Boron Carbide as an Electrode Material: Tailoring Particle Morphology to Control Capacitive Behaviour

Avcıoğlu S., Buldu Aktürk M., Erdem E., Kaya F., Kaya C.

MATERIALS, vol.16, pp.1-14, 2023 (SCI-Expanded)

  • Publication Type: Article / Article
  • Volume: 16
  • Publication Date: 2023
  • Doi Number: 10.3390/ma16020861
  • Journal Name: MATERIALS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, CAB Abstracts, Communication Abstracts, Compendex, INSPEC, Metadex, Veterinary Science Database, Directory of Open Access Journals, Civil Engineering Abstracts
  • Page Numbers: pp.1-14
  • Yıldız Technical University Affiliated: Yes


In this study, boron carbide powders consisting mainly of nano/micro fibers or polyhedralequiaxed particles were synthesized via the sol–gel technique, and the influence of particle morphology on electrochemical performance of boron carbide electrodes was investigated. Thermal decomposition duration of the precursors played a determinant role in the final morphology of the synthesized boron carbide powders. The morphology of boron carbide powders successfully tuned from polyhedral-equiaxed (with ~3 µm average particle size) to nano/micro fibers by adjusting the thermal decomposition duration of precursors. The length and thickness of fibers were in the range of 30 to 200 µm and sub-micron to 5 µm, respectively. The electrochemical performance analysis of boron carbide powders has shown that the particle morphology has a considerable impact on the boron carbide electrodes electrochemical performance. It was found that the synergetic effects of polyhedral-equiaxed and nano/micro fiber morphologies exhibited the best electrochemical performance in supercapacitor devices, resulting in the power and energy density of 34.9 W/kg and 0.016 Wh/kg, respectively.