The present invention pertains to solid composite cathodes which comprise (a) an electroactive sulfur-containing cathode material which, in its oxydized state, comprises a polysulfide moiety of the formula, -S-, wherein m is an integer from 3 to 10; and (b...

The present invention pertains to battery cells comprising: (a) an anode; (b) a composite cathode comprising a mixture of(i) an electroactive sulfur containing cathode material comprising one or more materials selected from the group consisting elemental s...