Nanoporous Biocarbon for Supercapacitors and Zinc-Ion Capacitors
Author Information
Author(s): Rohan Bahadur, Binodhya Wijerathne, Vinu Ajayan
Primary Institution: The University of Newcastle
Hypothesis
Can multiple heteroatom doping enhance the electrochemical performance of nanoporous carbon for energy storage applications?
Conclusion
The developed multiple heteroatom doped nanoporous biocarbon shows exceptional electrochemical performance and stability for supercapacitors and zinc-ion capacitors.
Supporting Evidence
- The material exhibited a high surface area of 2909 m2/g.
- It achieved a specific capacitance of 233.5 F/g at 0.5 A/g.
- The material retained 100% capacitance after 10,000 cycles.
- It delivered an energy density of 50.4 Wh/kg in zinc-ion capacitors.
- The use of multiple heteroatoms improved electrochemical stability.
Takeaway
Scientists created a special type of carbon with different atoms added to it, making it super good at storing energy for batteries and supercapacitors.
Methodology
The carbon was synthesized using a two-step activation process with casein, boric acid, and dithiooxamide to introduce heteroatoms.
Limitations
The study does not address the long-term stability of the material in real-world applications.
Digital Object Identifier (DOI)
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