This is because as more and more CoO is added, {HEAD ~ the percentage} of {TAIL ~ active nickel} hydroxide in the electrode is reduced 
of
This is because as more and more CoO is added , { HEAD ~ the percentage } of { TAIL ~ active nickel } hydroxide in the electrode is reduced
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH