It uses a nickel and cadmium plate and potassium hydroxide as the electrolyte. Originally invented in Sweden in 1899, it became popular in the 1950s after a sealed version was developed.

WASHINGTON— The Center for Biological Diversity filed a formal notice today of its intent to sue the Environmental Protection Agency for failing to assess harms to endangered species before nearly ...

Developed by the University of Toledo, the cell achived the highest efficiency ever reported for flexible cadmium telluride solar cells to date. The device reached an open-circuit voltage of 861 ...