A secondary battery and a secondary battery module, the secondary battery including an electrode assembly (60), the electrode assembly (60) including a positive electrode (61), a negative electrode (62), and a separator (63) therebetween; a case (50) for a...

An electrochemical element (1) has two poles (2, 3) arranged on opposite faces; each pole has a terminal (4, 5) with at least one substantially flat protruding part (6, 7), each of the parts being shaped to lock in translation with a flat protruding part (...