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      https://www.ias.ac.in/article/fulltext/jcsc/132/0143

    • Keywords

       

      Honeycomb; 3D porous carbon; CDTA; Supercapacitors

    • Abstract

       

      Honeycomb nitrogen-doped porous carbon (NPC) was prepared for supercapacitor applications by hydrothermal carbonization and KOH activation process. This process used glucose as the carbon source and trans-1, 2-cyclohexane diamine tetraacetic acid as the nitrogen source. It can both control the morphology and improve the electrical performances of the as-achieved NPC. The porous carbon electrode offers improved electrochemical properties with a capacitance as high as 423 F/g at 0.5 A/g. There was excellent cycling stability with 92.5% capacitance retention after 5000 cycles at 10 A/g current density aswell as good rate performance with 300 F/g even at 20 A/g. This is due to the hierarchical porous structure,high specific surface area, numerous nitrogen groups, and good electrical conductivity. Moreover, the symmetric supercapacitor based on the porous carbon materials in neat DLC301 electrolyte delivers a highenergy density of 58.75 Wh/kg and an excellent power density of 250 W/kg. Two assembled supercapacitors were connected and utilized for the driving recorder to work normally for 15 s. These satisfactory electrochemical properties indicate that the honeycomb 3D porous carbon has good prospects as an electrode for supercapacitors.

    • Author Affiliations

       

      XIANYONG HONG1 JINGHUA LI1 GUISHENG ZHU1 HUARUI XU1 XIUYUN ZHANG1 YUNYUN ZHAO1 DONGLIANG YAN1 KAOXIANG CHEN1 FANGJIE LIAO1 AIBING YU2

      1. Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Science and Technology, Guilin 541004, People’s Republic of China
      2. ARC Hub for Computational Particle Technology, Monash University, Clayton, VIC 3800, Australia
    • Dates

       
  • Journal of Chemical Sciences | News

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      Posted on July 25, 2019

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