Abstract: A battery pack having a bottom connection type tray is provided. The battery pack includes a tray configured to load a plurality of battery modules therein, a plurality of tray terminals provided on a bottom plate of the tray, a connection wire for interconnecting the tray terminals or connecting the tray terminals to an external circuit, and a battery terminal provided in each of the battery modules to be connected to a corresponding one of the tray terminals. Terminal connection is achieved while the battery modules are assembled with the tray, and therefore, an assembly procedure is more easily performed, and the reliability of a terminal connection structure is improved. In addition, automated assembly and production using a robot are possible.

Abstract: Discussed is a battery module having a plurality of battery cells and a module housing forming an inner space for accommodating the plurality of battery cells, wherein the module housing includes a base plate forming a bottom surface of the module housing; a cover plate integrally forming a top surface and opposite side surfaces of the module housing; and a fastening flange configured to extend in a horizontal direction in a region above the opposite side surfaces of the module housing.

Abstract: A battery module includes: a battery cell assembly including a plurality of battery cells adjacent to each other and stacked in parallel and a plurality of electrode leads protruded from respective ones of the plurality of battery cells; and a module cover accommodating the battery cell assembly, wherein the module cover includes an upper cover part exposing the plurality of electrode leads while covering an upper surface and a side surface of the battery cell assembly and a bus bar frame part coupled with the upper cover part and integrally formed with the upper cover part at a position corresponding to the plurality of electrode leads exposed by the upper cover part, and wherein the bus bar frame part includes a plurality of bus bars electrically connected to respective ones of the plurality of electrode leads.

Abstract: Discussed is a battery module that includes: at least one battery cell; a pair of pressing plates respectively disposed at opposite side surfaces of the at least one battery cell; and a module cover coupled to the pair of pressing plates to cover an upper side and a lower side of the at least one battery cell, wherein opposite ends of the module cover are bent by a bending to cover an upper end and a lower end of the pair of pressing plates, are welded to the pair of pressing plates, and include a plurality of auxiliary welding beads spaced apart from each other by a predetermined distance along a longitudinal direction of the module cover.

Abstract: A battery module for a vehicle is constituted by coupling two end plates (21) and two sensing blocks (22) such that the end plates (21) and the sensing blocks (22) are integrally formed to constitute one module type component (20) and coupling the integrated one module type component (20) to battery cells (10), which are stacked, such that the one module type component (20) surround peripheries of the battery cells (10).

Abstract: A bus bar assembly for electrically connecting a plurality of battery cells having electrode leads includes a fixed bus bar provided in the form of a rod-shaped conductor; a pair of movable bus bars disposed to be spaced from both sides of the fixed bus bar in a lateral direction with the fixed bus bar being interposed therebetween to form a fitting space respectively between the pair of movable bus bars and the fixed bus bar so that at least one electrode lead can be inserted therein; and an adhering member configured to move the pair of movable bus bars close to the fixed bus bar when an electrode lead is located in each fitting space so that the electrode leads can be adhered to the fixed bus bar.

Abstract: A battery module includes a bottom plate to support a cell stack; a busbar frame having a lower end portion bent in an inward direction along an upper surface of the bottom plate and mounted on the front and rear sides of the cell stack; a thermally conductive resin applied to the upper surface of the bottom plate; and a fence member provided at an end of the lower end portion of the busbar frame and disposed on the upper surface of the bottom plate to prevent the leakage of the thermally conductive resin.

Abstract: Disclosed is a battery housing. The battery housing includes a plurality of covers coupled to each other to form a space in which the battery is accommodated, the plurality of covers having a first cover and a second cover disposed adjacent to the first cover and coupled to the first cover; and a coupling rod configured to couple the first cover and the second cover.

Abstract: Provided is a system-on-chip that may perform a message encryption operation based on a transport layer security (TLS) scheme. The system-on-chip may include an authentication unit configured for exchanging a key used for the message encryption operation and performing authentication for a subject to perform communication, an advanced encryption standard (AES) engine core configured for performing a function of encrypting a message using a key or decrypting the encrypted message and a function of encrypting the key or decrypting the encrypted key, and a controller configured for controlling the AES engine core and the authentication unit based on a real time operating system (RTOS) and firmware for performing the message encryption operation.

Abstract: In a method of creating a device unique encryption key, a processor transmits, to an execution-only memory device, a request for creating a unique encryption key for a specific device and an identifier of the specific device; the execution-only memory device executes an execution-only routine stored therein to create a unique encryption key; and the execution-only memory device outputs the created unique encryption key to the processor as the unique encryption key of the specific device, wherein a controller of the execution-only memory device obtains a unique key stored in an internal memory without external access, and processes a key calculation algorithm based on the identifier of the specific device received from the processor and the unique key to create the unique encryption key.

