Categorized | Energy, Solar power

Self-cooling PV cells use layer of silica glass

self-cooling-solar-cells

Stanford researchers have developed a way to keep solar photovoltaic cells cooler, even in baking temperatures. If the cells get too hot, efficiency drops as does the lifetime of the cells. Adding pyramid-shaped layer of silica glass allows the cells to cool on their own, avoiding the need for water or wind for cooling.

β€œThe goal was to lower the operating temperature of the solar cell while maintaining its solar absorption,” Fan said. β€œWe were quite pleased to see that while the flat layer of silica provided some passive cooling, the patterned layer of silica considerably outperforms the 5 mm-thick uniform silica design and has nearly identical performance as the ideal scheme.”

Thus, efficiency and cell lifetimes both increase, hugely improving productivity.

Morris Consulting

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