公开(公告)号：US20230187794A1

公开(公告)日：2023-06-15

申请号：US17924460

申请日：2021-05-13

Applicant: GS Yuasa International Ltd.

Inventor： Jun NAKAMURA ,  Akio KAWAI

IPC: H01M50/564 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553 ,  H01M50/562

CPC classification number: H01M50/564 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553 ,  H01M50/562 ,  H01G11/74

Abstract: An energy storage device includes an electrode assembly, a case that houses the electrode assembly, and a metal external terminal disposed in the case, wherein the external terminal includes a flange portion spreading along the case outside the case and a shaft portion extending from the flange portion and penetrating the case, the flange portion is formed of a clad material including a plurality of metal layers stacked in a penetrating direction of the shaft portion, and includes a through hole through which the shaft portion is inserted.

公开(公告)号：US20150357607A1

公开(公告)日：2015-12-10

申请号：US14829402

申请日：2015-08-18

Applicant: GS Yuasa International Ltd.

Inventor： Masakazu TSUTSUMI ,  Jun NAKAMURA

IPC: H01M2/02 ,  H01G11/66 ,  H01G11/22 ,  H01G11/78

CPC classification number: H01M2/021 ,  H01G11/22 ,  H01G11/66 ,  H01G11/78 ,  H01M2/0275 ,  H01M2/0277

Abstract: An electric storage device includes an electrode assembly, an insulating cover covering the electrode assembly, and a case including a case body having a rectangular box shape and including an opening, the case body being configured to house the electrode assembly and the insulating cover. The insulating cover is foamed into a rectangular box shape conforming to the case body. An embossing is applied to the insulating cover.

Abstract translation: 一种电存储装置，包括电极组件，覆盖电极组件的绝缘盖，以及包括具有矩形盒形状并包括开口的壳体的壳体，壳体构造成容纳电极组件和绝缘盖。 绝缘盖发泡成符合壳体的矩形箱形。 对绝缘盖施加压花。

公开(公告)号：US20230268626A1

公开(公告)日：2023-08-24

申请号：US18010114

申请日：2021-06-15

Applicant: GS Yuasa International Ltd. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Jun NAKAMURA ,  Akio Kawai ,  Hideyo TOGASHl ,  Mitsuhiro NAKATANI ,  Toshihiro TAKADA ,  Hiroshi INUKAl ,  Hiroshi ONIZUKA ,  Naoya HAMAGUCHI

IPC: H01M50/553 ,  H01M50/562 ,  H01M50/566

CPC classification number: H01M50/553 ,  H01M50/562 ,  H01M50/566

Abstract: This embodiment includes an electrode assembly; a case for housing the electrode assembly; and an external terminal made of a metal and disposed on the case, in which the external terminal includes: a flange extending along an outer surface of the case; and a shaft extending from the flange to pass through the case and be conductive with the electrode assembly, the flange is made of a clad material having a plurality of metal layers layered in a passing direction of the shaft, each adjacent ones of the plurality of metal layers are made of different metals in kind, and one of the plurality of metal layers of the flange at one end in the passing direction is made of the same metal in kind as the metal of the shaft, and is welded to the shaft.

公开(公告)号：US20210305632A1

公开(公告)日：2021-09-30

申请号：US17207980

申请日：2021-03-22

Applicant: GS Yuasa International Ltd. ,  Blue Energy Co., Ltd.

Inventor： Taisei SEKIGUCHI ,  Yudai KAWASOE ,  Jun NAKAMURA ,  Kazushi NITTA

IPC: H01M10/0587 ,  H01M4/133 ,  H01M50/449 ,  H01M10/0585

Abstract: An energy storage device according to an aspect of the present invention includes: a winding type electrode assembly including a negative electrode containing a negative active material, a positive electrode, and a separator disposed between the positive electrode and the negative electrode; a case housing the electrode assembly; and a spacer disposed between the electrode assembly and an inner surface of the case in the case, wherein the separator includes a wet film, the negative active material is a carbonaceous material or lithium titanate, and the spacer is harder than the separator.