Abstract: A battery pack includes battery cells arranged along rows parallel to a first axis, the battery cells arranged in adjacent rows along a second axis crossing the first axis being misaligned with each other along the first axis; and a connection member configured to electrically connect the battery cells and form parallel modules, wherein the parallel modules include: a first parallel connection connecting first and second battery cells in adjacent rows; a second parallel connection connecting third and fourth battery cells in adjacent rows; and a third parallel connection connecting a pair of battery cells in a same row. The battery pack according to an embodiment may be advantageous for miniaturization and may provide a high-capacity output.

Abstract: A battery pack includes a plurality of battery cells electrically connected to each other, and a flexible line comprising a main body arranged at an edge of a cell region in which the plurality of battery cells is arranged, and a first branch portion to detect voltage and a second branch portion to detect temperature which branch from the main body toward the cell region.

Abstract: A battery pack includes: a plurality of battery cells; and a holder including cell regions in which the plurality of battery cells are arranged, and well regions each arranged between adjacent cell regions of the cell regions, each of the well regions being connected to at least one of the adjacent cell region and being filled with a filling resin.

Abstract: A battery pack includes: a first battery cell; a circuit board electrically connected to the first battery cell and extending along a first axis, a first surface of the circuit board facing the first battery cell; a first connection tab protruding from the first surface of the circuit board toward the first battery cell along a second axis crossing the first axis; and a detection connection member connecting the first connection tab to the first battery cell.

Abstract: A battery pack includes: a plurality of battery cells arranged in rows that are parallel with a first axis, wherein the battery cells arranged in the rows adjacent to each other in a second axis crossing the first axis are forwardly or backwardly misaligned with each other with respect to the first axis; and a plurality of bus bars having a zigzag shape and forming a plurality of parallel modules by connecting corresponding ones of the battery cells arranged in the second axis in parallel.

Abstract: A battery pack includes: a plurality of battery cells; and a holder including cell regions in which the plurality of battery cells are arranged, and well regions each arranged between adjacent cell regions of the cell regions, each of the well regions being connected to at least one of the adjacent cell region and being filled with a filling resin.

Abstract: A battery pack includes a plurality of battery cells electrically connected to each other, and a flexible line comprising a main body arranged at an edge of a cell region in which the plurality of battery cells is arranged, and a first branch portion to detect voltage and a second branch portion to detect temperature which branch from the main body toward the cell region.

Abstract: A battery pack, including a battery cell; and a case having a receiving space for the battery cell, the case including a frame member including an opening formed in a central portion thereof and having an inner surface facing the receiving space and an outer surface opposite the inner surface; a first cover on the frame member, the first cover including a flange portion supported on the inner surface of the frame member, a main body exposed through the opening of the frame member, and a connecting portion connecting the flange portion to the main body in a stepped manner; and a second cover coupled to the frame member, the battery cell being between the second cover and the frame member.

Abstract: The present invention relates to a technology for manufacturing a nanocomposite membrane comprising a graphene oxide coating layer with a thickness of 1 nm to 50 nm, which is formed on various supports and has nanopores, and a reduced graphene oxide nanocomposite membrane, and applying the membranes to gas separation. The graphene oxide nanocomposite membrane for gas separation of the present invention has excellent gas permeability and selectivity at the same time, and especially, excellent hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and the reduced graphene oxide nanocomposite membrane has remarkably enhanced hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and thus the membranes are applicable as a gas separation membrane in an industrial field involving a hydrogen separation process.

Abstract: A battery pack includes a plurality of unit batteries, each including a pair of first side surfaces and a pair of second side surfaces perpendicular to the pair of first side surfaces, the unit batteries being side-by-side in a first direction such that the pair of first side surfaces face each other. A protective circuit module including a substrate and protective devices mounted on the substrate is electrically connected to the unit batteries adjacent to top portions of the unit batteries. A first cap cover accommodates the protective circuit module and the top portions of the unit batteries. A second cap cover is spaced apart from the first cap cover with the unit batteries therebetween. The second cap cover accommodates bottom portions of the unit batteries. At least one of the first cap cover and the second cap cover includes a rib extending in a region between adjacent unit batteries.

Abstract: The present invention relates to a technology for manufacturing a nanocomposite membrane comprising a graphene oxide coating layer with a thickness of 1 nm to 50 nm, which is formed on various supports and has nanopores, and a reduced graphene oxide nanocomposite membrane, and applying the membranes to gas separation. The graphene oxide nanocomposite membrane for gas separation of the present invention has excellent gas permeability and selectivity at the same time, and especially, excellent hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and the reduced graphene oxide nanocomposite membrane has remarkably enhanced hydrogen gas permeability and hydrogen gas selectivity compared with carbon dioxide, and thus the membranes are applicable as a gas separation membrane in an industrial field involving a hydrogen separation process.

