Abstract: Provided is an oxygen absorbent containing a mixture (X) of aluminum (A) and aluminum compounds (B), which can be easily wasted and cannot be detected by a metal detector similarly to related art of oxygen absorbents. The oxygen absorbent has an excellent maximum oxygen absorption quantity, in which aluminum can more effectively absorb oxygen.

Abstract: In the solar cell module, a plate-like main body having a power generating function has two end portions opposed to each other, an eaves side frame is provided at one end portion thereof, and a ridge side frame is provided at another end portion thereof, a frame cover capable of being brought into contact with a ridge side frame of another solar cell module is attachably and detachably attached to the eaves side frame, the eaves side frame is provided with an engaging member which engages with the frame cover, and the frame cover is provided with an engaging member which engages with the engaging member on the eaves side frame and an elastic member brought into contact with the engaging member on the eaves side frame to press.