Catalyst and method for producing hydrogen by proton reduction

EP4770796A1Pending Publication Date: 2026-07-08RENER
0 Cites 0 Cited by

Patent Information

Application Number
EP2024790997
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-10-24
Filing Date
2024-10-18
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Current catalysts for the hydrogen production process, such as those based on noble metals like platinum, are inefficient and costly due to their rarity and high production costs, while alternative non-noble metal catalysts like nickel complexes with thiosemicarbazone ligands suffer from low catalytic activity.

Method used

A nickel complex (LL) involving a bis(thiosemicarbazone) ligand derived from 2,2'-Thénil is used as a catalyst for the hydrogen production process, demonstrating improved catalytic activity with low overvoltage, high faradic efficiency, and stability, while also being simple and inexpensive to synthesize.

Benefits of technology

The nickel complex (LL) exhibits enhanced electro-catalytic activity for the reduction of hydrogen protons, achieving high faradic efficiency and stability, thus overcoming the limitations of existing catalysts and making the hydrogen production process more economically viable.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to a catalyst comprising a nickel(II) complex comprising a bis(thiosemicarbazone) ligand derived from 2,2'-thenil, the nickel(II) complex having the general formula [Chem 6] wherein R1 and R2 each independently represent a phenyl group optionally having one or more identical or different substituents R3, R3 is selected from a halogen, a hydroxy group, a C1-C4 alkyl group, a C1-C4 alkoxy group, a C1-C4 thioalkyl group, a C1-C4 dialkylamino group, a cyano group, a CF3 group and an O-CF3 group.
Need to check novelty before this filing date? Find Prior Art