Patent ID: 8460826
Filing Date: 2013-06-11
Classification: H01M,Y02E,Y02P

Abstract:
1. An electrochemical cell comprising: a AA-sized cylindrical container having an external height of about 50.5 mm and an external diameter of about 14.5 mm; a jellyroll electrode assembly having: i) a separator with a thickness between 16 and 25 microns, ii) an anode consisting essentially of lithium or lithium-based alloy with a thickness of at least 225 microns, iii) a cathode comprising a mix with at least 91 wt. % pyrite coated onto a metallic foil current collector, said mix having a final solids packing between 58% to 70%, a loading of at least 28 mg of mix/cm an electrolyte comprising one lithium-based salt and one or more solvents, said one or more solvents consisting of at least 50 vol. % of one or more ethers based on total volume of the solvents.