WO2025114700 - PROCESS FOR MANUFACTURING SUPPORTED IRIDIUM OXYGEN EVOLUTION REACTION CATALYST, A PRODUCT THEREOF AND ITS USE
National phase entry is expected:
Publication Number
WO/2025/114700
Publication Date
05.06.2025
International Application No.
PCT/GB2024/052977
International Filing Date
27.11.2024
Title **
[English]
PROCESS FOR MANUFACTURING SUPPORTED IRIDIUM OXYGEN EVOLUTION REACTION CATALYST, A PRODUCT THEREOF AND ITS USE
[French]
PROCÉDÉ DE FABRICATION D'UN CATALYSEUR DE RÉACTION D'ÉVOLUTION DE L'OXYGÈNE À BASE D'IRIDIUM SUPPORTÉ, PRODUIT ASSOCIÉ ET SON UTILISATION
Applicants **
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
Inventors
LUISMAN, Luke Alan
STEVENS, James George
Priority Data
2318307.2
30.11.2023
GB
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2308 | |
| EPO | Filing, Examination, Granting | 13218 | |
| Japan | Filing, Examination, Granting | 2495 | |
| South Korea | Filing, Examination, Granting | 2619 | |
| USA | Filing, Examination, Granting | 5740 |
Total:
26,380
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Abstract[English]
A process for preparing an oxygen evolution reaction (OER) catalyst comprises an oxygenated iridium component supported on a particulate solid support, which process comprising the steps of: (i) forming an aqueous mixture comprising a particulate solid support and a solution of a halide-free metal iridate; (ii) reducing the pH of the aqueous mixture to ≤ 5.0 to precipitate an oxygenated iridium component onto the particulate solid support; and (iii) isolating the product of step (ii).[French]
L'invention concerne un procédé de préparation d'un catalyseur de réaction d'évolution de l'oxygène (OER) qui comprend un composant d'iridium oxygéné supporté sur un support solide particulaire, ledit procédé comprenant les étapes consistant : (i) à former un mélange aqueux comprenant un support solide particulaire et une solution d'un iridate métallique exempt d'halogénure ; (ii) à réduire le pH du mélange aqueux à ≤ 5,0 pour précipiter un composant d'iridium oxygéné sur le support solide particulaire ; et (iii) à isoler le produit de l'étape (ii).