Process of manufacturing a battery system assembly using the battery system assembly press

Abstract

A method of manufacturing a battery pack is disclosed. The method includes placing first and second sets of battery cells in first and second battery cell holders of a battery system assembly press, and applying a first and second forces to the first and second sets of battery cells. The method also includes, while applying the first and second forces, placing the first and second plurality of battery cells in a first tray configured to hold the first and second plurality of battery cells.

What is claimed is: 
     
         1 . A method of manufacturing a battery pack, the method comprising:
 placing a first plurality of battery cells in a first battery cell holder of a battery system assembly press;   placing a second plurality of battery cells in a second battery cell holder of the battery system assembly press;   applying a first force to the first plurality of battery cells and a second force to the second plurality of batteries, wherein the first and second forces oppose one another; and   while applying the first and second forces, placing the first and second plurality of battery cells in a first tray configured to hold the first and second plurality of battery cells,   wherein the first force is applied to the first plurality of batteries battery cells through the first battery cell holder, and wherein the second force is applied to the second plurality of battery cells through the second battery cell holder.   
     
     
         2 . The method of  claim 1 , wherein the first and second battery cell holders are separated by a gap there between having a size dependent on the first and second forces. 
     
     
         3 . The method of  claim 1 , wherein the first force is applied to the first battery cell holder with a first slide, and wherein the second force is applied to the second battery cell holder with a second slide. 
     
     
         4 . The method of  claim 3 , wherein the first and second forces cause the first slide and the first battery cell holder to move with respect to the second slide and the second battery cell holder. 
     
     
         5 . The method of  claim 4 , wherein the first and second slides and the first and second battery cell holders are slidably connected with at least one rail, and wherein the first and second forces cause the first slide and the first battery cell holder to slide along the rail. 
     
     
         6 . The method of  claim 1 , wherein the first and second forces cause the first plurality of batteries to move with respect to the second plurality of batteries, such that the size of a gap between the first and second plurality of batteries is reduced. 
     
     
         7 . The method of  claim 1 , further comprising placing the first and second plurality of battery cells in a second tray configured to hold the first and second plurality of battery cells. 
     
     
         8 . The method of  claim 7 , wherein at least one of the first and second trays is configured to apply a force to the first and second plurality of battery cells which causes the first and second plurality of battery cells to be pressed against the first and second trays. 
     
     
         9 . The method of  claim 7 , further comprising removing the first and second pluralities of battery cells from the first and second battery cell holders prior to placing the first and second plurality of battery cells in the second tray. 
     
     
         10 . The method of  claim 7 , further comprising attaching the upper tray to the lower tray. 
     
     
         11 . The method of  claim 7 , further comprising:
 electrically connecting the first plurality of battery cells to at least one first busbar; and   electrically connecting the second plurality of battery cells to at least one second busbar.   
     
     
         12 . A method of manufacturing a battery pack, the method comprising:
 placing a first plurality of battery cells in a first battery cell holder of a battery system assembly press;   placing a second plurality of battery cells in a second battery cell holder of the battery system assembly press;   applying a first force to the first plurality of battery cells and a second force to the second plurality of batteries, wherein the first and second forces oppose one another; and   while applying the first and second forces, placing the first and second plurality of battery cells in a first tray configured to hold the first and second plurality of battery cells,   wherein the first and second forces cause the first plurality of batteries to move with respect to the second plurality of batteries, such that the size of a gap between the first and second plurality of batteries is reduced.   
     
     
         13 . The method of  claim 12 , wherein the gap between the first and second pluralities of battery cells corresponds with a gap between the first and second battery cell holders. 
     
     
         14 . The method of  claim 12 , further comprising placing the first and second plurality of battery cells in a second tray configured to hold the first and second plurality of battery cells. 
     
     
         15 . The method of  claim 12 , wherein at least one of the first and second trays is configured to apply a force to the first and second plurality of battery cells which causes the first and second plurality of battery cells to be pressed toward one another. 
     
     
         16 . The method of  claim 12 , further comprising removing the first and second pluralities of battery cells from the first and second battery cell holders prior to placing the first and second plurality of battery cells in the second tray. 
     
     
         17 . The method of  claim 12 , further comprising attaching the upper tray to the lower tray. 
     
     
         18 . The method of  claim 12 , further comprising:
 electrically connecting the first plurality of battery cells to at least one first busbar; and   electrically connecting the second plurality of battery cells to at least one second busbar.   
     
     
         19 . A method of manufacturing a battery pack, the method comprising:
 placing a first plurality of battery cells in a first battery cell holder of a battery system assembly press;   placing a second plurality of battery cells in a second battery cell holder of the battery system assembly press;   applying a first force to the first plurality of battery cells and a second force to the second plurality of batteries, wherein the first and second forces oppose one another; and   while applying the first and second forces, placing the first and second plurality of battery cells in a first tray configured to hold the first and second plurality of battery cells; and   placing the first and second plurality of battery cells in a second tray configured to hold the first and second plurality of battery cells.   
     
     
         20 . The method of  claim 18 , wherein the first and second forces cause the first plurality of batteries to move with respect to the second plurality of batteries, such that the size of a gap between the first and second plurality of batteries is reduced. 
     
     
         21 . The method of  claim 18 , wherein the first and second forces cause the first plurality of batteries to move with respect to the second plurality of batteries, such that the first and second battery cell holders press against one another.