Honda Motor Co., Ltd.

Ryu Tate

Shoshi Hidaka

Satoshi Takada

Kyosuke Miyoshi

Hideaki Sakai

Yoshiatsu Asai

Toru Ogaki

Shinji Wada

Masanori Matsuda

Yasutomo Kashiwakura

A power storage apparatus includes: a tubular casing extending in a first direction; a cell group configured by stacking a plurality of battery cells in the first direction; opening parts arranged at both ends of the tubular casing in the first direction; a housing part arranged inside the tubular casing and housing the cell group; an end plate fixed to the tubular casing so as to close the opening party; and a reinforcement member fixed across the tubular casing and the end plate, wherein one end part of the reinforcement member is fixed to a first fixation part provided on an outer wall part, of the tubular casing, the outer wall part being arranged in a second direction perpendicular to the first direction, and another end part of the reinforcement member is fixed to a second fixation part provided on an outer part of the end plate.

Power storage apparatus

A power storage device comprises: a cell group in which a plurality of battery cells are stacked; a cylindrical housing part that houses the cell group and has an opening at each end in a stacking direction of the battery cells; an end plate that covers the opening in the housing part; a vehicle body fastening member that is formed separately from the housing part and fastens the housing part to a vehicle body; and a bolt that fastens the end plate to the housing part, wherein the vehicle body fastening member has a threaded portion to be threadedly engaged with the bolt, and is fixed to the housing part by threadedly engaging the threaded portion with the bolt provided through the end plate and the housing part.

Power storage device

A battery device is provided with: an exterior body having two outer side walls; a plurality of battery cell groups that are arranged in parallel between the two outer side walls and that are each composed of a plurality of laminated battery cells; and holding mechanisms that are arranged between the plurality of battery cell groups and that hold the plurality of respective battery cell groups in the exterior body by applying, to the plurality of battery cell groups, a pressing force in a direction in which the battery cell groups are separated from each other and are pressed towards the two opposite outer side walls.

Battery device and method for manufacturing battery device

A battery device is provided with: an exterior body having two outer side walls; at least one battery cell group that is arranged between the two outer side walls of the exterior body and that is composed of a plurality of laminated battery cells; a first temperature-adjusting medium flow path that is provided in at least one of the two outer side walls of the exterior body and in which a temperature-adjusting medium capable of exchanging heat with the battery cells via the outer side wall flows; and a holding mechanism that brings the battery cell group into contact with the outer side wall so that heat can be exchanged and that holds the battery cell group in the exterior body by applying, to the battery cell group in the exterior body, a pressing force in a direction towards the outer side wall having the first temperature-adjusting medium flow path.

Battery device including battery cell group configured by a plurality of laminated battery cells in outer packaging and method for manufacturing the battery device

A vehicle power source system includes a plurality of module groups each including a plurality of battery modules and disposed separately from each other, and a cooling circuit including a plurality of module group cooling units which are configured to respectively cool the plurality of module groups. The plurality of module group cooling units are connected in series. Each of the plurality of module group cooling units includes a plurality of module cooling units, each of which is configured to cool one or more of the battery modules. In each of the plurality of module group cooling units, the plurality of module cooling units are connected in parallel.

Growing community of inventors

Saitama, Japan

Ryu Tate