色素 しきそ増感 ぞうかん太陽 たいよう電池 でんちじゃなかったです
shikisozo ukanta iyōdenchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 色素増感太陽電池

1. Wasn't a dye-sensitized solar cell.; Wasn't a pigment-sensitized solar cell.

Past/Perfective
Negative
Polite
Casual Register