Abstract
Newborn two-dimensional materials (NB2DMs) beyond graphene such as transition metal dichalcogenides (TMDs) exhibit excellent optoelectronic and mechanical properties as well as high theoretical specific capacity, which make them become the promising building blocks of flexible energy devices related to energy conversion and storage. Compared to graphene with zero band gap or traditional friable materials such as Si, these NB2DMs are more suitable to construct flexible devices as active layers of optoelectronic devices or as active materials for batteries. The present review focuses on the recent advances in bendable energy devices based on NB2DMs, including batteries, supercapacitors (SCs), solar cells, photodetectors and nanogenerators (NGs). The NB2DMs pave a new way to construct next-generation flexible energy devices with improved performance and we believe that those devices will be seen in our daily life and change our lifestyle in the immediate future.
摘要
近年来, 智能可穿戴电子产品开始走入我们的日常生活, 同时也极大地激发了研究者们对柔性能源的研究兴趣. 以过渡金属二硫族 化合物为代表的新兴二维材料表现出了优秀的光电和机械性能、高的理论比容量等性质, 使其在柔性能源存储和转换领域备受关注. 相 比于零带隙且比容量低的石墨烯或者硅等传统材料, 这些新兴的二维材料在构筑柔性光电器件及二次电池方面具有良好的应用前景. 本 文综述了新型二维材料在二次电池、超级电容器、太阳能电池、光电探测器和纳米发电机等柔性能源应用领域的突破性进展. 虽然目前 这个新兴领域仍面临众多问题, 但是通过结构与材料的设计与优化, 有望在不久的将来逐步得到解决. 我们相信这些新兴二维材料的应用 将显著提高柔性能源器件的性能, 并推动可穿戴电子产品在我们日常生活中的普及.
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Acknowledgments This work was supported by the National Natural Science Foundation of China (51322209 and 21473124) and Sino-German Center for Research Promotion (GZ 871).
Author contributions Liu J, Cao H and Jiang B wrote the manuscript; Fu L and Xue Y developed the concept and revised the manuscript; Liu J and Jiang B prepared the figures; Liu J and Cao H classified and analyzed the reference papers. All authors participated in the general discussion.
Conflict of interest The authors declare that they have no conflict of interest.
Jinxin Liu received his BSc degree fromWuhan University in 2015, and continued his studies as a PhD candidate under the supervision of Prof. Lei Fu in the College of Chemistry and Molecular Science at Wuhan University. His current research is focused on the controllable growth of two-dimensional materials.
Hui Cao received her BSc degree in polymer materials and engineering fromWuhan Institute of Technology in 2015, and continued her studies under the supervision of Prof. Lei Fu in the College of Chemistry and Molecular Science at Wuhan University. Her current research ismainly focused on the application of two-dimensionalmaterials in lithium ion batteries.
Lei Fu received his BSc degree in chemistry fromWuhan University in 2001. He obtained his PhD degree fromthe Institute of Chemistry, Chinese Academy of Sciences in 2006. Then he worked as a Director's Postdoctoral Fellow at Los Alamos National Laboratory, Los Alamos, NM (2006–2007). Thereafter, he became an Associate Professor of Peking University. In 2012, he joinedWuhan University as a Full Professor. His research interests include two-dimensional materials and energy devices.
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Liu, J., Cao, H., Jiang, B. et al. Newborn 2D materials for flexible energy conversion and storage. Sci. China Mater. 59, 459–474 (2016). https://doi.org/10.1007/s40843-016-5055-5
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DOI: https://doi.org/10.1007/s40843-016-5055-5