Bio-Phenolic Resin Derived Porous Carbon Materials for High-Performance Lithium-Ion Capacitor

Er Chieh Cho, Cai Wan Chang-Jian, Cheng Zhang Lu, Jen Hsien Huang, Tzu Hsien Hsieh, Nian Jheng Wu, Kuen Chan Lee, Shih Chieh Hsu, Huei Chu Weng

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


In this article, hierarchical porous carbon (HPC) with high surface area of 1604.9 m2/g is prepared by the pyrolysis of rubberwood sawdust using CaCO3 as a hard template. The bio-oil pyrolyzed from the rubber sawdust, followed by the polymerization reaction to form resole phenolic resin, can be used as a carbon source to prepare HPC. The biomass-derived HPC shows a three-dimensionally interconnected morphology which can offer a continuous pathway for ionic transport. The symmetrical supercapacitors based on the as-prepared HPC were tested in 1.0 M tetraethylammonium tetrafluoroborate / propylene carbonate electrolyte. The results of electrochemical analysis show that the HPC-based supercapacitor exhibits a high specific capacitance of 113.3 F/g at 0.5 A/g with superior rate capability and cycling stability up to 5000 cycles. Hybrid lithium-ion capacitors (LICs) based on the HPC and Li4Ti5O12 (LTO) were also fabricated. The LICs have a maximum energy density of 113.3 Wh/kg at a power density of 281 W/kg. Moreover, the LIC also displays a remarkable cycling performance with a retention of 92.8% after 3000 cycles at a large current density of 0.75 A/g, suggesting great potential application in the energy storage of the LIC.

Original languageEnglish
Article number575
Issue number3
Publication statusPublished - Feb 1 2022


  • Biomass
  • Li4Ti5O12
  • Lithium-ion battery
  • Porous carbon
  • Supercapacitor

ASJC Scopus subject areas

  • Chemistry(all)
  • Polymers and Plastics


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