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to prolonged heating. In this over aged state, the precipitates tend to coarsen and accumulate along the grain boundaries, which is potential to decrease the scattering of electrons and attributing......
and cathodic processes of Zn/α-MnO2 battery[150](b), XRD pattern of α-MnO2 electrode discharged to 1 V and charged back to 1.8 V in first cycle(c), cycling performance at C/5 (1C=308 mA·h/g) and elemental......