Abstract:
The present disclosure relates to bonding or sealing metal parts to the polymer packaging of certain battery modules. The present disclosure includes a battery module having a polymer packaging with an interior and exterior and a plurality of battery cells disposed within the interior of the polymer packaging. The battery module includes a metal part that extends from the interior to the exterior of the polymer packaging and is in thermal or electrical contact with at least a portion of the plurality of battery cells. The metal part includes a bonding surface that is secured to an overmolded portion of the polymer packaging, wherein the bonding surface has a microsurface roughness that hermetically seals the bonding surface of the metal part to the overmolded portion of the polymer packaging.
Abstract:
A battery module includes a housing configured to receive a plurality of electrochemical cells, a skeletal frame coupled with the housing, and a framework disposed proximate to the skeletal frame. Moreover, the framework is substantially aligned with the skeletal frame and configured to transfer a force applied to the framework to the skeletal frame.
Abstract:
The present disclosure includes a battery module having lithium-ion (Li-ion) electrochemical cells disposed in a row and expansion accommodating elements. Each expansion accommodating element is configured to accommodate swelling of one or more Li-ion electrochemical cell such that a footprint of the row of Li-ion electrochemical cells is substantially constant during operation of the battery module. The battery module also includes a plastic housing having a main body configured to receive the Li-ion electrochemical cells, and a cover heat sealed to a surface of the main body.
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 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.
Abstract:
A battery module includes a housing having an opening and a plurality of electrochemical cells disposed in the housing. The plurality of electrochemical cells have electrode terminals. The battery module also includes a carrier defined by an outside boundary and coupled to the plurality of electrochemical cells. The outside boundary of the carrier and the housing are in a nested arrangement. The battery module also includes a bus bar assembly disposed on the carrier, the bus bar assembly includes bus bars that electrically couple the electrode terminal of one of the plurality of electrochemical cells to a respective electrode terminal of another one of the plurality of electrochemical cells.
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 container for a battery is disclosed. The container includes first and second side walls coupled to end walls and a base forming a recess. The side walls and end walls each have an edge. A container intercell partition wall is provided in the recess and has a segment which extends above the edge of any one or more of the first side wall, second side wall, and end walls. A cover is also provided having a cover intercell partition wall with a recessed area which accommodates the extended segment of the container intercell partition wall. The cover intercell partition wall may be coupled to the container intercell partition wall by a heat seal. A method of assembling a battery container is also disclosed.