Patent ID: 9466824
Filing Date: 2016-10-11
CPC Classification: H01M,Y02E

Claim Text:
1. A sealed battery including: an electrode body; a battery case housing the electrode body and having an open surface; a lid member closing the open surface of the battery case; a liquid inlet formed penetrating through the lid member; and a sealing member configured to seal the liquid inlet, wherein the sealing member includes: the movable portion is configured to be displaced to the non-contact position when pressure in an inside region on inside of the battery case sealed by the movable portion in the contact position is increased beyond a limit value with respect to pressure in an outside region on an opposite side to the inside region with respect to the movable portion, and the inside region is a region in the battery case that is more inside than the movable portion, and the outside region is a region on an opposite side to the inside region with respect to the movable portion.