热充电容器与热力学第二定律
Thermo-charged capacitors and the Second Law of Thermodynamics
摘要：
在这封信中，我们描述了一种真空球形电容器，它在室温下利用来自单个热库的热量在其球体之间产生宏观电压。基本思想是平凡的，它利用两个同心的球形电极具有不同的功函数。我们提供了一个数学分析的基本物理过程，并讨论其与热力学第二定律的联系。
英文摘要：
In this Letter we describe a vacuum spherical capacitor that generates a macroscopic voltage between its spheres harnessing the heat from a single thermal reservoir at room temperature. The basic idea is trivial and it makes use of two concentric spherical electrodes with different work functions. We provide a mathematical analysis of the underlying physical process and discuss its connections with the Second Law of Thermodynamics.
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