Patent ID: 8871385

Claim:
An electrode, comprising: a polyphosphazene cyclomatrix configured and formulated for ion intercalation, the polyphosphazene cyclomatrix comprising: a plurality of cyclic phosphazene compounds, each cyclic phosphazene compound of the plurality of cyclic phosphazene compounds comprising: a plurality of phosphorus-nitrogen units, each phosphorus-nitrogen unit bonded to an adjacent phosphorus-nitrogen unit; and at least one pendant group bonded to each phosphorus atom of the plurality of phosphorus-nitrogen units; and a plurality of cross-linkages, each cross-linkage of the plurality of cross-linkages bonding the at least one pendant group of one cyclic phosphazene compound of the plurality of cyclic phosphazene compounds with the at least one pendant group of another cyclic phosphazene compound of the plurality of cyclic phosphazene compounds; and particles within pores of the polyphosphazene cyclomatrix.