Apparatus for Molding Secondary Battery Pouch and Secondary Battery Pouch Manufactured Thereby

An apparatus for molding a secondary battery pouch, the apparatus comprising:

• a die having a base surface and accommodation grooves, the, accommodation grooves configured for molding a cup part of a pouch placed on the base surface;
• and
• a punch configured to insert into the accommodation grooves of the die to mold the cup part of the pouch,
• wherein the accommodation grooves include:
• a left accommodation groove having a recessed shape;
• a right accommodation groove next to the left accommodation groove and having a recessed shape;
• and
• a bridge part between the left accommodation groove and the right accommodation groove and connecting the left accommodation groove to the right accommodation groove,
• wherein each of the left accommodation groove and the right accommodation groove has a horizontal bottom surface at a central area and an inclined bottom surfaces at end areas, based on a direction parallel to a longitudinal direction of the bridge part.

An apparatus for molding a secondary battery pouch, the apparatus comprising:

• a die having a base surface and accommodation grooves, the accommodation grooves configured for molding a cup part of a pouch placed on the base surface;
• and
• a punch inserted into the accommodation grooves of the die to mold the cup part of the pouch,
• wherein the accommodation grooves include:
• a left accommodation groove having a recessed shape;
• a right accommodation groove defined next to the left accommodation groove and having a recessed shape;
• and
• a bridge part between the left accommodation groove and the right accommodation groove and connecting the left accommodation groove to the right accommodation groove, the bridge part having two ends,
• wherein the bridge part has a recessed shape so that a height of a central portion is less than a height of each of both ends in a longitudinal direction, and
• each of the left accommodation groove and the right accommodation groove has a horizontal bottom surface at a central area and inclined bottom surfaces hat end areas, based on a direction parallel to a longitudinal direction of the bridge part.

A secondary battery pouch comprising:

• a pouch cup part comprising two cup parts of a left cup part and a right cup part;
• and
• a pouch bridge part configured to connect the two cup parts to each other between the left cup part to the right cup part, the pouch bridge part having two ends,
• wherein the pouch bridge part has a recessed shape so that a height of a central portion is less than a height of each of both the ends in a longitudinal direction.

A secondary battery pouch comprising:

• a pouch cup part comprising two cup parts of a left cup part and a right cup part;
• and
• a pouch bridge part configured to connect the two cup parts to each other between the left cup part to the right cup part,
• wherein each of the left cup part and the right cup part has a horizontal bottom surface at a central area and an inclined bottom surface at end areas, based on a direction parallel to a longitudinal direction of the bridge part.

A secondary battery pouch comprising:

• a pouch cup part comprising two cup parts of a left cup part and a right cup part;
• and
• a pouch bridge part configured to connect the two cup parts to each other between the left cup part to the right cup part, the pouch bridge part having two ends,
• wherein the pouch bridge part has a recessed shape so that a height of a central portion is less than a height of each of both the ends in a longitudinal direction, and
• each of the left cup part and the right cup part has a horizontal bottom surface at a central area and an inclined bottom surface at end areas, based on a direction parallel to a longitudinal direction of the bridge part.