一种共价有机框架/石墨烯双区域水凝,用于增强太阳能驱动的水产生
Changxia Li1,2, Sijia Cao1,3, Jana Lutzki4
1Department of Chemistry, Division of Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623 Berlin, Germany.
Journal of the American Chemical Society
|February 9, 2022
概括
研究人员使用共价有机框架 (COF) 和石墨烯开发了一种新型双区域水凝. 通过提高蒸发速度和降低能源需求, 这种材料能有效地产生太阳能驱动的水,
科学领域:
- 材料科学
- 可持续能源
- 处理水
背景情况:
- 全球水资源短缺需要可持续的水资源生产技术.
- 目前的太阳能发电面临着高能耗和低蒸发率的挑战.
研究的目的:
- 开发一个高效的太阳能发电材料.
- 通过提高蒸发速度和减少能源需求来克服现有技术的局限性.
主要方法:
- 一个简单的现场生长策略被用来创建双区域水凝.
- 水凝将水友性共价有机框架 (COF) 区域与疏水性石墨烯区域集成.
- 材料特性如光收获,可湿性和水含量得到了优化.
主要成果:
- 这种COF/石墨烯双区域水凝显示出有效的光采集和可调节的可湿性.
- 在1个阳光照射下,该材料实现了高蒸汽生成率3.69kgm−2h−1.
- 这种水凝蒸发器成功地从海水和污水中产生了饮用水.
结论:
- 开发的双区域水凝是太阳能发电的高效材料.
- 这项技术为从各种来源生产清洁水提供了可行的解决方案,
- 该材料的性能与最先进的蒸发器相竞争,突出了其实用潜力.
更多相关视频
08:42Microfluidic-based Synthesis of Covalent Organic Frameworks COFs: A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface
Published on: July 10, 2017
13.6K
10:21Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
Published on: October 5, 2019
8.5K
相关概念视频
02:34Water and Mineral Acquisition
24.3K
Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.
24.3K
01:26Regulation of Water Output
2.0K
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
2.0K
01:27Energy Line and Hydraulic Gradient Line
2.9K
Based on Bernoulli's equation, the energy line (EL) and hydraulic grade line (HGL) provide graphical representations of energy distribution in a fluid flow system. For steady, incompressible, inviscid flows, Bernoulli's equation is expressed as:
2.9K
01:25Biofuels
107
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
107