires, carbon nanotubes, or any other coating or material can be added to the treated wood to form a hybrid structure. In some embodiments, open lumina within the structure can be at least partially filled with a non-wood substance, such as a flexible polymer, or with entangled cellulose nanofibers. The unique architecture and superior properties of the flexible wood allow for its use in various applications, such as, but not limited to, structural materials, solar thermal devices, flexible electronics, tissue engineering, thermal management, and energy storage.
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公开(公告)号：US11578894B2
公开(公告)日：2023-02-14
申请号：US17029414
申请日：2020-09-23
发明人： Liangbing Hu , Mingwei Zhu , Yiju Li , Chaoji Chen , Tian Li , He Liu , Amy Gong , Yudi Kuang
IPC分类号： F24S10/80 , F04B17/00 , B01D17/04 , C02F1/28 , E02B15/10 , C02F101/32 , C02F103/36 , C02F1/14 , C02F1/04 , B01D1/00 , B05D7/06 , F04B19/00 , F24S10/95 , F24S10/90 , B01D5/00 , F24S70/10 , F04B19/16 , C02F103/08 , C02F103/00
摘要： Solar thermal devices are formed from a block of wood, where the natural cell lumens of the wood form an interconnected network that transports fluid or material therein. The block of wood can be modified to increase absorption of solar radiation. Combining the solar absorption effects with the natural transport network can be used for various applications. In some embodiments, heating of the modified block of wood by insolation can be used to evaporate a fluid, for example, evaporating water for extraction, distillation, or desalination. In other embodiments, heating of the modified block of wood by insolation can be used to change transport properties of a material to allow it to be transported in the interconnected network, for example, heating crude oil to adsorb the oil within the block of wood.
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公开(公告)号：US11440214B2
公开(公告)日：2022-09-13
申请号：US16500745
申请日：2018-04-02
发明人： Liangbing Hu , Jianwei Song , Chaoji Chen , Amy Gong
IPC分类号： B27K3/00 , B27K3/02 , B27K3/26 , H01M10/052 , H01M50/44 , H01M50/429 , B82Y30/00 , B27K5/06 , B27M1/00
摘要： A flexible structure is formed by subjecting cellulose-based natural wood material to a chemical treatment that partially removes hemicellulose and lignin therefrom. The treated wood has a unique 3-D porous structure with numerous channels, excellent biodegradability and biocompatibility, and improved flexibility as compared to the natural wood. By further modifying the treated wood, the structure can be adapted to particular applications. For example, nanoparticles, nanowires, carbon nanotubes, or any other coating or material can be added to the treated wood to form a hybrid structure. In some embodiments, open lumina within the structure can be at least partially filled with a non-wood substance, such as a flexible polymer, or with entangled cellulose nanofibers. The unique architecture and superior properties of the flexible wood allow for its use in various applications, such as, but not limited to, structural materials, solar thermal devices, flexible electronics, tissue engineering, thermal management, and energy storage.
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公开(公告)号：US20210088252A1
公开(公告)日：2021-03-25
申请号：US17029414
申请日：2020-09-23
发明人： Liangbing Hu , Mingwei Zhu , Yiju Li , Chaoji Chen , Tian Li , He Liu , Amy Gong , Yudi Kuang
IPC分类号： F24S10/80 , C02F1/14 , C02F1/04 , B01D1/00 , B05D7/06 , F04B19/00 , F24S10/95 , F24S10/90 , B01D5/00 , F24S70/10 , F04B17/00 , F04B19/16 , B01D17/04
摘要： Solar thermal devices are formed from a block of wood, where the natural cell lumens of the wood form an interconnected network that transports fluid or material therein. The block of wood can be modified to increase absorption of solar radiation. Combining the solar absorption effects with the natural transport network can be used for various applications. In some embodiments, heating of the modified block of wood by insolation can be used to evaporate a fluid, for example, evaporating water for extraction, distillation, or desalination. In other embodiments, heating of the modified block of wood by insolation can be used to change transport properties of a material to allow it to be transported in the interconnected network, for example, heating crude oil to adsorb the oil within the block of wood.
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公开(公告)号：US20200282591A1
公开(公告)日：2020-09-10
申请号：US16500745
申请日：2018-04-02
发明人： Liangbing Hu , Jianwei Song , Chaoji Chen , Amy Gong
摘要： A flexible structure is formed by subjecting cellulose-based natural wood material to a chemical treatment that partially removes hemicellulose and lignin therefrom. The treated wood has a unique 3-D porous structure with numerous channels, excellent biodegradability and biocompatibility, and improved flexibility as compared to the natural wood. By further modifying the treated wood, the structure can be adapted to particular applications. For example, nanoparticles, nanowires, carbon nanotubes, or any other coating or material can be added to the treated wood to form a hybrid structure. In some embodiments, open lumina with-in the structure can be at least partially filled with a non-wood substance, such as a flexible polymer, or with entangled cellulose nanofibers. The unique architecture and superior properties of the flexible wood allow for its use in various applications, such as, but not limited to, structural materials, solar thermal devices, flexible electronics, tissue engineering, thermal management, and energy storage.
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