Abstract: A battery module includes a first housing portion and a second housing portion defining a sealed volume. A plurality of electrochemical cells is provided in the volume, each of the plurality of electrochemical cells including a respective vent to enable a release of a gas into the volume when an internal pressure of the respective electrochemical cell reaches a threshold. A ventilation vent is coupled with the housing and in fluid communication with the volume. A burst vent is coupled with the housing and in fluid communication with the volume, the burst vent including a valve having a first valve portion and a second valve portion. The first and second valve portions enable a staged release of vented gases through the burst vent based on incremented thresholds.

Abstract: Present embodiments include a series of lithium battery modules having a plurality of electrochemical cells having different electrical characteristics such as voltages and/or capacities. The battery modules are each constructed using components, architectures, production methods, among other things, in common with each other. The lithium ion battery modules may include a first battery module type having a first capacity and a first voltage, a second battery module type having a second capacity and a second voltage, and, in some embodiments, additional battery module types (e.g., a third battery module type having a third capacity and a third voltage) having different voltages and/or capacities. The lithium ion battery modules may all have the same footprint.

Abstract: A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material.

Abstract: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.

Abstract: A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module.

Abstract: A battery module includes a lower housing and a plurality of battery cells. The plurality of battery cells are electrically coupled together to produce a voltage. The module also includes an assembly disposed over the battery cells and coupled to the lower housing. The assembly may include a lid and a plurality of bus bar interconnects mounted on the lid. The module also includes a printed circuit board (PCB) assembly disposed on and coupled to the assembly. The PCB assembly may include a PCB. The module also includes a cover disposed over and coupled to the lower housing to hermetically seal the battery module. Also disclosed is a method of manufacturing the battery module.

Abstract: A battery module includes a housing including a first interior surface, a second interior surface opposite the first interior surface, and a cell assembly disposed within an interior space of the housing between the first and second interior surfaces. The cell assembly includes a plurality of prismatic battery cells arranged in a cell stack that includes a first end, and a second end opposite the first end. A wall is disposed between the first end of the cell stack and one of the interior surfaces of the housing. The wall includes a first surface in contact with the first end of the cell stack and a second surface opposite the first surface.

Abstract: A battery module comprising a housing, a venting assembly, a plurality of battery cells disposed in the housing, a printed circuit configured to control operations of the battery module, a vent chamber of the venting assembly, and a lid including the venting assembly. Each of the plurality of battery cells comprises a battery cell vent for venting gases from within the corresponding battery cell upward in a direction of the printed circuit. The vent chamber is disposed between the plurality of battery cells and the printed circuit. The vent chamber is configured to direct the gases vented from the battery cell vent toward an opening for venting the gases from the battery module. The lid is disposed over the plurality of battery cells and holds the printed circuit above the plurality of battery cells.

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.

Abstract: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.

Abstract: A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material.

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: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.

Abstract: A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid, wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material.

Abstract: Present embodiments include a series of lithium battery modules having a plurality of electrochemical cells having different electrical characteristics such as voltages and/or capacities. The battery modules are each constructed using components, architectures, production methods, among other things, in common with each other. The lithium ion battery modules may include a first battery module type having a first capacity and a first voltage, a second battery module type having a second capacity and a second voltage, and, in some embodiments, additional battery module types (e.g., a third battery module type having a third capacity and a third voltage) having different voltages and/or capacities. The lithium ion battery modules may all have the same footprint.

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: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.

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.

Abstract: A battery module includes a housing including a first interior surface, a second interior surface opposite the first interior surface, and a cell assembly disposed within an interior space of the housing between the first and second interior surfaces. The cell assembly includes a plurality of prismatic battery cells arranged in a cell stack that includes a first end, and a second end opposite the first end. A wall is disposed between the first end of the cell stack and one of the interior surfaces of the housing. The wall includes a first surface in contact with the first end of the cell stack and a second surface opposite the first surface.

Abstract: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.