Photovoltaic cell module and photovoltaic roof

The utility model relates to the technical field of power generation equipment, in particular to a photovoltaic cell assembly and a photovoltaic roof. The photovoltaic battery assembly comprises a battery piece, a light front plate and a metal back plate, the battery piece comprises a first surface and a second surface which are arranged oppositely, the light front plate is connected to the first surface of the battery piece, and the metal back plate is connected to the second surface of the battery piece; the metal back plate comprises a back plate body and a reinforcing rib, the back plate body comprises a first side and a second side which are arranged oppositely, and the reinforcing rib extends from the first side to the second side. The photovoltaic cell assembly is applied to a color steel tile photovoltaic roof, and under the condition that the thickness of the metal back plate is not increased, the supporting force of the metal back plate to the light front plate is enhanced by arranging the reinforci