ELECTROCHEMICAL CARBON DIOXIDE REDUCTION CATALYST FOR THE PRODUCTION OF FORMIATES
DE602022017433T2Active Publication Date: 2025-07-09COLLEGE DE FRANCE +1
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Patent Information
- Application Number
- DE602022017433
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-09-24
- Filing Date
- 2022-09-21
- Publication Date
- 2025-07-09
- Estimated Expiration
- 2042-09-21
AI Technical Summary
Technical Problem
Existing electrochemical carbon dioxide reduction (CO2R) technologies face challenges in achieving high selectivity and production rate for formate, particularly with cheaper catalysts, and often require high pressures or specific conditions.
Method used
A gas diffusion electrode (GDE) comprising copper nanoparticles functionalized with pyridine-containing ligands, such as 4-mercaptopyridine, is used for carbon dioxide electrolysis, enhancing selectivity and production rate of formate.
Benefits of technology
The GDE achieves a faradaic efficiency of at least 75% and a formate production rate of at least 200 mA/cm², surpassing previous results without the need for high pressures.
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