An electricity storage pack includes an electricity storage module having a plurality of power storage elements, a first voltage signal wire through which signals regarding voltages of the power storage elements in the electricity storage module are transmitted, and a base member on which the electricity storage module is placed and that has a holding portion for holding the first voltage signal wire, in which the first voltage signal wire is routed in a space located between the electricity storage module and the base member.

A battery comprises: a plurality of cells each of which has two electrodes; a control unit with a circuit board; and a housing that contains the cells and the control unit. The housing is provided with a first terminal and a second terminal. The cell, which is disposed closest to the first terminal, is connected to the first terminal; and the cell, which is disposed adjacent to the control unit, is connected to the second terminal via the control unit. Among the cells and the control unit, the control unit is disposed closest to the second terminal. A bus bar is provided between the cell and the cell so as to serve as a folding portion that folds back the current path between the first and second terminals.

A connector assembly for electrically connecting poles of two adjacent battery cell. The connector assembly comprises an electrically conductive bus bar having a first connection area and a second connection area distal from each other, electrically conductive pole-mating components having a pole-mating face and a bar-mating face, and fastening components for attaching the electrically conductive bus bar and one of the pole-mating components to one of the poles of the two adjacent battery cells. The pole-mating faces of the pole-mating components are adapted for mating the poles the battery cells. The bar-mating faces of the pole-mating components are adapted for mating with the connection areas. The bar-mating faces and the connection areas have complementary concave/convex arched shape for optimizing contact surface over a range of relative positioning of the two adjacent battery cells.

A battery cell assembly for a battery unit of an electric vehicle. The battery cell assembly includes a plurality of battery cells. The battery cells are arranged in two rows. All battery cells are electrically connected in series. Moreover, an electromagnetic compensation conductor is provided which is arranged such that the electromagnetic compensation conductor passes by at least a first sub-group of the battery cells. Alternatively or additionally, at least one electric inter-row connector electrically connecting one of the poles of one of the battery cells of a first row to one of the poles of one battery cell of a second row, is provided and a connection direction of the inter-row connector is inclined with respect to the line-up directions. Furthermore, a battery unit for an electric vehicle including at least one battery cell assembly is presented.

A battery cell assembly for a battery unit of an electric vehicle. The battery cell assembly includes a plurality of battery cells. The battery cells are arranged in two rows. All battery cells are electrically connected in series. Moreover, an electromagnetic compensation conductor is provided which is arranged such that the electromagnetic compensation conductor passes by at least a first sub-group of the battery cells. Alternatively or additionally, at least one electric inter-row connector electrically connecting one of the poles of one of the battery cells of a first row to one of the poles of one battery cell of a second row, is provided and a connection direction of the inter-row connector is inclined with respect to the line-up directions. Furthermore, a battery unit for an electric vehicle including at least one battery cell assembly is presented.

Disclosed is a battery pack for a vehicle. The battery pack includes a battery unit with overlapped battery cells; unit busbars respectively coupled to electrodes at opposite ends of the battery cells and extended upward from the battery unit; unit busbar support bodies located at opposite ends of the battery unit and supporting the unit busbars and the battery cells; a lower tray on which overlapped battery units are loaded and supporting lower surfaces and side surfaces of the battery units; a pressing plate disposed between each of side walls of the lower tray and the battery units and configured to press the battery units in an overlapped direction of the battery units; and a top cover forcibly coupled to the overlapped battery units in a downward direction to cover upper portions of the battery units and configured to supply pressure for the pressing plate to press the battery units.

Disclosed is a battery pack for a vehicle. The battery pack includes a battery unit with overlapped battery cells; unit busbars respectively coupled to electrodes at opposite ends of the battery cells and extended upward from the battery unit; unit busbar support bodies located at opposite ends of the battery unit and supporting the unit busbars and the battery cells; a lower tray on which overlapped battery units are loaded and supporting lower surfaces and side surfaces of the battery units; a pressing plate disposed between each of side walls of the lower tray and the battery units and configured to press the battery units in an overlapped direction of the battery units; and a top cover forcibly coupled to the overlapped battery units in a downward direction to cover upper portions of the battery units and configured to supply pressure for the pressing plate to press the battery units.

A battery module includes a plurality of battery cells arranged in one direction, a pair of end plates at outsides of respective outermost battery cells among the plurality of battery cells, a pair of end blocks between the end plates and the respective outermost battery cells, and a protection device in at least one end block of the pair of end blocks.

This application provides a sampling component, including a body portion and a lap portion. The body portion is configured to transmit a sample signal. The lap portion laps the body portion at one end and laps a point for sampling at the other end, to acquire the sample signal; and the lap portion is provided with a fusing structure configured to implement fusing protection on the body portion.

A battery assembly, including: a plurality of battery cells each including a pair of poles; a printed circuit board (PCB) disposed adjacent to the plurality of battery cells and electrically coupled to a pole of the pair of poles of each of the plurality of battery cells; a plurality of switches disposed on the PCB each electrically coupled between the pair of poles of an associated battery cell; and a controller disposed on the PCB and electrically coupled to the plurality of switches; wherein the controller and the plurality of switches are operable for controlling the voltage provided by each of the plurality of battery cells. The PCB and the plurality of switches are electrically coupled to the pole of the pair of poles of each of the plurality of battery cells via a plurality of bus bars disposed one or more of above and below the PCB.