As electrons flow through the external circuit, schematically indicated by reference numeral 26, alkali metal 16 passes through {HEAD ~ electrolyte tube} 14 in {TAIL ~ the form} of cations 
in
As electrons flow through the external circuit , schematically indicated by reference numeral 26 , alkali metal 16 passes through { HEAD ~ electrolyte tube } 14 in { TAIL ~ the form } of cations
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 OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH