CAPACITOR AND PROCESS FOR PRODUCING SAME - SUMITOMO ELECTRIC INDUSTRIES, LTD.

Title:

CAPACITOR AND PROCESS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2011/152304

Kind Code:

A1

Abstract:

Disclosed is a capacitor (100) equipped with a positive electrode (10), a negative electrode (20), and a solid electrolyte layer (30) disposed between these electrode layers (10) and (20). At least one of the electrode layers (10) and (20) comprises porous Al (11) and an electrode material (12 or 13) which is held by the porous Al (11) and which polarizes the electrolyte. The porous Al (11) has a surface oxygen amount of 3.1 mass% or less. That the porous Al (11) has a surface oxygen amount of 3.1 mass% or less is equal to that substantially no oxide film having high resistance has been formed on the surface of the porous Al (11). Due to this porous Al (11), the electrode layer (10 or 20) can have an increased current collection area and, hence, the capacitor (100) can have an improved capacity.

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Inventors:

OTA, Nobuhiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
太田　進啓 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
HOSOE, Akihisa (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
細江　晃久 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
MAJIMA, Masatoshi (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
真嶋　正利 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NITTA, Koji (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
新田　耕司 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
AWAZU, Tomoyuki (1-1, Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)

Application Number:

JP2011/062200

Publication Date:

December 08, 2011

Filing Date:

May 27, 2011

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
住友電気工業株式会社 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 Osaka, 〒5410041, JP)
OTA, Nobuhiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
太田　進啓 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
HOSOE, Akihisa (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
細江　晃久 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
MAJIMA, Masatoshi (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
真嶋　正利 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NITTA, Koji (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
新田　耕司 (〒24 大阪府大阪市此花区島屋一丁目１番３号　住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)

International Classes:

H01G9/016; H01G9/058

Attorney, Agent or Firm:

YAMANO, Hiroshi (KEIMEI PATENT OFFICE, 10F ASTRO Shin Osaka 2 Bldg., 1-3, Nishinakajima 6-chome, Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)

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