Sk on Co., Ltd.

Sk Innovation Co., Ltd.

Jae Il Hwang

Jun Hee Jung

Sei Hoon Cho

Bon Seok Ku

Min Song Kang

Jin Su Han

Tae Gu Lee

Ha Neul Choi

Jeong Woon Ko

Ja Sung Yun

Dong Hun Lim

Byeong Jun Pak

Seung Hoon Ju

Kwan Yong Kim

Ha Chul Jeong

Ji Hoon Lim

Jeong Hwan Lee

Jeong Joo Lee

Hyun Jae Jung

A battery cell assembly includes a plurality of battery cells, a bus-bar assembly to which electrode leads of the plurality of battery cells are coupled, and a barrier interposed between the plurality of battery cells and coupled to the bus-bar assembly.

Battery cell assembly and battery pack including the same

A battery pack includes a pack housing including a plurality of accommodation spaces; a partition member coupled to the pack housing and partitioning a space of the pack housing into the plurality of accommodation spaces; a plurality of pack units respectively disposed in the plurality of accommodation spaces; a first pack cover in contact with the partition member and covering at least one of the plurality of accommodation spaces or the pack unit; and a second pack cover covering the first pack cover and the pack housing.

Battery pack

A battery pack includes a cell assembly unit including a plurality of battery cells and a bus bar configured to electrically connect the plurality of battery cells, a frame unit accommodating the cell assembly unit, and a bracket unit fixing the cell assembly unit to the frame unit. The bracket unit and the frame unit form a flow path through which a gas is discharged. A reverse flow prevention member is disposed between the bus bar and the bracket unit. The reverse flow prevention member includes a plurality of gas permeation holes, each of which extends from one end facing the bus bar and leads to another end facing the flow path.

Cell assembly unit and battery pack including the same

A battery pack includes a number of secondary battery cells, and a frame unit including a number of sealed compartments in which the number of secondary battery cells are dispersedly accommodated, and configured to, when flames or gas are generated in a secondary battery cell disposed in one of the compartments, discharge the flames or gas.

Provided is a battery pack, including a battery module array including a plurality of battery modules coupled in series and having first and second terminals, each of the plurality of battery modules including at least one battery cell, a current blocking element coupled to the battery cell and opened when an overcurrent is applied, and a sensor unit measuring state information of the battery cell and transmitting the measured information; a battery blocking unit including a first switch unit coupled to the first terminal in series, a second switch unit coupled to the second terminal in series, and a third switch unit coupled to the first and second terminals; and a battery management system turning on the third switch unit to open the current blocking element when the measured information exceeds a predetermined threshold value.

Disclosed is a battery pack in which a fastening recess is provided on a side surface of a vertical frame and a CMU is fastened to the fastening recess, thereby securing rigidity of the vertical frame and maximizing an internal space of the battery pack.

Disclosed is a battery pack in which a seating recess is provided in a horizontal frame so that connection members pass through the horizontal frame through the seating recess, thereby maximizing a height of the horizontal frame. A vertical frame cover is provided in a vertical frame to secure a height of the vertical frame side in each module space. A sealing member is provided in the seating recess to seal the seating recess. A double shielding structure, including a module space cover shielding each module space and a battery pack cover shielding a battery pack housing as a whole, is provided to maximize airtightness of the battery pack.

The battery module includes: a battery cell stack in which a plurality of battery cells are stacked; a terminal block electrically connected to the battery cell stack; a housing accommodating the battery cell stack in a form of an opened side surface on which the terminal block is formed; an insulating cover covering an opening of the housing, a terminal block through hole exposing the terminal block to the outside being formed on one side of the insulating cover; and a terminal block protective cover accommodating the terminal block exposed to the outside. A portion of the terminal block protective cover being melted in a situation of a certain temperature or higher to cover and insulate an outer surface of the terminal block, thereby insulating the terminal block and preventing the short circuit in a thermal runaway situation.

Terminal block protective cover and battery module including the same

The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.

Battery module and battery pack including the same

Provided is a pouch-type battery cell capable of being directly accommodated in a battery pack, and a battery pack including the same. In the battery pack, a heat exchange portion of a battery cell assembly formed by stacking a plurality of battery cells each including an electrode tab lead portion and a heat exchange portion is configured to be in contact with a heat conduction member disposed on a bottom portion of a housing without a sealed surface, and a corner portion formed to protrude from one end of the electrode tab lead portion is configured to be accommodated through a bus bar assembly, a cover plate, or a step portion of the bottom portion of the housing to be electrically insulated.

Pouch type battery cell and battery pack including the same

Provided is a battery module for a secondary battery. The battery module includes a busbar for a connection of electrode tabs. According to exemplary embodiments of the present disclosure, in a battery module for a secondary battery, a thickness of a welded portion may be reduced while maintaining a total cross-sectional area of a busbar when electrode tabs of each of secondary batteries are connected in series or in parallel by a laser welding. Thus, the battery module may have an enhanced welding quality, and also may have an effect of being applicable to a high-capacity battery or a battery that is used for a long period of time.

Battery module for secondary battery

Provided is a water-cooling type secondary battery, and more particularly, a water-cooling type secondary battery capable of improving heat conductivity to thereby increase cooling efficiency by integrally forming a refrigerant pipe on an edge part of heat radiating plates respectively interposed between a plurality of battery cells which are stacked in parallel with each other and closely adhered to each other.

Water-cooling type secondary battery

Provided is a battery module including: a plurality of battery cells which are arranged to be stacked and are electrically connected to each other; a plurality of partitions positioned between the battery cells and having aluminum panels fixed on upper and lower surfaces thereof; and a printed circuit board (PCB) electrically connected to the battery cell, wherein the battery cell and the PCB are connected to each other by one or more voltage sensing wires positioned on the partitions and having one side which is in contact with a bus bar of the battery cell and the other side which is in contact with a PCB terminal formed on the PCB.

Growing community of inventors

Daejeon, South Korea

Jae Il Hwang