Method for producing electrode material for aluminum electrolytic capacitors, and electrode material for aluminum electrolytic capacitors
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United States of America Patent
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Sep 18, 2018
Grant Date -
Dec 24, 2015
app pub date -
Jan 15, 2014
filing date -
Jan 18, 2013
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Abstract
The present invention provides a production method that enables easy production of an electrode material for aluminum electrolytic capacitor having a high capacitance, and that enables, in particular, easy production of an electrode material for aluminum electrolytic capacitor having a high capacitance regardless of the average particle diameter (D50) of aluminum powder to be used. Specifically, the present invention provides a method for producing an electrode material for aluminum electrolytic capacitor, comprising the steps of: (1) a first step of forming a film of a paste composition containing powder of at least one of aluminum and an aluminum alloy, a binder resin, and a solvent on at least one surface of a substrate, (2) a second step of sintering the film, and (3) a third step of applying an etching treatment on the sintered film.
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