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本工作是采用K—M正弦波脉冲法,并使用灌有纯钠的β—Al_2O_3瓷管作钠参考电极,对钠硫电池的极化进行了研究,具体地测量出钠硫电池在放电时的总极化以及阳极、阴极的极化情况,从测量出的结果表明钠硫电池的极化主要是电阻极化为主,这电阻极化又主要是由瓷管本身的电阻所造成。浓度极化是很小的,它主要发生在瓷管与硫的接触介面上。
This work is the use of K-M sine wave pulse method, and the use of pure sodium-filled β-Al_2O_3 ceramic tube as the reference electrode of sodium sulfur battery polarization were studied specifically measured sodium-sulfur battery discharge The total polarization and the polarization of the anode and the cathode. The measured results show that the polarization of the sodium-sulfur battery is dominated by the resistance polarization, which is mainly caused by the resistance of the ceramic tube itself. Concentration polarization is very small, it occurs mainly in the porcelain tube and sulfur contact interface.