ELECTROCHEMICAL STACK, CELL PACK, AND METHODS OF USING ELECTROCHEMICAL STACK AND CELL PACK

The present disclosure concerns rechargeable batteries (i.e., secondary batteries) having large form factors that include cathode active materials such as, but not limited to, lithium iron phosphate (LFP) active material, lithium manganese iron phosphate (LMFP) active material, or a combination thereof. Also disclosed herein are methods of using the same and processes for making the same.