Safety Device Of Lithium-Ion Battery

摘要

A safety device of lithium-ion battery is provided which comprises a cap plate, a first electrode post, a second electrode post, a vent, a deformable plate, an insulating plate and a conductive plate, the first electrode post, the second electrode post and the vent are provided on the cap plate, the first electrode post and the cap plate are electrically connected, the first electrode post and the conductive plate are assembled in an insulating manner, the deformable plate is provided between the first electrode post and the conductive plate, the deformable plate are electrically connected to the first electrode post and the conductive plate, the deformable plate comprises a recessing portion, connecting portions and welding portions, the recessing portion is integrally connected to the welding portion by the connecting portion, the conductive plate is provided with a gas-guide hole, an opening of the gas-guide hole corresponds to the connecting portion.

主权项

1. A safety device of lithium-ion battery comprising a cap plate, a first electrode post, a second electrode post, a vent, a deformable plate, an insulating plate and a conductive plate, the first electrode post, the second electrode post and the vent being provided on the cap plate, the first electrode post and the cap plate being electrically connected, and the first electrode post and the conductive plate being assembled in an insulating manner, the deformable plate being provided between the first electrode post and the conductive plate, and the deformable plate being electrically connected to the first electrode post and the conductive plate, the deformable plate comprising a recessing portion, connecting portions and welding portions, the recessing portion being integrally connected to the welding portion by the connecting portion, the conductive plate being provided with a gas-guide hole, an opening of the gas-guide hole corresponding to the connecting portion.