Electrochemical Growth of Manganese Oxide Supercapacitors

Electrochemical Growth of Manganese Oxide Supercapacitors

Project Abstract

Manganese dioxide (MnO2) is a low cost and non-toxic supercapacitor that can store and release electrical charge more quickly than a battery. This project will focus on improving the electrochemical capacitance of MnO2 thin films by forming hybrid supercapacitor materials featuring TiO2, SiO2, AlOOH, and ZnO nanoparticle scaffolds supporting MnO2 thin films. Students will synthesize the ceramic oxide nanoparticles using sol gel methods and will coat them with polymeric ionic liquid (PIL) capping agents to enhance the charge transfer properties. Students will gain experience in nanoparticle synthesis, exchanging surface capping agents, and electrodeposition (applying an electrical potential to form a material on an electrode). Characterization tools will include dynamic light scattering, zeta potential measurements, cyclic voltammetry, powder X-ray diffraction, and electron microscopy.

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