Article Title
Integration of micro-supercapacitors with triboelectric nanogenerators for a flexible self-charging power unit
Authors
Jianjun Luo, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Feng Ru Fan, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
Tao Jiang, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Zhiwei Wang, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Wei Tang, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Cuiping Zhang, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Mengmeng Liu, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Guozhong Cao, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, USA
Zhong Lin Wang, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Keywords
energy harvesting, energy storage, triboelectric nanogenerator (TENG), micro-supercapacitor, self-charging
Abstract
The rapid development of portable and wearable electronic devices has increased demand for flexible and efficient energy harvesting and storage units. Conventionally, these are built and used separately as discrete components. Herein, we propose a simple and cost-effective laser engraving technique for fabricating a flexible self-charging micro-supercapacitor power unit (SCMPU), by integrating a triboelectric nanogenerator (TENG) and a micro-supercapacitor (MSC) array into a single device. The SCMPU can be charged directly by ambient mechanical motion. We demonstrate the ability of the SCMPU to continuously power light-emitting diodes and a commercial hygrothermograph. This investigation may promote the development of sustainable self-powered systems and provide a promising new research application for supercapacitors.
Graphical Abstract

Publisher
Tsinghua University Press
Recommended Citation
Jianjun Luo,Feng Ru Fan,Tao Jiang,Zhiwei Wang,Wei Tang,Cuiping Zhang,Mengmeng Liu,Guozhong Cao,Zhong Lin Wang, Integration of micro-supercapacitors with triboelectric nanogenerators for a flexible self-charging power unit. NanoRes.2015, 8(12): 3934–3943
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