ammonia in not given addn. of 1.6-3 equival. H2O2 to soln. of 1 equival. MnSO4 at 20 °C, then addn. of 2 equival. NH3 with stirring;; MnO1.8, 1 mol H2O/g-atom Mn;;
sodium sulfate in water Electrochem. Process; MnO2 nanotubes prepd. on Ni foil by cycling the potential for 15 min between 0.4 and 0.1 V (vs SCE, counter electrode: Pt foil)) (scan rate 500 mV/s) at room temp.; rinsed several times with water then dried at 300°C for 1 h in air;
参考文献
Journal of Physical Chemistry B, , vol. 108, # 42 p. 16331 - 16333
