ELECTRODE FOIL FOR ALUMINUM ELECTROLYTIC CAPACITOR AND PRODUCTION METHOD FOR SAME
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United States of America Patent
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Issued Date -
Feb 9, 2017
app pub date -
Dec 17, 2014
filing date -
Dec 27, 2013
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Abstract
The present invention provides an electrode foil for aluminum electrolytic capacitors in which breakage is less likely to occur even when chemical conversion treatment is performed under conditions susceptible to stress such as on a production line, and that can securely provide high capacitance. The electrode foil for aluminum electrolytic capacitors according to the present invention contains a sintered body of at least one aluminum or aluminum alloy powder, and a substrate supporting the sintered body. The substrate is an aluminum foil containing 50 to 20,000 ppm by weight of Mn. Since the electrode foil for aluminum electrolytic capacitors contains an aluminum foil containing a predetermined amount of Mn as a substrate, breakage is less likely to occur even when chemical conversion treatment is performed.
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