A battery pack including a plurality of battery cells; a first case accommodating the plurality of battery cells; a protection circuit module coupled to one side of the plurality of battery cells and electrically connecting the plurality of battery cells; a bus bar electrically connected to the protection circuit module and extending in one direction along the plurality of battery cells; and a second case coupled to the first case and accommodating the plurality of battery cells, the protection circuit module, and the bus bar, wherein the bus bar includes a diverged branch formed by cutting a region of the bus bar in the one direction.

A sensing system for a battery includes a flex foil substrate including a first cover layer. A conductive layer defines a trace pattern including traces. A second cover layer defines a first opening. The conductive layer is sandwiched between the first cover layer and the second cover layer. The first opening exposes a first trace and a second trace of the trace pattern. A busbar is attached to the first cover layer of the flex foil substrate. A temperature sensor is connected to the first trace and the second trace of the trace pattern in the first opening of the first cover layer.

A rechargeable battery pack. The rechargeable battery pack includes a housing, at least one rechargeable battery cell including a cell connector, and a circuit board. The at least one rechargeable battery cell being electrically connected to the circuit board via the cell connector. The circuit board includes a connection point for the materially bonded connection of the cell connector to the circuit board, the connection point being situated on a side of the circuit board facing away from the rechargeable battery cells.

An energy storage apparatus, which includes a plurality of energy storage devices, includes: a bus bar which connects the energy storage devices to each other; a wiring; a wiring positioning member, which includes a plurality of guide portions; and a connector holding member, wherein a part of the plurality of guide portions positions the connecting holding member, and wherein an other part of the plurality of guide portions forms a path of the wiring.

An energy storage apparatus, which includes a plurality of energy storage devices, includes: a bus bar which connects the energy storage devices to each other; a wiring; a wiring positioning member, which includes a plurality of guide portions; and a connector holding member, wherein a part of the plurality of guide portions positions the connecting holding member, and wherein an other part of the plurality of guide portions forms a path of the wiring.

Provided a battery cell having a plurality of electrodes and a battery module using the same. In order to configure the battery module only by connections of the electrodes without including a separate bus bar and improve the degree of freedom of the connections, the battery cell having cathode terminals and anode terminals protruding to the outside includes: a plurality of electrode terminals selected from the cathode terminals or the anode terminals and formed on both sides of the battery cell opposing each other. The battery cell having the plurality of electrodes and the battery module formed is various forms according to a layout of a vehicle using the same may be configured.

A battery module comprising a plurality of battery units held in a corresponding plurality of battery receptacles, a plurality of inter-battery connectors interconnecting the plurality of battery units, a battery tray comprising the plurality of battery receptacles, and a power interface to facilitate power input and power output; wherein the inter-battery connector is configured as a heat dissipation member which extends through a first plurality of battery receptacles to interconnect a corresponding plurality of battery units.

A wiring module includes a flexible substrate, a sensor component (temperature sensor), a connecting member (bus bar), and a holding part-equipped relay member, wherein the holding part-equipped relay member includes: a relay member main body including a base part (first main plate) that is to be fixed to the flexible substrate and the bus bar, and a holding part (first holding piece) that is continuous with the first main plate; a pedestal part (housing) that is to be held by the first holding piece so as to be displaceable in a direction toward or away from the first main plate, and that is to be fixed to a position of the flexible substrate where the temperature sensor is mounted; and a biasing member that has elastic force, that has one end held by the first main plate, and that biases the housing in the direction away from the first main plate.

A battery module including: a battery cell stack in which a plurality of battery cells are stacked; a housing that houses the battery cell stack; a busbar frame that covers the front and rear surfaces of the battery cell stack; and an insulating member that has an upper part and two side parts, and surrounds the upper surface and both side surfaces of the battery cell stack, and the insulating member is positioned between the battery cell stack and the housing. Both side parts of the insulating member are formed by alternately and repeatedly folding a portion of the insulating member.

A battery module including: a battery cell stack in which a plurality of battery cells are stacked; a housing that houses the battery cell stack; a busbar frame that covers the front and rear surfaces of the battery cell stack; and an insulating member that has an upper part and two side parts, and surrounds the upper surface and both side surfaces of the battery cell stack, and the insulating member is positioned between the battery cell stack and the housing. Both side parts of the insulating member are formed by alternately and repeatedly folding a portion of the insulating member.