Abstract: A battery pack based on an embodiment of the disclosed technology may comprise: a pack housing including an inner space; and at least one battery module accommodated in the internal space of the pack housing and including a plurality of sub battery modules, wherein the plurality of sub battery modules include a plurality of cell stacks each of which comprises a plurality of battery cells stacked in a first direction and which are arranged in a second direction, and a plurality of partition walls are included between the plurality of cell stacks to exchange heat with the plurality of battery cells or block thermal propagation between the sub battery modules.

Abstract: The present invention relates to 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.

Abstract: 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.

Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a plurality of battery cells each including an electrode assembly and an electrode tab protruding from the electrode assembly, and a bus bar assembly coupled to the electrode tabs and connecting the plurality of battery cells. The bus bar assembly includes a main frame having a slit into which the electrode tab is inserted, a bus bar positioned on an outer surface of the main frame and electrically connected to the electrode tab, a plurality of inner frames facing an inner surface of the main frame and spaced apart from each other in a direction in which the battery cells are stacked, and a venting induction portion formed in a concave shape toward the electrode assembly and formed at an upper end portion of at least one of the plurality of inner frames.

Abstract: A camera device according to the present embodiment comprises: a first operation part comprising one of a first coil or a magnet and arranged on a fixed member; a second operation part which comprises the other one of the first coil and the magnet, is arranged on a movable member, and faces the first operation part; a hall sensor facing one of the first operation part and the second operation part; and a second coil arranged near the hall sensor, wherein at least a portion of the second coil is arranged between the hall sensor and the first coil.

Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a plurality of battery cells each including an electrode assembly and an electrode tab protruding from the electrode assembly, and a bus bar assembly coupled to the electrode tabs and connecting the plurality of battery cells. The bus bar assembly includes a main frame having a slit into which the electrode tab is inserted, a bus bar positioned on an outer surface of the main frame and electrically connected to the electrode tab, a plurality of inner frames facing an inner surface of the main frame and spaced apart from each other in a direction in which the battery cells are stacked, and a venting induction portion formed in a concave shape toward the electrode assembly and formed at an upper end portion of at least one of the plurality of inner frames.

Abstract: The present disclosure relates to a heat transfer member capable of preventing propagation of thermal runaway and a battery module including the same, and more particularly, to a heat transfer member capable of preventing propagation of thermal runaway in which heat or flame is propagated due to ignition or the like of at least one battery cell in a battery module, and a battery module including the same. According to the present embodiment, a heat transfer member provided in contact with a cooling member in a battery module or a stack composed of a plurality of battery cells includes a thermally expandable material having a thermal expansion initiation temperature of 90 to 150° C.

Abstract: An aperture set includes a support including a first opening overlapping with a lens, a rotor rotatably disposed on the support and including a second opening overlapping with the lens and the first opening, and a plurality of blades disposed on the support and respectively rotatably disposed on the rotor, wherein an inner surface of the blade for adjusting an amount of light incident on the lens includes a curved portion and a straight portion.

Abstract: An aperture set comprises: a support including a first opening overlapping with a lens; a rotor rotatably disposed on the support and including a second opening overlapping with the lens and the first opening; and a plurality of blades disposed on the support and respectively rotatably disposed on the rotor, wherein an inner surface of the blade for adjusting an amount of light incident on the lens includes a curved portion and a straight portion.

Abstract: A battery pack includes a pack housing, at least one battery module disposed inside the pack housing, and a vent hole connecting inside and outside of the pack housing, wherein the battery module includes a plurality of battery cells and a first thermal propagation (TP) blocking member disposed between the plurality of battery cells.

Abstract: A battery assembly includes a cell stack including a plurality of battery cells stacked together, a busbar assembly coupled to the cell stack and including a busbar electrically connected to an electrode lead of at least one of the battery cells, a plate unit configured to cover at least a portion of a side surface of the cell stack, a sensing unit coupled to the busbar assembly and disposed outside of the cell stack, and a cell monitoring unit installed on the plate unit and coupled to the sensing unit.

Abstract: 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.

Abstract: 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.

Abstract: Provided are a battery pack case and a battery pack including the same. A battery pack case is capable of preventing heat from propagating from a trigger module to a normal module by providing a flow channel, through which gas generated during a thermal runaway situation is flowable, in frames constituting the battery pack case, and discharging the gas or like to the outside through the flow channel.

Abstract: Provided are a battery module and a battery pack including the same, and more particularly, a battery module in which a CMU (cell monitoring unit) may be easily and conveniently mounted by providing a CMU mounting part, on which the CMU may be mounted, on an end plate constituting a module case, and a battery pack capable of simplifying the entire manufacturing process of the battery pack and increasing space utilization inside the battery pack by applying the battery module to the battery pack.

Abstract: An aperture set comprises: a support including a first opening overlapping with a lens; a rotor rotatably disposed on the support and including a second opening overlapping with the lens and the first opening; and a plurality of blades disposed on the support and respectively rotatably disposed on the rotor, wherein an inner surface of the blade for adjusting an amount of light incident on the lens includes a curved portion and a straight portion.

Abstract: A battery pack includes a plurality of battery modules, a battery pack case engaged to hold the plurality of battery modules and structured to provide an accommodating space in which the plurality of battery modules are accommodated, wherein the battery pack case includes one or more reinforcing frames structured to partition the accommodating space into subspaces in which the plurality of battery modules are held, one or more protective covers respectively coupled to the one or more reinforcing frames to cover part of each battery module and part of each reinforcing frame, and one or more bus bars coupled to the one or more protective covers and structured to electrically connect the plurality of battery modules.

Abstract: 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.

Abstract: 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.

Abstract: A camera device according to the present embodiment comprises: a first operation part comprising one of a first coil or a magnet and arranged on a fixed member; a second operation part which comprises the other one of the first coil and the magnet, is arranged on a movable member, and faces the first operation part; a hall sensor facing one of the first operation part and the second operation part; and a second coil arranged near the hall sensor, wherein at least a portion of the second coil is arranged between the hall sensor and the first coil.