Abstract:
The present disclosure includes a battery module having a power assembly that includes a plurality of battery cells and a plurality of bus bars that electrically couples a terminal of each of the plurality of battery cells to a terminal of an adjacent battery cell of the plurality of battery cells. The battery module also includes a lead frame that includes a plurality of cell taps respectively electrically coupled to the plurality of bus bars of the power assembly, and a plurality of leads that extends from the plurality of cell taps. The lead frame also includes a plurality of removable interconnects that are broken after assembly to electrically isolate the plurality of cell taps from one another and electrically isolate the plurality of leads from one another.
Abstract:
The present disclosure includes a battery module that includes an electrochemical cell having a minor terminal. The battery module also includes a major terminal electrically coupled to the electrochemical cell, wherein the major terminal includes a base and a post extending from the base. Further, the battery module includes an electrical path between the minor terminal of the electrochemical cell and the major terminal of the battery module. The electrical path includes a bus bar having an opening that receives the post of the major terminal and a pocket that retains the base of the major terminal.
Abstract:
The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a recess in a surface of the housing. The present disclosure also includes a bus bar that provides an electrical pathway between the group of electrically interconnected battery cells and the major terminal. The bus bar is disposed within the housing.
Abstract:
An electrochemical cell 44 includes a cell element 120 and a casing configured to receive the cell element 120, the casing having a wall 80 with a first terminal opening 82. The electrochemical cell 44 includes a first terminal 60 having a terminal post 84 extending through the first terminal opening 82 along a longitudinal axis of the terminal post 84, a first gasket 86 extending into an interior of the casing and disposed radially between the terminal post 84 and the wall 80 to electrically insulate the terminal post 84 from the wall 80, a second gasket 88 extending exterior to the casing, positioned axially adjacent to the first gasket 86 with respect to the longitudinal axis, and disposed radially between the terminal post 84 and the wall 80 to electrically insulate the terminal post 84 from the wall 80, and a press ring 90 disposed exterior to the casing and radially between the second gasket 88 and the terminal post 84. The electrochemical cell 44 also includes a second terminal 61.
Abstract:
The present disclosure includes a battery module (20) with a housing (31) having first and second ends (40, 38) and first and second lateral sides (34, 36) between the first and second ends. The battery module includes prismatic electrochemical cells (30) and a cooling duct having first and second segments (100, 102). The first segment (100) extends along the first lateral side (34) of the housing and includes a first opening (106) to the environment. The second segment (102) extends along the second lateral side (36) of the housing and includes a second opening (108) to the environment. The first and second openings (106, 108) are proximate to the second end (38) of the housing. The battery module includes a fan (68) disposed on the first end (40) of the housing. The fan is fluidly coupled to the cooling duct and provides airflow through the first and second openings (106, 108) and along the first and second segments (100, 102).
Abstract:
The present disclosure includes a battery module having a power assembly that includes a plurality of battery cells and a plurality of bus bars that electrically couples a terminal of each of the plurality of battery cells to a terminal of an adjacent battery cell of the plurality of battery cells. The battery module also includes a lead frame that includes a plurality of cell taps respectively electrically coupled to the plurality of bus bars of the power assembly, and a plurality of leads that extends from the plurality of cell taps. The lead frame also includes a plurality of broken interconnects that electrically isolates the plurality of cell taps from one another and electrically isolates the plurality of leads from one another.
Abstract:
The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a recess in a surface of the housing. The present disclosure also includes a bus bar that provides an electrical pathway between the group of electrically interconnected battery cells and the major terminal. The bus bar is disposed within the housing.
Abstract:
The present disclosure includes a battery module that includes an electrochemical cell having a minor terminal. The battery module also includes a major terminal electrically coupled to the electrochemical cell, wherein the major terminal includes a base and a post extending from the base. Further, the battery module includes an electrical path between the minor terminal of the electrochemical cell and the major terminal of the battery module. The electrical path includes a bus bar having an opening that receives the post of the major terminal and a pocket that retains the base of the major terminal.
Abstract:
The present disclosure includes a battery module having a plurality of battery cells disposed in a housing. Each of the plurality of battery cells has a positive terminal, a negative terminal, an overcharge protection assembly, and a casing having an electrically conductive material. The overcharge protection assembly includes a vent, a first spring component, a second spring component, and an insulative component. The first spring component is coupled to the positive terminal, the second spring component is coupled to the negative terminal, the insulative component is between the first spring component and a conductive piece and between the second spring component and the conductive piece, and the vent is configured to drive the insulative component from between the first and second spring components and the conductive piece, such that the first and second spring components contact the conductive piece, when a pressure in the casing exceeds a threshold.