A Novel Strategy of One Device Achieves Two Functions: Energy Storage and Temperature Sense Multi-functions Device Based
- PDF / 1,234,940 Bytes
- 6 Pages / 432 x 648 pts Page_size
- 92 Downloads / 145 Views
MRS Advances © 2018 Materials Research Society DOI: 10.1557/adv.2018.649
A Novel Strategy of One Device Achieves Two Functions: Energy Storage and Temperature Sense Multi-functions Device Based on Graphene PlanarStructure Supercapacitor Ziyu Yue, Xingke Ye, Yucan Zhu, Peng Zhao, Hedong Jiang, Zhongquan Wan, Yuan Lin, Chunyang Jia* State key Laboratory of Electronic Thin Films and Integrated Devices, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China
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.
INTRODUCTION Recently, wearable electronics such as smart watches, personal health monitors have become part of our life due to their perfect combination of sensors, batteries and various functional components [1, 2]. Hence, multi-function devices attract plenty interests of researchers. There are some works successfully fabricated different devices together to achieve the multi-function requires: Zhao et al. reported electronic skin with temperature and pressure sensors [3]; Kim et al. integrated micro-supercapacitor arrays
Downloaded from https://www.cambridge.org/core. Iowa State University Library, on 05 Jan 2019 at 12:32:56, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1557/adv.2018.649
with sensors and wireless recharge circuits [4]. Besides, there is another strategy for multi-function device barely reported: using one device to achieve two or more functions simultaneously by detecting the performance variation influenced by environmental conditions. Specifically, for supercapacitors, their electrochemical performances including impedance, capacitance and leakage current vary with the change of environmental temperature [5, 6]. In the present study, we successfully fabricated the energy storage and temperature sensing multi-function device based on this phenomenon, and envi
Data Loading...
