MWCNTs synthesized from waste polypropylene plastics and its application in super-capacitors

Solid waste-derived carbon nanomaterials for supercapacitor applications: a recent overview

“…Mishraet al [203] used polypropylene plastic waste for the synthesis of MWCNTs at 800 °C by chemical vapor deposition (CVD) in the presence of Ni as catalyst. The devices showed the specific capacitance of 59 Fg -1 with scan rate of 5 mVs -1 in 1N KOH solution [204].…”

Preparation of Iron‐ and Nitrogen‐Codoped Carbon Nanotubes from Waste Plastics Pyrolysis for the Oxygen Reduction Reaction

“…The catalytic pyrolysis of plastics provides an environmentally friendly and inexpensive strategy for treatment of a wide range of plastic waste, which can be used as carbon precursors . Carbon nanotubes have a unique structure with particular stability and excellent electrical conductivity, so they can be applied as structure reinforcements, or in further electrochemical applications such as the production of supercapacitors . Although carbon‐based materials derived from plastics have attracted widespread attention recently, their application to ORR catalysis is rarely reported.…”

Comparison of acid exfoliators in carbon nanosheets synthesis from stinging nettle (Urtica dioica) for electrochemical applications

“…Micropores contain bottlenecks that can decrease ion mobility drastically, thus reducing the power capability of the electrode 50 . Porosity and surface area are directly related to capacitance, as the charge stored on the electrode surface depends on the contact established between electrode and electrolyte 51 .

Figure 8 Specific surface area and specific capacitance of samples as a function of micropore volume.

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