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采用原位拉曼光谱分析法可以确定氧化锰在伏安循环期间所发生的反应，辨认氧化物的主要困难是获得有关的拉曼基准光谱，因为有许多可能的化合物，而且其中有些在激光束中不稳定，因此我们仔细地研究了几种不同的四价、三价和二价氧化锰及氧合氢氧化物，然后比较了３种氧化锰的电色特性，其中２种氧化锰是利用热氧化法制成的，另一种是用电化学沉积法制成的。为了获得可逆的电色效应，原料必须有非化学计量性。在电色循环期间发生的反应较复杂，不仅仅是简单地由ＭｎＯ＿２过渡到ＭｎＯＨ。
The in situ Raman spectroscopy can be used to determine the reaction that occurs during the voltammetric cycle of manganese oxide. The main difficulty in identifying oxides is obtaining the relevant Raman reference spectrum because of the many possible compounds and some of them in the laser beam We have carefully studied several different tetravalent, trivalent and divalent manganese oxides and oxyhydroxides and then compared the electrochromic properties of the three manganese oxides, two of which are utilized Thermal oxidation method is made, the other is made by electrochemical deposition method. In order to obtain a reversible electrochromic effect, the starting material must be non-stoichiometric. The reaction that takes place during the electrochromic cycle is more complicated, than simply the transition from MnO2 to MnOH.