Abstract: Disclosed herein is an adsorption device that adsorbs battery cells loaded in a loading bin and sequentially removes and transports the battery cells. The adsorption device includes a base plate capable of moving vertically and horizontally; a suction unit coupled to the base plate for adsorbing a battery cell located at a lower part of the base plate; and a push unit coupled to the base plate for striking the battery cell to produce a vibration in the battery cell adsorbed by the suction unit. The push unit includes a rod that is lifted up and down and strikes the top surface of the adsorbed battery cell to the lower end part, and the rod descends by the elastic force of a spring.

Abstract: A battery module and a manufacturing method therefor are provided. The battery module includes a pair of cylindrical battery cells, a pair of PTC elements at one side of the pair of battery cells, a connection member at an opposite side of the pair of cylindrical battery cells from the one side of the pair of cylindrical battery cells, and a connector having four wires connected to a single connection terminal and configured to electrically connect an external system and the pair of cylindrical battery cells via the connection terminal is provided.

Abstract: Proposed are a polymerizable compound, a polymerizable composition, and an optical film using the same, which can exhibit superior optical properties in a wide wavelength range by reducing wavelength dependence or exhibiting reverse-wavelength dispersibility.

Abstract: Proposed are a polymerizable compound, a polymerizable composition, and an optical film using the same, which can exhibit superior optical properties in a wide wavelength range by reducing wavelength dependence or exhibiting reverse-wavelength dispersibility.

Abstract: A lead processing apparatus includes a fixing die configured to maintain a position of a preliminary lead when a portion to be removed of the preliminary lead protrudes from a first end that is one side end and a cutting jig is configured to form the preliminary lead into an electrode lead shape by removing the portion to be cut except for a portion of the preliminary lead coupled to the fixing die, while being actuated in a downward direction with respect to the fixing die. In particular, each of corners of the first end has a round shape on a plane. A portion of the cutting jig, configured to cross the first end during the removal process (e.g., cutting) is performed by actuation in the downward direction is recessed in correspondence to the shape of the first end.

Abstract: A battery module and a manufacturing method therefor are provided. The battery module includes a pair of cylindrical battery cells, a pair of PTC elements at one side of the pair of battery cells, a connection member at an opposite side of the pair of cylindrical battery cells from the one side of the pair of cylindrical battery cells, and a connector having four wires connected to a single connection terminal and configured to electrically connect an external system and the pair of cylindrical battery cells via the connection terminal is provided.

Abstract: A lead processing apparatus includes a fixing die configured to maintain a position of a preliminary lead when a portion to be removed of the preliminary lead protrudes from a first end that is one side end and a cutting jig is configured to form the preliminary lead into an electrode lead shape by removing the portion to be cut except for a portion of the preliminary lead coupled to the fixing die, while being actuated in a downward direction with respect to the fixing die. In particular, each of corners of the first end has a round shape on a plane. A portion of the cutting jig, configured to cross the first end during the removal process (e.g., cutting) is performed by actuation in the downward direction is recessed in correspondence to the shape of the first end.