Lithium chloride/ sodium polyacrylate hydroscopic composite passively cools solar panels, increasing power output 12.9%, lifetime by >200%

https://www.eurekalert.org/news-releases/1085452

"thin, 9.4°C cooler solar cells, reducing their cost of generating electricity by nearly 20%... absorbs air moisture at night and releases it during the day. Polyacrylate is a cheap polymer, and the fabrication process needs no hostile chemicals or specialized reagents unlike other hydroscopic composites used for cooling, further reducing the cost... greenhouses, solar cells"

Related: New cooling system patent promises significant boost in solar panel efficiency

https://www.eurekalert.org/news-releases/1093854