| CPC H01M 50/593 (2021.01) [H01M 10/052 (2013.01); H01M 10/0585 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/655 (2015.04); H01M 10/6553 (2015.04); H01M 10/6554 (2015.04); H01M 50/20 (2021.01); H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/211 (2021.01); H01M 50/224 (2021.01); H01M 50/24 (2021.01); H01M 50/249 (2021.01); H01M 50/51 (2021.01); H01M 50/516 (2021.01); H01M 50/528 (2021.01); H01M 50/531 (2021.01); H01M 50/54 (2021.01); H01M 50/543 (2021.01); H01M 50/547 (2021.01); H01M 50/55 (2021.01); H01M 2220/20 (2013.01)] | 11 Claims |
|
1. A battery pack comprising:
a stacked body in which a plurality of unit cells are stacked in a predetermined stacking direction; and
a housing that accommodates the stacked body, wherein:
each of the plurality of unit cells includes:
an electrode body including a positive electrode and a negative electrode; and
an exterior body accommodating the electrode body, and
a positive electrode terminal and a negative electrode terminal electrically connected respectively to the positive electrode and the negative electrode are arranged outside the exterior body,
an insulating member having an insulating property is arranged inside the housing, wherein:
the insulating member as a whole has one of a hexahedral block shape or a cylindrical shape, and
a positive-negative electrode joint in which at least a part of the positive electrode terminal of one of the plurality of unit cells and at least a part of the negative electrode terminal of another one of the plurality of unit cells are joined to each other is present between the unit cells adjacent in the stacking direction, and the positive-negative electrode joints are embedded in the insulating member,
wherein a through hole is defined through a wall of the housing in the stacking direction and configured for the introduction of a raw material for forming the insulating member into the housing, and
the through hole is sealed with a rivet.
|