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低成本全固态柔性太阳能织物的研究
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摘要
可穿戴电子设备的国际热潮极大推动了柔性便携式电源的研究。太阳能电池是一种受空间限制很小的移动式供电器件。基于柔性太阳能电池构建便携式供电系统的是一个重要研究方向。然而,传统柔性光伏电池的研究主要是基于ITO/高分子基底不仅成本高,而且采光及电荷收集效率低下。大面积化后更面临力学稳定性差、导电性不足等突出问题。我们在前期首次提出可编织纤维结构太阳能电池的原始概念,从结构上彻底突破了传统电池结构的藩篱。近年来,电池结构拓展到网格、叶脉等结构,电极材料不断丰富,能量转化效率快速提升,成本进一步降低,并通过创新性混合编织工艺成功构建了布料、围巾等形态的电池模块,在驱动商用电子设备方面展示了良好的应用前景。新型织物结构还拓展到具有机械能采集、储能等功能的新型器件。柔性织物结构光电能源系统结构灵活、安装运输方便,利于集成,将为以"轻、薄、柔"为特点的新一代可穿戴设备提供更便携的解决方案。
Flexible solar cell has received a wide range of interests due to the development of wearable electronics. Herein, we have come up with the idea of wire-shaped solar cell, which has provided a new solution to get rid of expensive TCO substrates. Progresses have been made by introducing low-cost metals, including Mn, Ni, Zn, and largely reduced its cost and weight. In order to make it more compatible for the hybrid power system, the device structure has been further expanded to mesh, vein and spike ever since. In addition, photovoltaic textile with the outlook of real scarf and cloth have been also weaved out for the first time. Its capability of powering up various electronic devices has also been demonstrated. By combining with flexible acoustic-energy-harvesting nano generator and energy-storage devices such as fiber-like super capacitor, hybrid nano, power system can be formed and provide a more flexible solution for driving wearable electronics.
引文
[1]Zhang,N.;Chen J.;Huang Y.;Guo W.;Yang J.,Du J.;Fan X.;Tao C.Adv.Mater.2016,28:263-269.
    [2]Fan,X.;Fan,Z.;Peng,M.;Cheng,L.;Du,J.;Zou,D.;Tao,C.ChemElectro Chem.2015,2:1100-1105.

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