公开(公告)号：US11437664B2

公开(公告)日：2022-09-06

申请号：US16639700

申请日：2018-09-03

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuki Kuramitsu ,  Toshiya Gotou ,  Kazunari Hiraide

IPC: H01M10/613 ,  H01M10/647 ,  H01M10/6554 ,  H01M10/6551 ,  H01M10/659 ,  H01M50/20 ,  H01M10/6555

Abstract: A battery module includes a battery stack having a plurality of batteries that are stacked and a heat transfer suppression member disposed between adjacent two of the batteries, a heat conductor that extends in stacking direction X of the batteries and is adjacent to the battery stack, and a heat absorber that intervenes between the battery stack and the heat conductor and contains an endothermic agent that is to start endothermic reaction at a temperature higher than or equal to a predetermined temperature.

公开(公告)号：US12148908B2

公开(公告)日：2024-11-19

申请号：US17262689

申请日：2019-07-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Hirotaka Ogino ,  Toshiya Gotou

IPC: H01M10/6556 ,  H01M10/04 ,  H01M10/613 ,  H01M10/617 ,  H01M10/647 ,  H01M10/6552 ,  H01M10/6568

Abstract: A battery module includes an assembly of a plurality of batteries and a cooling member arranged so as to be heat exchangeable with the assembly. The cooling member is provided with a mixing portion in which refrigerant flows and the flowing refrigerant is mixed.

公开(公告)号：US12199292B2

公开(公告)日：2025-01-14

申请号：US17601957

申请日：2020-04-14

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Toshiya Gotou ,  Toshiyasu Kitamura ,  Mitsutoshi Tajima

IPC: H01M50/10 ,  H01M10/058 ,  H01M10/658 ,  H01M50/102 ,  H01M50/103

Abstract: A battery includes an electrode group, and a rectangular exterior casing that houses the electrode group and includes a tubular side wall, a bottom connected to a lower end of the side wall in a Z direction, and an opening provided at an upper end. An inner surface of the bottom of the exterior casing has a slope inclined with respect to a plane orthogonal to the Z direction. The electrode group is in thermal contact with the slope. The bottom may have a protrusion protruding inward in the Z direction of the exterior casing, and the slope may be formed on the protrusion.

公开(公告)号：US11217851B2

公开(公告)日：2022-01-04

申请号：US16639079

申请日：2018-08-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shingo Kume ,  Toshiya Gotou

IPC: H01M2/10 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/6567 ,  H01M10/6554 ,  H01M50/20

Abstract: A battery module includes battery stacks, a first restraining part, and a plurality of second restraining parts. The first restraining part has: a flat plate part; a plurality of first wall parts that protrude from a main surface of the flat plate part, extend in a stacking direction of the batteries, and are arranged in a first direction; and second wall parts extending in the first direction at end parts of each wall part. The second restraining parts are disposed individually corresponding to the first wall parts and each have: a belt part extending parallel to the flat plate part; a third wall part protruding from the belt part toward the first wall part and extending in the stacking direction; and fourth wall parts extending in the first direction at end parts of the third wall part. There are arranged a plurality of housing spaces for the battery stacks.

公开(公告)号：US12166191B2

公开(公告)日：2024-12-10

申请号：US17264246

申请日：2019-07-26

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Tetsuji Omura ,  Toshiya Gotou ,  Shinya Motokawa

IPC: H01M10/6556 ,  H01M10/613 ,  H01M10/647 ,  H01M10/653 ,  H01M10/6553 ,  H01M10/6567 ,  H01M10/658 ,  H01M50/209 ,  H01M50/224 ,  H01M50/227 ,  H01M50/276 ,  H01M50/278 ,  H01M50/289 ,  H01M50/50 ,  H01M50/526

Abstract: Battery module includes a plurality of batteries (secondary batteries), one or more bus bars that electrically connect the plurality of batteries, and cooling plate that is in contact with bus bar and has one or more passages through which a coolant flows. Each of the plurality of batteries has: an electrode body; an outer can that accommodates the electrode body; a lid that seals an opening of the outer can; and positive electrode terminal and negative electrode terminal that are individually inserted through a pair of through holes provided on the lid, are insulated from the lid, and are electrically connected to the electrode body. One of positive electrode terminal and negative electrode terminal is connected to bus bar.

公开(公告)号：US11631916B2

公开(公告)日：2023-04-18

申请号：US16638578

申请日：2018-08-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shingo Kume ,  Toshiya Gotou

IPC: H01M50/20 ,  H01M50/35 ,  H01M50/209 ,  H01M50/271 ,  H01M10/625 ,  H01M10/6552 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/647 ,  H01M10/6554 ,  H01M10/613

Abstract: A battery pack includes: a battery stack; a housing that houses the battery stack; and a skeleton part that is housed in the housing and reinforces the housing. The skeleton part includes a stem extending in a first direction, a plurality of branch portions that protrude from the stem and are arranged in a row in the first direction, and a plurality of housing spaces, each of the housing spaces being defined by a pair of branch portions disposed adjacently to each other and housing the battery stack. The stem and the plurality of branch portions are fixed to the housing.