BATTERY, TAB OF BATTERY AND METHOD OF MANUFACTURE THEREOF

A lithium ion battery (1) includes a lithium ion battery module (2) provided with tabs (4), and a package 5 holding the lithium ion battery module (2) therein. The package (5) has a sealed peripheral part (5a) sealed by heat-sealing. At least a part of each tab (4) corresponding the sealed peripheral part (5a) is coated with a corrosion-resistant layer (4S).