FINE CATALYST PARTICLES AND METHOD FOR PRODUCING FINE CATALYST PARTICLES

Title:

FINE CATALYST PARTICLES AND METHOD FOR PRODUCING FINE CATALYST PARTICLES

Document Type and Number:

WIPO Patent Application WO/2012/011170

Kind Code:

A1

Abstract:

Provided are: fine catalyst particles having high catalytic activity; and a method for producing fine catalyst particles. Specifically provided are fine catalyst particles, each of which comprises a center particle that contains a palladium alloy and an outermost layer that contains platinum. The fine catalyst particles are characterized by comprising an intermediate layer between the center particle and the outermost layer, said intermediate layer being composed only of elemental palladium.

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Inventors:

ARAI, Tatsuya (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
新井　竜哉 (〒71 愛知県豊田市トヨタ町１番地　トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKEHIRO, Naoki (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
竹広　直樹 (〒71 愛知県豊田市トヨタ町１番地　トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
SEKIZAWA, Koshi (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)

Application Number:

JP2010/062263

Publication Date:

January 26, 2012

Filing Date:

July 21, 2010

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Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
ARAI, Tatsuya (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
新井　竜哉 (〒71 愛知県豊田市トヨタ町１番地　トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
TAKEHIRO, Naoki (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
竹広　直樹 (〒71 愛知県豊田市トヨタ町１番地　トヨタ自動車株式会社内 Aichi, 〒4718571, JP)

International Classes:

B01J23/89; B01J33/00; B01J35/08; H01M4/88; H01M4/90

Attorney, Agent or Firm:

KISHIMOTO, Tatsuhito et al. (3rd Floor Oak Building Kyobashi, 16-10, Kyobashi 1-chome, Chuou-k, Tokyo 31, 〒1040031, JP)

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Claims:

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