Autonomous Corona Discharge Generator Based on Piezoelectric Cenospheres from Coal Fly Ash

Key Points

• The aim is to generate cold atmospheric pressure plasma using piezoelectric cenospheres derived from coal fly ash.
• Utilized piezoelectric cenospheres from coal fly ash for corona discharge generation
• Investigated the physical principles behind corona discharge
• Analyzed the efficiency of plasma generation under various conditions
• Successfully generated cold atmospheric pressure plasma using piezoelectric cenospheres
• Demonstrated potential for effective industrial waste valorization
• Highlighted the effectiveness of the piezoelectric effect in plasma applications