18678371. RECHARGEABLE BATTERY (Samsung SDI Co., Ltd.)
RECHARGEABLE BATTERY
Organization Name
Inventor(s)
Jongjun Park of Yongin-si (KR)
Kwangsoo Seo of Yongin-si (KR)
Shinjung Kim of Yongin-si (KR)
RECHARGEABLE BATTERY
This abstract first appeared for US patent application 18678371 titled 'RECHARGEABLE BATTERY
Original Abstract Submitted
A rechargeable battery includes an electrode assembly, a can accommodating the electrode assembly in an internal region of the can, and a cap assembly coupled to the can to seal the can. The cap assembly includes a safety vent and a cap down stacked with a connecting member interposed between the safety vent and the cap down. The safety vent comprises a central part joined to the cap down, a middle part comprising a step portion and a notch groove, a fusion part in contact with the connecting member, and a wing part surrounding the fusion part. At least three of the central part, middle part, the fusion part, or the wing part have different thicknesses.