公开(公告)号：US20190139712A1

公开(公告)日：2019-05-09

申请号：US16224436

申请日：2018-12-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kiyoshi WAKINAKA ,  Yohsuke MITANI ,  Kazuki MORITA

IPC: H01G11/82 ,  H01G2/10 ,  H01G11/10 ,  H01G11/74 ,  H01G11/78

Abstract: An electricity storage unit of the present disclosure includes: an electricity storage device; a holder for holding this electricity storage device; a case having a tubular side wall part and a bottom surface part closing one end of the side wall part, the case being formed with an opening at another end of the side wall part; and a cover for covering the opening. The electricity storage device and the holder are housed inside the case. At least a part of the cover is inserted inside the case. An aperture is formed at least part of a region between an outer periphery of the cover and an inner surface of the side wall part.