液态中的见科系数的最小静电理论
A minimal electrostatic theory for the Seebeck coefficient in liquids
AI总结：
本文提出了一种基于溶剂化熵的最小静电理论，用于解释液态中见科系数的微观起源，通过扩展Born方程和温度依赖的介电常数，定量重现了实验观测结果。
摘要：
液态中的见科系数常常达到mV/K的数量级，但其微观起源仍然不清楚，这主要是由于电解质系统的复杂性。在这里，我们提出了一种专注于溶剂化熵的最小静电理论。使用具有温度依赖的介电常数的扩展Born方程，我们定量地重现了实验观测到的量级。该理论阐明了大电荷、小阳离子半径、小介电常数和大dε/dT是增强液态见科响应的关键因素。
英文摘要：
The Seebeck coefficient in liquids often reaches the mV/K range, yet its microscopic origin remains unclear due to the complexity of electrolyte systems. Here we propose a minimal electrostatic theory focusing on solvation entropy. Using a core-shell extension of the Born equation with temperature-dependent dielectric response, we provide an alternative electrostatic interpretation of the mV/K-scale solvent-structuring contribution extracted for a cobalt redox electrolyte. The theory clarifies that large valence, small cationic radius, small dielectric constant, and large magnitude of $\frac{d\varepsilon}{dT}$ are key factors for enhanced liquid Seebeck response.
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