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首页> 外文期刊>Advanced Functional Materials >Self-Powered Electronics by Integration of Flexible Solid-State Graphene-Based Supercapacitors with High Performance Perovskite Hybrid Solar Cells
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Self-Powered Electronics by Integration of Flexible Solid-State Graphene-Based Supercapacitors with High Performance Perovskite Hybrid Solar Cells

机译：通过基于柔性固态石墨烯的超级电容器与高性能钙钛矿混合太阳能电池的集成来实现自供电电子

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摘要

To develop high-capacitance flexible solid-state supercapacitors and explore its application in self-powered electronics is one of ongoing research topics. In this study, self-stacked solvated graphene (SSG) films are reported that have been prepared by a facile vacuum filtration method as the free-standing electrode for flexible solid-state supercapacitors. The highly hydrated SSG films have low mass loading, high flexibility, and high electrical conductivity. The flexible solid-state supercapacitors based on SSG films exhibit excellent capacitive characteristics with a high gravimetric specific capacitance of 245 F g(-1) and good cycling stability of 10 000 cycles. Furthermore, the flexible solid-state supercapacitors are integrated with high performance perovskite hybrid solar cells (pero-HSCs) to build self-powered electronics. It is found that the solid-state supercapacitors can be charged by pero-HSCs and discharged from 0.75 V. These results demonstrate that the self-powered electronics by integration of the flexible solid-state supercapacitors with pero-HSCs have great potential applications in storage of solar energy and in flexible electronics, such as portable and wearable personal devices.
机译：开发高容量的柔性固态超级电容器并探索其在自供电电子中的应用是正在进行的研究主题之一。在这项研究中，据报道，通过轻便的真空过滤方法制备的自堆叠溶剂化石墨烯（SSG）膜可作为柔性固态超级电容器的独立电极。高度水合的SSG膜具有低质量负载，高柔韧性和高电导率。基于SSG膜的柔性固态超级电容器具有出色的电容特性，具有245 F g（-1）的高比重电容和10000次循环的良好循环稳定性。此外，柔性固态超级电容器与高性能钙钛矿混合太阳能电池（pero-HSC）集成在一起，以构建自供电电子设备。发现固态超级电容器可以通过pero-HSC充电并从0.75 V放电。这些结果表明，通过将柔性固态超级电容器与pero-HSC集成在一起的自供电电子产品在存储中具有巨大的潜在应用太阳能和柔性电子产品，例如便携式和可穿戴个人设备。

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  • 来源
    《Advanced Functional Materials》 |2015年第16期|2420-2427|共8页
  • 作者

    Du Pengcheng; Hu Xiaowen; Yi Chao; Liu Huckleberry C.; Liu Peng; Zhang Hao-Li; Gong Xiong;

  • 作者单位

    Univ Akron, Coll Polymer Sci & Polymer Engn, Akron, OH 44325 USA|Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China;

    Univ Akron, Coll Polymer Sci & Polymer Engn, Akron, OH 44325 USA;

    Univ Akron, Coll Polymer Sci & Polymer Engn, Akron, OH 44325 USA;

    Univ Akron, Coll Polymer Sci & Polymer Engn, Akron, OH 44325 USA;

    Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China;

    Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China;

    Univ Akron, Coll Polymer Sci & Polymer Engn, Akron, OH 44325 USA;

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