A battery module comprising a plurality of battery cells having two opposite ends, a first busbar assembly comprising at least a first busbar coupled with a first busbar frame, and a second busbar assembly comprising at least a second busbar coupled with a second busbar frame configured to electrically couple the battery cells, and a main frame having side walls forming a housing and a middle wall inside the housing dividing an inner space of the housing in a vertical direction to a first and a second section, wherein the middle wall comprises a plurality of holes for receiving the battery cells such that one end of battery cell is in the first section and another end is in the second section, and wherein the middle wall further comprises a plurality fastening members for fastening the first busbar assembly to the main frame in the first section and the second busbar assembly to the main frame in the second section such that the battery cells are arranged between the first and the second busbar assemblies which couple the battery cells to the battery module.

A battery pack includes: a plurality of battery cells arranged into rows adjacent to each other, adjacent rows of battery cells being alternately shifted to front positions or rear positions in a row direction; busbars arranged to form a parallel group of battery cells by connecting a group of battery cells to each other in parallel, and connecting adjacent parallel groups to each other in series, the busbars including a body portion extending in a zigzag shape in a column direction and a first and second branch portion extending in the row direction from the body portion toward different parallel groups; and expansion pieces protruding from the body portion of the busbar to external positions outside the plurality of battery cells in the row direction or the column direction.

A battery pack includes: a plurality of battery cells arranged into rows adjacent to each other, adjacent rows of battery cells being alternately shifted to front positions or rear positions in a row direction; busbars arranged to form a parallel group of battery cells by connecting a group of battery cells to each other in parallel, and connecting adjacent parallel groups to each other in series, the busbars including a body portion extending in a zigzag shape in a column direction and a first and second branch portion extending in the row direction from the body portion toward different parallel groups; and expansion pieces protruding from the body portion of the busbar to external positions outside the plurality of battery cells in the row direction or the column direction.

A battery module includes a housing having an internal space; a cell stack accommodated in the internal space and including a plurality of battery cells and a plurality of heat blocking members stacked therein; a busbar assembly including a busbar frame opposing at least one side surface of the cell stack, and a plurality of busbars coupled to the busbar frame and electrically connected to the plurality of battery cells, wherein at least one of the plurality of heat blocking members includes an extension portion inserted into the busbar frame and preventing an electrical short circuit between the plurality of busbars.

The present disclosure relates to the technical field of battery, and discloses an integrated bus bar element for a battery, a battery and a vehicle; wherein the integrated bus bar element comprises a bus bar (20, 20a, 20b), and a plurality of branch bars (28a-28j) for electrical connection to battery cells (10, 10a, 10b) respectively, and the bus bar (20, 20a, 20b) and the branch bars (28a-28j) are made of a single conductor and integrally formed as a single piece. The integrated bus bar element of the present disclosure eliminates the connection points between the bus bar and the branch bars, a step of connecting the bus bar and the branch bars is not required to be implemented during the battery assembly, thus the reliability and assembly convenience of the battery are greatly improved.

The present disclosure relates to the technical field of battery, and discloses an integrated bus bar element for a battery, a battery and a vehicle; wherein the integrated bus bar element comprises a bus bar (20, 20a, 20b), and a plurality of branch bars (28a-28j) for electrical connection to battery cells (10, 10a, 10b) respectively, and the bus bar (20, 20a, 20b) and the branch bars (28a-28j) are made of a single conductor and integrally formed as a single piece. The integrated bus bar element of the present disclosure eliminates the connection points between the bus bar and the branch bars, a step of connecting the bus bar and the branch bars is not required to be implemented during the battery assembly, thus the reliability and assembly convenience of the battery are greatly improved.

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.

In certain embodiments, a system includes a belt for mechanically linking multiple energy storage cells together, wherein the multiple energy storage cells are grouped into at least first and second energy storage packs, each energy storage pack including at least one energy storage cell, the at least one energy storage cell of the first energy storage pack having a different energy storage characteristic from the at least one energy storage cell of the second energy storage pack. The system further includes an operational zone for receiving an energy storage pack and establishing an electrical connection between the received energy storage pack and an electrical device, and an actuator operable to move the multiple energy storage cells together to thereby dispose the first energy storage pack in the operational zone to establish the electrical connection with the electrical device.

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.

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.