Abstract:
Present embodiments include a lithium ion battery module having a lineup of prismatic lithium ion battery cells positioned within a cell receptacle area of a housing of the lithium ion battery module. The prismatic battery cells of the lineup are spaced apart from one another in a spaced arrangement by fixed protrusions extending from internal surfaces of the housing forming the cell receptacle area, and the fixed protrusions extend inwardly to form a plurality of discontinuous slots across a width of the cell receptacle area.
Abstract:
The present disclosure relates to a battery module that includes a housing having a first absorptive material configured to absorb a laser emission, a cover having a second absorptive material configured to absorb the laser emission, and a collar configured coupled to the housing and coupled to the cover via a laser weld. The collar includes a transparent material configured to transmit the laser emission through the collar and toward the housing or the cover.
Abstract:
A system includes a vent housing (40) configured to be installed on a lower housing (44) of a battery module (22) at a first side of the vent housing (40). The vent housing (40) has a main body (62) having an opening (92) on a second side of the vent housing (40) and an internal chamber (90) coupled to the opening (92). The internal chamber (90) includes a first wall (112) having an internal burst vent (100) configured to open at a first pressure threshold and a second wall (114) having a ventilation vent (96) comprising a gas-selective permeability layer (118).
Abstract:
The present disclosure a battery module having electrochemical cells and a bus bar carrier. The bus bar carrier includes a finger having a first surface, a second surface opposite to the first surface and configured to be disposed proximate to a first electrochemical cell of the plurality of electrochemical cells, a thickness extending between the first surface and the second surface, an opening extending through the first surface, through the thickness, and through the second surface, and a cavity disposed adjacent to the opening and exposed through the second surface of the finger. The battery module also includes a lead wire passing through the opening from the first surface of the finger to the second surface of the finger, and a sensor coupled to the lead wire to enable communication between the sensor and the first electrochemical cell, wherein the sensor is disposed in the cavity.
Abstract:
The present disclosure includes a battery module having a stack of electrochemical cells that includes terminals, a housing that receives the stack of electrochemical cells, and a bus bar carrier disposed over the stack of electrochemical cells such that bus bars disposed on the bus bar carrier interface with the terminals of the stack of electrochemical cells. The bus bar carrier includes opposing first and second guide extensions, the stack of electrochemical cells is disposed between the opposing first and second guide extensions, and the opposing first and second guide extensions physically contact a first outer electrochemical cell and a second outer electrochemical cell, respectively, of the stack of electrochemical cells to guide the terminals of the stack of electrochemical cells toward corresponding ones of the bus bars disposed on the bus bar carrier.
Abstract:
The present disclosure includes a battery module having a group of electrically interconnected electrochemical cells, a battery module terminal configured to be coupled to a load for powering the load, and an electrical path extending between the group of electrically interconnected electrochemical cells and the battery module terminal, where the electrical path includes a bus bar bridge. The battery module also includes a housing, where the group of electrically interconnected electrochemical cells is disposed within the housing, and the housing includes a pair of extensions positioned along sides of the bus bar bridge and configured to retain the bus bar bridge and to block movement of the bus bar bridge in at least one direction.
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:
The present disclosure relates to a battery module having a housing and a stack of battery cells disposed in a receptacle area of the housing, where each battery cell has a top having a battery cell terminal and a bottom, where the top of the battery cells face outwardly away from the receptacle area. The battery module includes an integrated sensing and bus bar subassembly positioned against the stack of battery cells and has a carrier, a bus bar integrated onto the carrier, and a biasing member integrated onto the carrier. The bus bar electrically couples battery cells in an electrical arrangement, and the biasing member is between the top of each battery cell and the carrier, where the biasing member has a first material, more compliant than a second material of the carrier, and the biasing member biases the stack of battery cells inwardly toward the housing.
Abstract:
The present disclosure includes a battery module having a first electrochemical cell with a first terminal and a second electrochemical cell having a second terminal. The battery module also includes a bus bar connection electrically connecting the first and second electrochemical cells. The bus bar connection includes a first adapter covering at least a portion of the first terminal of the first electrochemical cell, where the first adapter includes a first recess positioned proximate to the first terminal, and a second adapter covering at least a portion of the second terminal of the second electrochemical cell, where the second adapter includes a second recess positioned proximate to and at least partially aligned with the first recess. Further, the bus bar connection includes a bus bar that spans between the first recess of the first adapter and the second recess of the second adapter to create an electrical path.