Mesoscopic numerical computation model of air-diffusion electrode of metal/air batteries |
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Authors: | Xiao-yi Liu Xian-zhi Xu |
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Institution: | Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, P. R. China |
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Abstract: | This work creates a droplet battery model based on the electrolyte performance in the porous electrode, studies the current density on the mesoscopic scale, and explains how the mesoscopic structure of the porous electrode influences the current density on the air-diffusion electrode. Near the three-phase line, there is a strong band containing nearly 80% current. For porous electrodes, the total current is proportional to the length of the strong band. Thus, it can be inferred that on the macroscopic scale, the longer the total length of the strong band on unit area is, the larger the current density is. |
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Keywords: | droplet battery metal/air battery air-diffusion electrode mesoscopic computation strong band three-phase line |
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