Patent ID: 8735002
Filing Date: 2014-05-27
Classification: H01M,Y02E

Abstract:
1. An electrochemical cell, comprising: a cathode comprising an electroactive sulfur containing material; an anode comprising lithium; a separator between the anode and the cathode; and a non-aqueous electrolyte comprising about 30 wt % to about 90 wt % one or more non-aqueous solvent, a substantially insoluble nitrogen-containing material in an amount of up to 1 wt %, about 0.1 wt % to about 10 wt % N—O additive, and one or more lithium salts including LiTFSI in an amount of up to 20 wt %, wherein the solubility of the substantially insoluble nitrogen-containing material in the electrolyte is less than 1%.