液态金属电池中的金属垫不稳定性
Metal pad instabilities in liquid metal batteries
摘要：
采用力学类比的方法分析了液态金属电池中磁场、电流和界面变形之间的相互作用。据发现，在充电或放电期间，足够大的电池易于发生两种类型的不稳定性。一种是类似于已知的铝电解槽的金属垫不稳定性。另一种是新的。这与基区电流引起的方位磁场和电解质层厚度局部变化引起的电流扰动所形成的洛伦兹力的失稳效应有关。
英文摘要：
A mechanical analogy is used to analyze the interaction between the magnetic field, electric current and deformation of interfaces in liquid metal batteries. It is found that, during charging or discharging, a sufficiently large battery is prone to instabilities of two types. One is similar to the metal pad instability known for aluminum reduction cells. Another type is new. It is related to the destabilizing effect of the Lorentz force formed by the azimuthal magnetic field induced by the base current and the current perturbations caused by the local variations of the thickness of the electrolyte layer.
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