US 12,294,096 B2
Battery and method of manufacturing same
Masafumi Kadoi, Chita (JP)
Assigned to PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo (JP)
Filed by Prime Planet Energy & Solutions, Inc., Tokyo (JP)
Filed on Nov. 15, 2021, as Appl. No. 17/525,972.
Claims priority of application No. 2020-190182 (JP), filed on Nov. 16, 2020.
Prior Publication US 2022/0158279 A1, May 19, 2022
Int. Cl. H01M 50/176 (2021.01); H01M 50/16 (2021.01); H01M 50/533 (2021.01); H01M 50/543 (2021.01); H01M 50/55 (2021.01); H01M 50/557 (2021.01); H01M 50/588 (2021.01); H01M 50/591 (2021.01)
CPC H01M 50/176 (2021.01) [H01M 50/16 (2021.01); H01M 50/533 (2021.01); H01M 50/543 (2021.01); H01M 50/55 (2021.01); H01M 50/557 (2021.01); H01M 50/588 (2021.01); H01M 50/591 (2021.01)] 17 Claims
OG exemplary drawing
 
1. A battery, comprising:
a battery case including a terminal mounting hole;
an internal terminal disposed inside the battery case and spaced apart from the battery case;
an external terminal disposed outside the battery case and spaced apart from the battery case, the external terminal connected to the internal terminal through the terminal mounting hole; and
a single piece of an electrically insulating resin disposed so as to fill a gap between the battery case and the internal terminal and a gap between the battery case and the external terminal, the single piece of the electrically insulating resin joined to the battery case, to the internal terminal, and to the external terminal, wherein
the internal terminal includes a protruding portion protruding into the terminal mounting hole,
the protruding portion includes a first surface defining a tip, and a second surface opposite to the first surface and defining a recess,
the internal terminal and the external terminal are joined to each other at the tip of the protruding portion, and
the single piece of the electrically insulating resin has a portion in contact with the second surface opposite to the tip of the protruding portion.