Patent ID: 7615317

Claim:
A rechargeable lithium-ion cell comprising: (a) a positive electrode having a recharged potential; (b) a negative electrode; (c) a charge-carrying electrolyte comprising a charge carrying medium and a lithium salt; and (d) a cyclable redox chemical shuttle comprising a cycloaliphatic N-oxide compound dissolved in the electrolyte and having an oxidation potential above the recharged potential of the positive electrode, wherein the positive electrode is selected from LiCoPO 4 , LiFePO 4 , Li 2 FeS 2 , Li 2 FeSiO 4 , LiMnPO 4 , LiNiPO 4 , LiVOPO 4 F, Li 3 V 2 (PO 4 ) 3 , and combinations thereof.