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Bioinspired Ultrastrong Nanocomposite Membranes for Salinity Gradient Energy Harvesting from Organic Solutions

机译：Bioinspired UltraStrong纳米复合材料用于盐度梯度能量收获有机溶液

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Efforts to extract energy from waste organic solutions can not only support clean environments but also help to alleviate the energy crisis. Here, a bioinspired ultrastrong nanocomposite membrane is developed via the layer-by-layer method based on aramid nanofiber-graphene oxide (AGO) with good mechanical properties for salinity gradient energy harvesting from organic solutions. Benefiting from the 1D and 2D network interlocking arrangement, the AGO membrane shows an unprecedented mechanical stress of 688 MPa and maintains its integrity after soaking in organic solvents for 24 h. Impressively, when LiCl is diluted in methanol, the AGO membrane device with a working area of 113 mm(2) produces a current and a measured power generation of 28 +/- 11 mu A and 3140 +/- 960 nW (C-feed = 2 mol L-1), respectively. Thus, the working area of the AGO membrane for salinity gradient energy harvesting and temperature-related energy harvesting enables its use in practical applications. In addition, 14 cells with the methanol-LiCl solution (C-feed = 1 mol L-1) can produce a voltage up to 1.82 V to light a liquid crystal display. Therefore, this AGO nanocomposite membrane presents a promising avenue to harvest salinity gradient energy from organic solutions.
机译：从废物有机溶液中提取能量的努力不仅可以支持清洁环境，而且有助于缓解能源危机。这里，通过基于芳族聚酰胺纳米纤维 - 石墨烯氧化物（前）的逐层法，通过基于羟基纤维 - 石墨烯氧化物（前）的良好机械性能，用于从有机溶液中收获良好的机械性能。从1D和2D网络互锁布置中受益，前膜显示出688MPa的前所未有的机械应力，并在有机溶剂中浸泡24小时后保持其完整性。当令人印象深刻的是，当LiCl在甲醇中稀释时，前一个工作面积为113mm（2）的膜装置产生电流和测量的发电28+/-11μA和3140 +/- 960nw（C-Feed分别= 2 mol L-1）。因此，以前的膜的工作区域用于盐度梯度能量收集和温度相关的能量收集，使其能够在实际应用中使用。另外，具有甲醇-LICL溶液（C-FEED = 1mol L-1）的14个细胞可以产生高达1.82V的电压，以亮液晶显示器。因此，这种本前纳米复合膜呈现出具有来自有机溶液的盐度梯度能量的承诺大道。

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