A fuel cell (10) includes a separator assembly (12) in which a plurality of plates (31, 32, 33) are laminated on each other and adjacent ones of the plates (31, 32, 33) are secured to each other suchthat external force does not cause displacement of the plates relative to each other, a terminal (50) used for detecting voltage, and a terminal connecting portion (22) provided in the separator assembly (12) for connecting the terminal (50) to the separator assembly (12).