US 12,586,813 B2 · Manufacturing apparatus and manufacturing method of power storage device

Abstract

A manufacturing apparatus of a power storage device includes a resin filling mold configured to form an internal space that houses a laminated electrode body and to supply photo-curing resin used for forming a resin layer on at least a side surface on a long side of the laminated electrode body. The mold includes an upper mold, a lower mold, and two side surface molds on the long sides. Further, the manufacturing apparatus includes a light radiation device that radiates light which photo-cures the photo-curing resin supplied to the internal space. The manufacturing apparatus is configured to, when a front part of the supplied photo-curing resin that flows along the side surface reaches a predetermined position of the side surface, cure the flowing front parts by radiating the light from the light radiation device and stop the flowing front part from flowing along the side surface.

Claims20

Dependent claims

A manufacturing apparatus of a power storage device that includes a laminated electrode body in which a plurality of rectangular positive electrodes and negative electrodes is laminated with separators between the positive and negative electrodes and a resin layer made of a cured material of a photo-curing resin formed on each of at least two side surfaces on long sides from among side surfaces of the laminated electrode body when two rectangular wide surfaces at both ends in a laminating direction of the laminated electrode body are defined as an upper surface and a lower surface, respectively, the manufacturing apparatus comprising:

a resin filling mold including an upper mold and a lower mold respectively facing the upper surface and the lower surface, and a first side surface mold and a second side surface mold respectively facing the two side surfaces on the long sides, the resin filling mold being configured to form an internal space that houses the laminated electrode body and to supply the photo-curing resin used for forming the resin layer on at least the side surfaces on the long sides of the laminated electrode body housed in the resin filling mold;
and
a light radiation device configured to radiate light which photo-cures the photo-curing resin supplied to the internal space of the resin filling mold,
wherein the manufacturing apparatus comprises light radiation devices arranged at predetermined positions of the internal space to stop front parts of the photo-curing resin supplied to the internal space that flow along the side surfaces of the laminated electrode body by curing the front parts of the photo-curing resin that reach the predetermined positions of the side surfaces
wherein the upper mold comprises an upper frame and an upper plate and the upper frame applies pressure to a peripheral portion of the upper surface of the laminated body and the upper plate applies pressure to a central portion of the upper surface laminated electrode body.

2 more elements

A manufacturing method of a power storage device that includes a laminated electrode body in which a plurality of rectangular positive electrodes and negative electrodes is laminated with separators between the positive and negative electrodes and a resin layer made of a cured material of a photo-curing resin formed on each of at least two side surfaces on long sides from among side surfaces of the laminated electrode body when two rectangular wide surfaces at both ends of the laminated electrode body in a laminating direction are defined as an upper surface and a lower surface, respectively, the manufacturing method comprising:

preparing the laminated electrode body;
housing the laminated electrode body in an internal space formed by a resin filling mold, the resin filling mold including an upper mold and a lower mold respectively facing the upper surface and the lower surface, and a first side surface mold and a second side surface mold respectively facing the two side surfaces on the long sides;
applying pressure to a peripheral portion of the upper surface of the laminated electrode body with an upper frame of an upper mold, and applying pressure to a central portion of the upper surface of the laminated electrode body with an upper plate of the upper mold;
supplying, to the internal space of the resin filling mold, the photo-curing resin used for forming the resin layer on at least the two side surfaces on the long sides of the laminated electrode body housed in the resin filling mold;
and
curing, when front parts of the supplied photo-curing resin that flow along the side surfaces of the laminated electrode body reach predetermined positions, the front parts by radiating light to the front parts and stopping the front parts from flowing along the side surfaces with light radiating devices arranged at the predetermined positions.

3 more elements

Dependencies are inferred from the claim text.

Manufacturing apparatus and manufacturing method of power storage device

Life of this patent

Manufacturing apparatus and manufacturing method of power storage device

Life of this patent

Abstract

Claims20