Unveiling asymmetric thermo-mechanical coupling for enhanced energy harvesting: A lead-free BCT-BST based pyro-piezoelectric hybrid nanogenerator

Key Points

• The aim is to investigate how temperature and mechanical force interact to affect the performance of a hybrid pyro-piezoelectric nanogenerator.
• Developed a hybrid nanogenerator combining pyroelectric and piezoelectric materials.
• Measured energy output under varying temperature and mechanical stress conditions.
• Analyzed the coupling effects on energy harvesting efficiency.
• Demonstrated improved energy output with optimized thermo-mechanical coupling.
• Found that the lead-free BCT-BST materials enhance performance compared to traditional materials.
• Showed significant efficiency gains in energy conversion compared to standalone generators.