Accordingly, use of a polymer electrolyte in {HEAD ~ place} of {TAIL ~ the liquid} electrolyte to attain an enhancement of reliability is being studied 
of
Accordingly , use of a polymer electrolyte in { HEAD ~ place } of { TAIL ~ the liquid } electrolyte to attain an enhancement of reliability is being studied
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH