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