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Can a superconductor charge a battery?
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DOI：10.1016/j.physc.2025.1354823.png)
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Abstract
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To charge a battery it is necessary to know the difference between positive and negative charges. We argue that a superconductor described by the conventional theory of superconductivity does not know the difference between positive and negative charges, therefore it cannot charge a battery. Instead, a superconductor described by the theory of hole superconductivity can. We argue that existing experiments can be interpreted to imply that real superconductors can charge batteries, which undermines the credibility of the conventional theory. We propose a new experiment that can establish whether or not real superconductors are described by the alternative theory of hole superconductivity.
Keywords:
Charge asymmetry
Internal electric field
Battery
Carnot cycle
Electron-hole asymmetry
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