Abstract: A battery pack, including a battery cell; and a case having a receiving space for the battery cell, the case including a frame member including an opening formed in a central portion thereof and having an inner surface facing the receiving space and an outer surface opposite the inner surface; a first cover on the frame member, the first cover including a flange portion supported on the inner surface of the frame member, a main body exposed through the opening of the frame member, and a connecting portion connecting the flange portion to the main body in a stepped manner; and a second cover coupled to the frame member, the battery cell being between the second cover and the frame member.

Abstract: Disclosed is a battery pack that makes it possible to decrease a lead time of an insulating tape attaching process, and re-attach an insulating member. The battery pack includes a plurality of battery cells, a protection circuit module that controls charging and discharging of the battery cells, a first connecting plate electrically connecting the battery cells to each other, a second connecting plate electrically connected to the first connecting plate, and bent from the first connecting plate; and an insulating member disposed between the battery cell and the first and second connecting plates. The insulating member includes a first region placed between neighboring ones of the battery cells, and a plurality of second regions that are bent from the first region and are placed on outer surfaces of the neighboring battery cells, respectively.

Abstract: A battery pack includes a plurality of unit batteries, each including a pair of first side surfaces and a pair of second side surfaces perpendicular to the pair of first side surfaces, the unit batteries being side-by-side in a first direction such that the pair of first side surfaces face each other. A protective circuit module including a substrate and protective devices mounted on the substrate is electrically connected to the unit batteries adjacent to top portions of the unit batteries. A first cap cover accommodates the protective circuit module and the top portions of the unit batteries. A second cap cover is spaced apart from the first cap cover with the unit batteries therebetween. The second cap cover accommodates bottom portions of the unit batteries. At least one of the first cap cover and the second cap cover includes a rib extending in a region between adjacent unit batteries.

Abstract: A secondary battery is disclosed. In one aspect, the battery includes a bare cell having a substantially prismatic shape, a first terminal located in a first region of a first surface of the bare cell and a second terminal located in a second region of the first surface of the bare cell. The battery also includes a first insulation tape located between the bare cell and the first terminal, wherein the first insulation tape covers the first surface of the bare cell, and second and third surfaces of the bare cell extending in a direction that crosses the first surface of the bare cell. The battery also includes a second insulation tape located between the first insulation tape and the first terminal.

Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes first and second battery cells facing each other and a case comprising first and second insertion portions, into which the first and second battery cells are respectively inserted. The case also includes a circuit accommodator formed between the first and second insertion portions and accommodating a protection circuit configured to control charging and discharging operations of the first and second battery cells.

Abstract: A secondary battery is disclosed. In one aspect, the battery includes a bare cell having a substantially prismatic shape, a first terminal located in a first region of a first surface of the bare cell and a second terminal located in a second region of the first surface of the bare cell. The battery also includes a first insulation tape located between the bare cell and the first terminal, wherein the first insulation tape covers the first surface of the bare cell, and second and third surfaces of the bare cell extending in a direction that crosses the first surface of the bare cell. The battery also includes a second insulation tape located between the first insulation tape and the first terminal.

Abstract: A secondary battery is disclosed. In one aspect, the battery includes first and second battery cells facing each other and a case comprising first and second cell accommodators respectively at least partially accommodating the first and second battery cells, and a circuit accommodator formed between the first and second cell accommodators and accommodating a protection circuit configured to control charging and discharging operations. The circuit accommodator has top and bottom surfaces opposing each other, and each of the first and second cell accommodators has top and bottom surfaces opposing each other. The top surface of the circuit accommodator has a downward step with respect to the top surfaces of the first and second cell accommodators.

Abstract: A battery pack includes a region spaced a certain distance apart from a hole of a battery case. The region is different in surface roughness from the other regions of the battery case, and thus, a forming error of the hole may be visually detected, so as to decrease a condition setting time for controlling the forming error.

Abstract: A case for a battery pack includes a first case member including a first sidewall, a first rib extending from the first sidewall, and a coupling hook disposed on the first rib and a second case member including a second sidewall, a second rib spaced from and parallel to the second sidewall, a coupling hole defined in the second rib and coupled to the coupling hook. The first rib includes a reinforcement part disposed on an inner surface thereof facing the second rib.