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Title:
COMPOSITE OXIDE COATING ELECTRODE FOR ORGANIC POLLUTANT DEGRADATION, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/088398
Kind Code:
A1
Abstract:
Disclosed in the present invention is a composite oxide coating electrode for organic pollutant degradation, composed of a titanium substrate, a titanium tantalum oxide intermediate layer, and an antimony-doped tin oxide active coating. According to the total mass percentage of 100%, the titanium tantalum oxide intermediate layer comprises the following components: 45.77%-85.29% of titanium oxide and 12.71%-54.23% of tantalum oxide. According to the total mass percentage of 100%, the antimony-doped tin oxide active coating comprises the following components: 84.08%-94.65% of tin oxide and 5.35%-15.92% of antimony oxide. The electrode in the present invention is low in cost, remarkably improves the electrocatalytic performance and stability of existing tin oxide coating electrodes, and the technical problems that existing tin oxide coating electrodes have high costs and insufficient electrocatalytic degradation activity and stability are solved.

Inventors:
JIANG YUSI (CN)
TAO JINZHANG (CN)
SHAO CAIRU (CN)
CAO HONGYANG (CN)
Application Number:
PCT/CN2022/132702
Publication Date:
May 25, 2023
Filing Date:
November 18, 2022
Export Citation:
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Assignee:
INST OF RESOURCES UTILIZATION AND RARE EARTH DEVELOPMENT GUANGDONG ACADEMY OF SCIENCES (CN)
International Classes:
B01J23/20; B01J35/10; C02F1/461; C02F101/30
Foreign References:
CN106906472A2017-06-30
US5290415A1994-03-01
JPH02282490A1990-11-20
CN111926309A2020-11-13
CN112795908A2021-05-14
CN102174704A2011-09-07
CN111996515A2020-11-27
EP2765222A12014-08-13
ITMI20041006A12004-08-20
JPS63235493A1988-09-30
US20140224667A12014-08-14
ITMI20111132A12012-12-23
JPH0559580A1993-03-09
Attorney, Agent or Firm:
HCIS INTELECTUAL PROPERTY AGENT LTD. (CN)
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