Experimental investigation of a solar photovoltaic-thermophotovoltaic cascade system with concentrating spectrum splitting and reshaping

Key Points

• Enhanced energy efficiency was achieved in the cascade system, combining two energy conversion methods—solar photovoltaic and thermophotovoltaic.
• Experimental results show a significant increase in conversion rates under concentrated spectrum splitting conditions — leading to improved overall performance.
• The study utilized an innovative approach with spectrum splitting and reshaping to optimize energy capture from solar radiation, enhancing heat conversion rate effectively.
• These findings suggest that integrating multiple energy conversion technologies can lead to greater efficiency in harnessing renewable solar power.],