Optimization of low-temperature spar plasma sintering of KNN ceramics for lead-free piezoelectric energy harvesting

Key Points

• Improved energy harvesting efficiency is achieved through optimized low-temperature spar plasma sintering.
• The optimization reflects a significant enhancement, with a key increase of 30% in piezoelectric performance metrics.
• The analysis of KNN ceramics involves comprehensive evaluations of sintering conditions and their impacts on properties.
• The findings highlight the potential for lead-free alternatives in energy harvesting applications, advocating for further material development.