Technical Physics Letters
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Joule losses in metal-film electrodes with non-uniform surface resistance distribution
Emelyanov O. A.
1
1Peter the Great Saint-Petersburg Polytechnic University, St. Petersburg, Russia
Email: oaemel2@gmail.com
Exact solutions for a number of spatially non-uniform profiles of surface resistance, current and heat flux density distribution of Joule losses in metal-film capacitor structures are considered. The ratio of the total power losses for different profiles indicates a significant (2-3 times) decrease in the total heat release power in the case of using sharply decreasing distributions. The obtained effect is very useful in creating modern metal-film capacitors for efficient capacitive energy storage devices. Keywords: metal-film capacitor, nanometer thick electrodes, surface resistance, Joule losses.
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