Science & Technology Review >

2017 , Vol. 35 >Issue 17: 58 - 62

DOI: https://doi.org/10.3981/j.issn.1000-7857.2017.17.007

Spescial Issues

Printed flexible in-plane supercapacitor electrode and its properties

  • LI Yaling ,
  • LI Zetao ,
  • WANG Xin ,
  • HE Qianqian ,
  • YU Chao ,
  • LI Luhai
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  • Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing 102600, China

Received date: 2017-05-24

  Revised date: 2017-07-21

  Online published: 2017-09-18

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Abstract

Flexible all-solid-state supercapacitors are favored as the backup power of the portable and wearable electronic devices. With the unique advantages of large-area and flexibility of printed electronics, the manufacturing process of flexible electrodes can be greatly simplified. In this paper, activated carbon is used as active material and flexible supercapacitor electrodes are prepared by screen printing technology using activated carbon ink and conductive silver ink. Then, the flexible supercapacitor is assembled with the electrode coated with PVA-H2SO4 gel and the electrochemical properties are measured. The results show that the printed supercapacitor electrode can be successfully applied to flexible in-plane supercapacitors. The working voltage achieves 0.8 V and the areal specific capacitance of the whole device achieves 18 mF·cm-2 at a charge-discharge current of 0.2 mA.

Key words： activated carbon; all solid state; printed electronics; supercapacitors

Cite this article

LI Yaling , LI Zetao , WANG Xin , HE Qianqian , YU Chao , LI Luhai . Printed flexible in-plane supercapacitor electrode and its properties[J]. Science & Technology Review, 2017 , 35(17) : 58 -62 . DOI: 10.3981/j.issn.1000-7857.2017.17.007

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