photovoltaic cell
noun [ C ] physics specialized uk/ˌfəʊ.təʊ.vɒl.teɪ.ɪk ˈsel/ us/ˌfoʊ.t̬oʊ.vɑːl.teɪ.ɪk ˈsel/
光电池（能将吸收的太阳光转变成电能，用于太阳电池板、视珍计算器等）
a type of photocell that changes light from the sun into electricity, used in solar panels, pocket calculators, etc.