AIR ELECTRODE CATALYST, AIR ELECTRODE CONTAINING AIR ELECTRODE CATALYST, AND AIR SECONDARY BATTERY CONTAINING AIR ELECTRODE

Title:

AIR ELECTRODE CATALYST, AIR ELECTRODE CONTAINING AIR ELECTRODE CATALYST, AND AIR SECONDARY BATTERY CONTAINING AIR ELECTRODE

Document Type and Number:

Japanese Patent JP2023076130

Kind Code:

A

Abstract:

To provide an air electrode catalyst that can contribute to improvement of cycle life characteristics more than conventional, an air electrode containing this air electrode catalyst, and an air secondary battery containing this air electrode.SOLUTION: A battery 2 includes an electrode group 10 including an air electrode 16 and a negative electrode 12 superimposed via a separator 14, and a container 4 containing the electrode group 10 together with an alkaline electrolyte 82, and the air electrode 16 contains an air electrode catalyst, which is an air electrode catalyst made of a bismuth ruthenium composite oxide containing at least Bi, Ru, and Si, and Si/Bi, which represents the atomic ratio of Si to Bi, is 0.007 or less.SELECTED DRAWING: Figure 1

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Inventors:

INOUE MIKI
KAJIWARA TAKESHI
UNOKI SHOHEI
ENDO TAKAHIRO
YASUOKA SHIGEKAZU
WATABE YOSHIKATSU

Application Number:

JP2021189348A

Publication Date:

June 01, 2023

Filing Date:

November 22, 2021

Export Citation:

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Assignee:

FDK CORP
JAPAN METALS & CHEM CO LTD

International Classes:

B01J23/644; H01M4/90; H01M4/38; H01M4/86; H01M12/08

Attorney, Agent or Firm:

Kanji Nagato

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