On the other hand, electrolytic manganese dioxide (EMD) has got wide use in primary battery as cathodic material, studying and improving the rechargeability of EMD accords with the request of building environment-friendly society.

• 电解二氧化锰(EMD)是在一次电池中广泛应用的正极材料,研究和改善其可充电性使之用于二次电池符合现代绿色环保型社会发展的要求。