Abstract：The operating temperature and applied magnetic field have important influence on electrochemical system. In this paper, a semi-cell system is used to simulate the working state of liquid metal batteries. The effects of temperature and external magnetic field on the polarization reaction of batteries are studied. It is found that the higher the temperature, the more intense the polarization reaction. The polarization current response increases with the increase of external magnetic field disturbance. The larger the polarization current is, the greater the influence of external magnetic field disturbance on the polarization current is. Considering the working environment of liquid metal battery system, the results have certain reference significance for its long-term stable operation.
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