| abstract |
A secondary battery including a cathode having a primary cathode active material and an alkaline source material selected from the group consisting of Na 2 O, Na 2 O 2 , Na 2 S, NaF, NaCl, NaBr, Li 2 O, Li 2 O 2 , Li 2 S, LiF, LiCl, LiBr, Na 2 O, Na 2 O 2 , Na 2 S, NaF, NaCl, and a mixture of any two or more thereof; an anode having an anode active material; an electrolyte; and a separator. |