Lg Chem, Ltd

Lg Energy Solution, Ltd.

Jee Hoon Jeong

JunYeob Seong

Jae Choon Yang

Hye Mi Jung

Kitaek Jung

Kyung Mun Kang

Myungki Park

Jonghwa Choi

Bong Soo Kim

Chang Sun Kong

A battery cell with an electrode assembly and a pouch case is disclosed herein. The electrode assembly can include a positive electrode, a negative electrode, and a separator interposed therebetween. The electrode assembly can have a planar shape with four sides. The pouch case can accommodate the electrode assembly. The pouch case can include a first accommodating portion to accommodate a portion of the electrode assembly, a second accommodating portion to accommodate the remaining portion of the electrode assembly. A folding portion of the pouch case can be configured to fold the pouch case such that the first accommodating portion and the second accommodating portion face each other. The pouch case can include a seam allowance formed by boning an extension of a sealing portion of the pouch case to an extension of the folding portion at an intersection of the folding portion and the sealing portion.

Battery cell and battery module

A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, a busbar frame connected to the battery cell stack, a busbar, cell terraces each protruding from mutually adjacent battery cells among the plurality of battery cells included in the battery cell stack, and electrode leads each protruding from the cell terraces and having the same polarity, wherein at least one of the cell terraces defines a bending portion that contacts the busbar.

Battery module and battery pack including the same

A battery module includes a battery cell stack in which a plurality of battery cells are stacked; and a module frame for housing the battery cell stack. The module frame includes a first module frame having an opened upper part and a second module frame having an opened lower part. The first module frame includes a first side surface part, a second side surface part, and a bottom part for connecting the first side surface part and the second side surface part, wherein the second module frame includes a third side surface part, a fourth side surface part, and a ceiling part for connecting the third side surface part and the fourth side surface part. The first module frame and the second module frame surround the battery cell stack in a state where the first side surface part and the third side surface part are overlapped, and the second side surface part and the fourth side surface part are overlapped.

A battery module according to one embodiment of the present disclosure includes: a cell stack including one or more battery cells; a mono frame accommodating the cell stack therein; and a thermally conductive resin layer positioned between a lower portion of the cell stack and the mono frame. The battery module further includes a spring positioned between an upper portion of the cell stack and the mono frame.

Battery module, method for preparing the same and battery pack including the same

The present disclosure relates to a battery module including: a battery cell stack in which a plurality of battery cells are stacked, and a frame member in which the battery cell stack is inserted, wherein the frame member includes plane surface parts covering the upper and lower surfaces of the battery cell stack, and curved surface parts covering both side surfaces of the battery cell stack, wherein the curved surface parts are formed on both side surfaces of the frame member located along the stacking direction of the battery cell stack, and wherein the curved surface parts support the battery cell stack.

A separator for a fuel cell having a flow channel including a transverse channel and a longitudinal channel formed therein, the transverse channel having a pair of opposed side walls, and a first pattern and a second pattern alternately spaced and arranged in the transverse channel is provided. Each of the first pattern and the second pattern is a column-shaped three-dimensional structure having a polygonal transverse section. The first pattern and the second pattern are arranged in the transverse channel so as to have a shape of the transverse sections being rotated 180&#xb0; relative to each other. First spacing distances from each of the first pattern and the second pattern to a first side wall of the pair of opposed side walls of the transverse channel are different.

Separator for fuel cell and fuel cell using the same

The present invention relates to an apparatus and a method for manufacturing a channel plate, and according to one aspect of the present invention, there is provided an apparatus for manufacturing a channel plate, which is a manufacturing apparatus for forming a channel for transferring a substance to a plate, comprising a slitting unit provided to have a predetermined pattern for forming a plurality of openings on the plate in a transport process of the plate and a pressing unit provided to form a channel on the plate by pressurizing the opening region of the plate passing through the punching unit to bend it in a predetermined angle and direction.

Manufacturing apparatus and method for channel plate

The present invention relates to a separator and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator comprising: a plurality of riblet elements arranged to be spaced apart at a predetermined interval; and a plurality of connecting bars connecting two adjacent riblet elements, wherein each of the riblet elements comprises a contact portion having a predetermined area, and a first partition wall and a second partition wall each extended from both sides of the contact portion, the space formed by the first partition wall, the contact portion and the second partition wall is opened along the connection direction of the connecting bar, and at least two riblet elements are provided such that each of the contact portions has a different area.

Separator having a plurality of riblet elements connected by a plurality of connecting bars, and fuel cell stack comprising the same

The present invention relates to a separating plate, a method for manufacturing the same, and a fuel cell stack comprising the same. An aspect of the present invention provides a separating plate comprising: a plurality of channels extending in elongated shapes along a first direction, respectively; and a plurality of riblet elements provided to connect side walls of two adjacent channels along a second direction, which is perpendicular to the first direction, wherein the plurality of riblet elements, which connect side walls of two adjacent channels, are spaced by a predetermined interval along the first direction, and a separating plate, which is provided with a first opening, is provided between two riblet elements, which are adjacent to each other along the first direction.

Separating plate, method for manufacturing same, and fuel cell stack comprising same

The present invention relates to a separating plate and a fuel cell stack including same. According to an embodiment of the present invention, a separating plate is provided defining a coolant passage capable of uniform coolant supply and heat recovery across all areas of a reaction region, the separating plate can easily regulate the temperature of a reaction surface, and a reduction in performance and durability due to thermal load can be prevented.

Growing community of inventors

Daejeon, South Korea

Jee Hoon Jeong