Solid state battery variable pressure optimization system

Abstract

Various variable planar pouch battery pressure optimization systems are presented. The system may include a first and second plate, between which a planar pouch battery cell is installed. Multiple pressure application components may be individually controlled to apply varying pressure to the first and second plate. Various pressure patterns may be tested in order to determine a pressure pattern that optimizes at least one electrical characteristic of the planar pouch battery cell.

1 . (canceled) 
     
     
         2 . A variable planar pouch battery pressure system, comprising:
 a first plate having a first side and a second side, wherein the first side of the first plate is opposite from the second side of the first plate;   a second plate having a first side and a second side, wherein:
 the first side of the second plate is opposite from the second side of the second plate; and 
 one or more planar pouch battery cells are configured to be installed between the second side of the first plate and the second side of the second plate; and 
   a plurality of pressure application components arranged in a two-dimensional pattern.   
     
     
         3 . The variable planar pouch battery pressure system of  claim 2 , further wherein the plurality of pressure application components are arranged in a grid pattern. 
     
     
         4 . The variable planar pouch battery pressure system of  claim 3 , wherein each row of the grid pattern is offset from an adjacent row of the grid pattern. 
     
     
         5 . The variable planar pouch battery pressure system of  claim 2 , wherein each pressure application component of the plurality of pressure application components touch an adjacent pressure application component of the plurality of pressure application components. 
     
     
         6 . The variable planar pouch battery pressure system of  claim 2 , wherein each pressure application component of the plurality of pressure application components has a circular cross section. 
     
     
         7 . The variable planar pouch battery pressure system of  claim 2 , wherein each pressure application component of the plurality of pressure application components is cuboid. 
     
     
         8 . The variable planar pouch battery pressure system of  claim 2 , further comprising:
 a pressure generator that individually controls an amount of pressure applied by each of the pressure application components of the plurality of pressure application components to the first side of the first plate and the first side of the second plate.   
     
     
         9 . The variable planar pouch battery pressure system of  claim 8 , further comprising:
 a processing system in communication with the pressure generator; and   an electrical characteristic sensor.   
     
     
         10 . The variable planar pouch battery pressure system of  claim 9 , wherein the electrical characteristic sensor measures resistance. 
     
     
         11 . The variable planar pouch battery pressure system of  claim 9 , further comprising:
 a measurement result datastore stored on a non-transitory processor-readable medium, wherein the processing system receives electrical characteristic measurements from the electrical characteristic sensor of the one or more planar pouch battery cells and records corresponding data to the measurement result datastore.   
     
     
         12 . The variable planar pouch battery pressure system of  claim 11 , wherein the corresponding data indicates: a measurement of the one or more characteristics; and an indication of an amount of pressure applied by each pressure application component of the plurality of pressure application components. 
     
     
         13 . The variable planar pouch battery pressure system of  claim 9 , wherein the processing system is further configured to cause the pressure generator to apply a series of pressure patterns by altering an amount of pressure applied by each of the pressure application components of the plurality of pressure application components. 
     
     
         14 . The variable planar pouch battery pressure system of  claim 13 , wherein the series of pressure patterns is a series of random pressure patterns. 
     
     
         15 . The variable planar pouch battery pressure system of  claim 8 , further comprising: wherein the pressure generator uses hydraulics to control the amount of pressure applied by each of the pressure application components of the plurality of pressure application components. 
     
     
         16 . The variable planar pouch battery pressure system of  claim 2 , further comprising: the one or more planar pouch battery cells, wherein each of the one or more planar pouch battery cells are solid state battery cells. 
     
     
         17 . A method for adjusting pressure applied to a plurality of planar pouch battery cells, the method comprising:
 installing the plurality of planar pouch battery cells between a first plate and a second plate; and   applying a plurality of pressure patterns to the first plate and the second plate such that the pressure patterns are applied to the plurality of planar pouch battery cells by the first plate and the second plate, wherein:
 each pressure pattern of the plurality of pressure patterns is applied by a plurality of pressure application components; 
 an amount of pressure applied by each of the plurality of pressure application components is individually controlled; 
 the plurality of pressure application components are arranged in a two-dimensional pattern; 
 a first set of the plurality of pressure application components of the plurality of pressure application components press against the first plate; and 
 a second set of the plurality of pressure application components of the plurality of pressure application components press against the second plate. 
   
     
     
         18 . The method of  claim 17 , further wherein the plurality of pressure application components are arranged in a grid pattern. 
     
     
         19 . The method of  claim 18 , wherein each row of the grid pattern is offset from an adjacent row of the grid pattern. 
     
     
         20 . The method of  claim 17 , further comprising determining a pressure pattern of the plurality of pressure patterns that optimizes performance of the plurality of planar pouch battery cells. 
     
     
         21 . The method of  claim 20 , wherein each pressure pattern of the plurality of pressure patterns are random pressure patterns.