Patent ID: 11916249
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A cover assembly of a secondary battery, comprising:
a cover plate with an air hole;
a blocker inserted into and blocking the air hole;
a sealer disposed between the blocker and the cover plate, surrounding the air hole, to seal a gap between the blocker and the cover plate; and
a fastener disposed inside the air hole, wherein the fastener is connected to the cover plate, the blocker is connected to the cover plate through the fastener, and the fastener is configured to thermally deform in response to a temperature rise, so that the blocker stops blocking the air hole,
wherein an insulating plate is disposed on an inner side surface of the cover plate facing an electrode assembly, and the fastener and the insulation plate are integrally formed using a same material.