NOVELTY - A solar cell module comprises a back cover including a sheet of an ionomer/nylon alloy having light-reflecting facets facing a front cover. The facets have an angular relationship with respect to the front cover such that light passing through the front cover and light-transmitting material and impinging on facets is reflected back toward the front cover at an angle relative to the front cover greater than the critical angle.    USE - As solar cell module.    ADVANTAGE - The internal reflector improves power output by as much as 67%.    DETAILED DESCRIPTION - A solar cell module comprises a back cover (14); a transparent front cover (4) overlying and spaced from the back cover; solar cells (8) disposed between the front and back covers and spaced from one another whereby predetermined areas of the back cover are free of the solar cells; and a light-transmitting material encapsulating the cells and bonded to the front and back covers. The back cover comprises a sheet of an ionomer/nylon alloy having light-reflecting facets (26) facing the front cover. The facets have an angular relationship with respect to the front cover such that light passing through the front cover and the light-transmitting material and impinging on the facets is reflected back through the light-encapsulating material toward the front cover at an angle relative to the front cover which is greater than the critical angle. The reflected light is internally reflected back through the light-transmitting material toward the solar cells. An INDEPENDENT CLAIM is also included for a method of increasing the output current of an array of solar cells in a module by using an ionomer/nylon alloy sheet having a light-reflecting coating (30) and embossed V-shaped grooves (24) as the back cover; and reflecting solar radiation impinging on the facets via the transparent cover sheet, whereby light impinging on the facets is directed onto the solar cells and the output current of the solar cell module is increased.    DESCRIPTION OF DRAWING(S) - The figure shows a fragmentary sectional view on an enlarged scale through a modification of the laminated photovoltaic module.    Front cover (4)    Solar cells (8)    Back cover (14)    V-shaped grooves (24)    Facets (26)    Light-reflecting coating (30)