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June 26,2026

MIT-WPU Develops Solar Thermal Battery for Hot Water Supply Beyond Sunset Hours

Researchers at MIT World Peace University (MIT-WPU) have developed a solar thermal battery that stores solar heat in a phase change material (PCM) to provide hot water for up to 14 hours after sunset. The system combines a Scheffler solar concentrator with paraffin wax, achieving 55% thermal efficiency and storing 1.

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