Method for generating oxygen and water electrolysis device

US20150197866A1Inactive Publication Date: 2015-07-16PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Publication Date
2015-07-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides a method for efficiently generating oxygen by electrolyzing water using a copper delafossite compound as an anode. First, in the present invention, a water electrolysis device is prepared. The water electrolysis device comprises a container, a power supply, an anode, a cathode; and an aqueous electrolytic solution. The anode and the cathode are in contact with the aqueous electrolytic solution. The anode has a copper cobalt delafossite compound represented by a chemical formula CuCoO2. The copper cobalt delafossite compound is in contact with the aqueous electrolytic solution. Then, an electric potential difference is applied between the cathode and the anode using the power supply to generate oxygen on the anode due to electrolysis of water which occurs on the copper cobalt delafossite compound.
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Description

BACKGROUND

[0001] 1. Field of the Invention

[0002] The present invention relates to a method for generating oxygen and a water electrolysis device.

[0003] 2. Description of the Related Art

[0004] Great Britain Patent Publication No. 1400948B discloses a method for generating chlorine by electrolyzing sodium chloride using an anode having a delafossite compound represented by a chemical formula ABO2 (where A represents platinum, palladium, silver, or cobalt, and B represents chromium, iron, cobalt, rhodium, aluminum, gadolinium, scandium, indium, thallium, lead, ruthenium, or lanthanide) on the surface thereof. However, Great Britain Patent Publication No. 1400948B is silent about a method for generating oxygen.SUMMARY

[0005] The present invention provides a method for generating oxygen, the method comprising:

[0006] (a) preparing a water electrolysis device comprising:

[0007] a container;

[0008] a power supply;

[0009] an anode;

[0010] a cathode, and

[0011] an electrolyte aqueous solution; wherein

[0012] th...

Claims

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