公开(公告)号：US20180183109A1

公开(公告)日：2018-06-28

申请号：US15735939

申请日：2016-07-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TERUHISA MIURA ,  KOKI INOUE ,  AKIRA KAKINUMA ,  KATSUHISA WADASAKI ,  YASUTAKA KOGETSU ,  YUKI SUEHIRO

IPC: H01M10/0587 ,  H01M10/0525 ,  H01M2/08 ,  H01M2/26 ,  H01M2/04

CPC classification number: H01M10/0587 ,  H01M2/022 ,  H01M2/0413 ,  H01M2/046 ,  H01M2/08 ,  H01M2/26 ,  H01M2/263 ,  H01M10/0525

Abstract: A winding-type battery includes a battery case, a power generating element, a cap for blocking an opening of the battery case, and a gasket for insulating the battery case from the cap. The first electrode is connected to the cap via a first current collecting lead, and the second electrode is connected to the battery case via a second current collecting lead. A groove is formed near the opening end of the battery case. The gasket includes: an annular seal portion interposed between a rim of the cap and the region from the groove to the end; and a tubular portion that is integrated with the seal portion, and is disposed closer to the electrode group than the seal portion is. The first current collecting lead is connected to the cap through a hollow in the tubular portion.

公开(公告)号：US20180301672A1

公开(公告)日：2018-10-18

申请号：US15766371

申请日：2016-10-13

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SEIICHI AOKI ,  KOKI INOUE ,  TOMIYUKI TAGA

IPC: H01M2/04 ,  H01M2/30 ,  H01M10/058 ,  H01M10/04

Abstract: A sealing body for cylindrical batteries includes a clad material that has a first surface and a second surface opposite to the first surface. The clad material includes a first metal layer made of a first metal on the first surface side, and a second metal layer made of a second metal on the second surface side. The clad material is formed so as to include a central portion having a projecting terminal portion, and a collar portion disposed on a rim of the central portion integrally with the central portion. The clad material includes the terminal portion on the first surface side, and a lead welding surface on the second surface side. The first metal has a rigidity higher than that of the second metal.