Abstract: A photosensitive composition includes a plurality of quantum dots including an organic ligand on the surface thereof; a binder; a photopolymerizable monomer composition; photoinitiator; and a solvent, wherein the photopolymerizable monomer includes a main monomer having 1 to 6 carbon-carbon double bonds, a first accessory monomer having 8 to 20 carbon-carbon double bonds, and a second accessory monomer represented by Chemical Formula A; and a method of preparing the photosensitive composition and a quantum dot-polymer composite pattern prepared therefrom are provided: R1O-(L1)m-L3-A-L4-(L2)n-OR2??Chemical Formula A wherein, A, L1, L2, L3, L4, R1, and R2 are the same as defined herein.

Abstract: A secondary battery includes a bare cell including a case and a cap plate sealing the case, a temperature sensing element on the cap plate, and a protective circuit module coupled to the cap plate and electrically connected to the bare cell and the temperature sensing element, wherein an electrical connection member is on at least one side of the temperature sensing element and electrically connects the temperature sensing element to at least one of the bare cell and/or the protective circuit module.

Abstract: A power conversion system includes a controller to control discharge of a smoothing condenser based on at least one signal received through an input. The at least one signal indicates a failure of a discharge circuit configured to discharge the smoothing condenser The controller controls discharge of stored charge in the smoothing condenser through parasitic resistance components of a power system which includes the smoothing condenser. The power conversion system may be used with an electric vehicle.

Abstract: A cooling system for a battery reduces a cooling package space using a duplex pipe and can reinforce mechanical strength of the duplex pipe by forming reinforcement ribs in the duplex pipe. The cooling system includes a duplex pipe, and an internal unitary pipe connected to the duplex pipe and arranged at a side of a battery cell, the internal unitary pipe including an internal inlet to flow a cooling fluid into the internal unitary pipe and an internal outlet to flow the cooling fluid from the internal unitary pipe.

Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly and an exterior member accommodating the electrode assembly. The exterior member includes a flexible pouch portion and a can portion connected to the pouch portion and formed of a material having a greater hardness than that of the pouch portion.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.

Abstract: A battery module comprises at least one battery cell including two battery cell terminals. The battery module further comprises a battery module cover configured for connection to the battery module to cover at least part of the battery module. Conducting tracks configured for connection to at least one sensor in an electrically conductive manner are integrated in the battery module cover.

Abstract: A battery system includes: a plurality of battery banks connected in parallel with each other; and a distribution controller coupled to the battery banks and configured to: receive a command comprising a target charging/discharging amount; determine a priority order between the battery banks based on a state of charge (SOC) and a state of health (SOH) of each of the battery banks; select at least some of the battery banks to be charged or discharged according to the target charging/discharging amount based on the priority order; and perform a charging or discharging on the at least some of the battery banks according to the target charging/discharging amount so that others of the battery banks are paused.

Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a plurality of battery cells each extending in a first direction and a battery management system (BMS) configured to control a charging/discharging operation of the battery cells. The BMS is placed at one of exterior surfaces of the battery cells and extends in a direction crossing the first direction.

Abstract: A negative active material for a rechargeable lithium battery, a method of preparing a negative active material for a rechargeable lithium battery, and a rechargeable lithium battery, the negative active material including a silicon-graphite composite, wherein the silicon-graphite composite includes a graphite particle, a silicon particle inside the graphite particle, and amorphous carbon inside the graphite particle.

Abstract: A rechargeable lithium battery includes an electrode assembly including a positive electrode including a positive current collector, a first separator on the positive electrode, a negative electrode including a negative current collector on the first separator, and a second separator on the negative electrode. The positive current collector and the negative current collector each have respective uncoated regions at two sides thereof. The first separator includes a first substrate including a polyolefin-based resin particle, and a coating layer on a side of the first substrate the coating layer being an inorganic layer or an organic layer. The second separator includes a second substrate including a polyolefin-based resin particle, and an outermost region and/or a central region of the electrode assembly includes one of the uncoated regions of the positive current collector, the first separator, one of the uncoated regions of the negative current collector and the second separator.

Abstract: A heat resistant porous layer composition for a separator of an electrochemical battery includes a compound represented by Formula 1, an initiator, and a solvent, wherein Formula 1 is defined herein.

Abstract: A case for a battery pack includes a case member configured to accommodate a plurality of battery cells therein and a heat exchange member on any one surface of the case member, the heat exchange member being integrally formed with the case member.

Abstract: Provided are a photosensitive resin composition including (A) a photo-conversion material; (B) a binder resin including an acryl-based repeating unit including one or more thiol groups at the terminal end; (C) a photopolymerization initiator; and (D) a solvent, a photosensitive resin layer manufactured using the same, and a color filter including the photosensitive resin layer.

Abstract: A battery pack includes one or more battery cells including at one side electrode tabs of different polarities, the electrode tabs distanced from each other in a first direction and each protruding in a second direction transverse to the first direction; and a protective circuit module connected to the one side of the one or more battery cells to control charging/discharging of the one or more battery cells, and the protective circuit module is arranged to be superposed on the one or more battery cells.

Abstract: Provided are an apparatus and method for coating a separator. The method includes supplying a coating solution to a receiving chamber; applying the coating solution received in the receiving chamber to a surface of the separator through a coating bar; collecting coating solution overflowing the receiving chamber by a collection chamber surrounding the receiving chamber; and returning coating solution from the collection chamber to the receiving chamber through a return line.

Abstract: A silyl group-containing compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

Abstract: Provided is a secondary battery, including a battery cell; a frame unit surrounding the battery cell; an adhesive portion overlapping the battery cell and the frame unit and attached to the battery cell; and a label unit covering at least portions of the battery cell and the frame unit, at least a portion of the label unit overlapping the adhesive portion.

Abstract: A battery pack includes a plurality of battery cells, each battery cell of the plurality of battery cells including a top surface from which a pair of electrode tabs are drawn, a bottom surface facing the top surface, and a pair of long side surfaces having relatively large areas and a pair of short side surfaces having relatively small areas, among surfaces connecting the top surface and the bottom surface, and a plurality of cell frames, each cell frame of the plurality of cell frames individually accommodating a respective one of the battery cells and exposing portions of the long side surfaces of the respective one of the battery cells. The cell frames are coupled to each other in a line. Edges of the cell frames include fixing parts extending parallel with the long side surfaces of the battery cells and covering portions of the long side surfaces.

Abstract: A secondary battery, including an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; at least one electrode terminal including a terminal plate on the cap plate and a terminal pin passing through the cap plate and the terminal plate and electrically connected to the electrode assembly; and at least one groove on a top surface of the terminal plate; a top portion of the terminal pin is bent for insertion into the at least one groove.