Abstract: A battery pack cover has irregularities formed on an upper surface portion thereof. The battery pack cover effectively prevents stress from being concentrated on a specific area, enables rigidity enhancement without adding a separate bracket, and is easily assembled when applied to packaging.

Abstract: A battery module is provided. The battery module includes pouch-type battery cells stacked on each other and electrically connected in series and/or in parallel. Toward an electrode lead of one pouch-type battery cell, electrode leads of other pouch-type battery cells are biased to allow ends of the electrode leads to be overlapped. In particular, each of the pouch-type battery cells has an R bending portion at which a boundary region between a terrace of a pouch case and the electrode leads is bent toward a direction in which the electrode leads are biased.

Abstract: Discussed is a battery module manufacturing system, which includes a battery module having a cell stack formed by stacking a plurality of battery cells, a module case configured to accommodate the cell stack and a bus bar frame configured to cover an opening at one side of the module case; a fixing frame coupled to one side of the battery module so that the bus bar frame is exposed to the outside; and at least one pressing jig apparatus coupled onto the fixing frame and configured to press electrode leads of the plurality of battery cells so that the electrode leads are welded in close contact with both sides of a bus bar provided to the bus bar frame.

Abstract: A battery module includes a first module and a second module, each including a cell stack having a plurality of battery cells stacked vertically and a bus bar frame assembly configured to cover a front surface and a rear surface of the cell stack; and a pair of foldable side plates including a first side plate configured to cover and pressurize one side surface and another side surface of the first module and a second side plate configured to cover and pressurize one side surface and another side surface of the second module and coupled to the first side plate by a hinge.

Abstract: A bus bar assembly for electrically connecting a plurality of battery cells having electrode leads is provided. The bus bar assembly includes a bus bar support frame having an opening; an insertion bus bar, the insertion bus bar being displaceable relative to the bus bar support frame in the opening; side-adhering bus bars positioned with the insertion bus bar being interposed therebetween to form fitting spaces respectively besides opposite sides of the insertion bus bar so that at least one electrode lead is insertable into each of the fitting spaces; and a support member configured to support the insertion bus bar at a location protruding further from the bus bar support frame than the side-adhering bus bars protrude from the bus bar support frame, the support member being elastically deformable by the insertion bus bar when the insertion bus bar is pressed.

Abstract: A battery module includes a cell stack in which a plurality of battery cells are stacked; a pair of bus bar frames configured to cover one side and another side, respectively, of the cell stack in a longitudinal direction; a housing configured to accommodate a combined body of the cell stack and the pair of bus bar frames so that the pair of bus bar frames is exposed to an outside of the housing; and an insulation pad interposed between a side surface of the cell stack and an inner surface of the housing and between a side surface of one of the pair of bus bar frames and the inner surface of the housing.

Abstract: A battery module includes a cell stack having a plurality of battery cells stacked in one direction, and an ICB assembly electrically connected to the plurality of battery cells to sense voltage information. The ICB assembly includes front and rear bus bar frames, a sensing member, and at least one bridge plate. The front and rear bus bar frames are assembled to respective front and rear sides of the cell stack, the front and rear bus bar frames each having a respective plurality of bus bars that are in contact with electrode leads of the battery cells. The sensing member has one side fixed to the front bus bar frame and the other side fixed to the rear bus bar frame; and the at least one bridge plate is connected to the front and rear bus bar frames to maintain a gap of a constant distance therebetween.

Abstract: Provided is a battery module in which heat generation of a current path of a module bus bar mounted on a bus bar assembly is reduced. The battery module includes: a cell assembly including a secondary batteries that each include electrode leads; and a bus bar assembly including: a module bus bar including an upper plate portion and a lower plate portion that electrically connect the secondary batteries and the module terminal and each have at least one region separated from each other, a connection extending portion that extends to one side end portion of each of the upper plate portion and the lower plate portion, and a bent connecting portion that is combined to the module terminal provided at a top of the upper plate portion; and a pressurizing bus bar pressurizing the electrode leads such that end portions of the electrode leads contact the lower plate portion.

Abstract: Discussed is an electrode lead tack welding jig for a battery cell, and the jig including a jig body configured to support at least two battery cells, and a close contact guide unit provided to both ends of the jig body and configured to guide electrode leads of the at least two battery cells to come into close contact when tack welding is performed to the electrode leads by a laser.

Abstract: Provided are an ICB assembly suitable for a battery module of a horizontal stack structure wherein unidirectional battery cells are stacked such that cell leads face each other, a battery module including the same and a method for manufacturing the same. The ICB assembly of the present disclosure includes an ICB frame configured to accommodate cell leads of unidirectional battery cells having the cell leads formed on one side such that the cell leads face each other are placed on the top surface and the bottom surface of the ICB frame; and a bus bar adapted to electrically connect to the cell leads by being assembled to the ICB frame.