Patent ID: 8785044
Filing Date: 2014-07-22
Classification: H01M,Y02E,Y02P

Abstract:
1. An electrochemical cell comprising: a cylindrical housing; a nonaqueous electrolyte including an organic solvent and a spiral wound electrode assembly disposed within the housing; wherein the spiral wound electrode assembly includes an anode consisting essentially of lithium or a lithium alloy and a cathode mix coated onto a foil current collector at a final solids packing percentage of at least 58% and no more than 63%; wherein the cathode mix comprises at least 95 wt. % of pyrite, less than 2 wt. % of a binder and less than or equal to 2 wt. % of conductors; and wherein the conductors include graphite and at least 50 wt. % of acetylene black.