A rechargeable battery cell includes an anode with {HEAD ~ a major portion} of {TAIL ~ active material}, a cathode including MnO2 doped with bismuth, and a separator between the cathode and anode which substantially prevents bismuth from migrating from the cathode to the anode 
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A rechargeable battery cell includes an anode with { HEAD ~ a major portion } of { TAIL ~ active material } , a cathode including MnO2 doped with bismuth , and a separator between the cathode and anode which substantially prevents bismuth from migrating from the cathode to the anode
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH