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A Novel Strategy of One Device Achieves Two Functions: Energy Storage and Temperature Sense Multi-functions Device Based on Graphene Planar-Structure Supercapacitor

  • Ziyu Yue (a1), Xingke Ye (a1), Yucan Zhu (a1), Peng Zhao (a1), Hedong Jiang (a1), Zhongquan Wan (a1), Yuan Lin (a1) and Chunyang Jia (a1)...

Abstract

Multi-functions devices attract much attention due to their great potential and large demands in wearable electronics. Besides some studies of integrated different functional devices as one, there is a novel strategy to fabricate multi-functions devices, that using one device to achieve two or more functions. Herein, we report the temperature sensing and energy storage multi-functions device based on graphene supercapacitor. By measuring the change of leakage current of supercapacitor, the obtained device could detect the environmental temperature. Integrating the planar-structure supercapacitor on one flexible printed circuit board with electronic components together, the obtain device presents perfect mechanical stability that no noticeable difference of both capacitance and leakage current under any bending status. Importantly, the temperature sensing function exhibits a high accuracy of 1 °C with a high resolution of 0.0588 °C. This work demonstrates the feasibility of the strategy of one device achieve two functions: using one supercapacitor to achieve temperature sensing and energy storage dual function simultaneously.

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MRS Advances
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  • EISSN: 2059-8521
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