A numerical method of calculating secondary current distributions in electrochemical cells |
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Authors: | Akira Katagiri Yoshinori Miyazaki |
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Affiliation: | (1) College of Liberal Arts, Kyoto University, Sakyo-ku, 606 Kyoto, Japan;(2) Fuel Cell Section, Goverment Industrial Research Institute, Osaka, Ikeda-shi, 563 Osaka, Japan |
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Abstract: | A numerical method is proposed based on the analogy between the potential distribution in an electrolytic solution and the temperature distribution in a heat-conducting medium. Thus the equation of non-steady-state heat conduction which contains a hypothetical temperaturev(x, y, t) is solved numerically with appropriate boundary conditions. In the steady state the distribution ofv(x, y, t) corresponds to the distribution of potentialφ s (x,y) which satisfies Laplace's equation. The method is useful not only for conventional electrochemical cells but also for complicated systems such as a bipolar electrode for which boundary conditions provide neither the potential nor the current density at the electrode surface. |
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