The encapsulant layer is formed from a material which, upon oxidation during processing or during charging of the electrode, is convertible to {HEAD ~ an electrically conductive form}, and which, upon discharge of the electrode, does not revert to {TAIL ~ its previous form} 
The encapsulant layer is formed from a material which , upon oxidation during processing or during charging of the electrode , is convertible to { HEAD ~ an electrically conductive form } , and which , upon discharge of the electrode , does not revert to { TAIL ~ its previous form }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL