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100% CO2 to Ch4 conversion achieved with non-precious Co@ZnO catalyst in hot water

06.10.25 | Shanghai Jiao Tong University Journal Center

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100% Conversion of CO2–CH4 with Non-Precious Co@ZnO Catalyst in Hot Water
The combination of solar energy and underground hydrothermal environment supports the sustained and efficient CH4production from CO2.Nanosheets of honeycomb ZnO were formed in-situ on the Co surface, resulting in a new motif (Co@ZnO catalyst) that inhibits Co deactivation through ZnO-assisted CoOx reduction.The stabilized Co and interaction between Co and ZnO inhibited unwanted side reaction pathways via CO production, ensuring formic acid formed as an intermediate, leading to 100% CH4yield. Credit: Yang Yang, Xu Liu, Daoping He, Fangming Ji.

The efficient conversion of carbon dioxide (CO 2 ) into valuable hydrocarbons is a critical step towards sustainable energy solutions. Now, researchers from the School of Environmental Science and Engineering at Shanghai Jiao Tong University, led by Professor Daoping He and Professor Fangming Jin, have developed a novel hydrothermal CO 2 methanation process using a non-precious Co@ZnO catalyst. This innovative approach achieves a remarkable 100% conversion of CO 2 to methane (CH 4 ) under optimized conditions, offering a sustainable and efficient solution for CO 2 utilization.

Why This Research Matters

Innovative Design and Features

Experimental and Practical Validation

Future Outlook

This groundbreaking work presents a simple, sustainable, and highly efficient approach for CO 2 methanation. By using abundant and non-precious metals, this method offers significant potential for practical applications in CO 2 utilization and sustainable energy production. Further research could explore the scalability and integration of this process with renewable energy systems.

Stay tuned for more innovative solutions from Professor Daoping He and Professor Fangming Jin at Shanghai Jiao Tong University!

Nano-Micro Letters

10.1007/s40820-025-01711-6

Experimental study

100% Conversion of CO2–CH4 with Non-Precious Co@ZnO Catalyst in Hot Water

14-Apr-2025

Keywords

Hydrogenation

Article Information

Journal
Nano-Micro Letters
DOI
10.1007/s40820-025-01711-6
Method of Research
Experimental study
Article Publication Date
2025-04-14
Article Title
100% Conversion of CO2–CH4 with Non-Precious Co@ZnO Catalyst in Hot Water

Contact Information

Bowen Li
Shanghai Jiao Tong University Journal Center
qkzx@sjtu.edu.cn

Source

Original Source
https://link.springer.com/article/10.1007/s40820-025-01711-6

How to Cite This Article

APA:
Shanghai Jiao Tong University Journal Center. (2025, June 10). 100% CO2 to Ch4 conversion achieved with non-precious Co@ZnO catalyst in hot water. Brightsurf News. https://www.brightsurf.com/news/LDEOQW68/100-co2-to-ch4-conversion-achieved-with-non-precious-cozno-catalyst-in-hot-water.html
MLA:
"100% CO2 to Ch4 conversion achieved with non-precious Co@ZnO catalyst in hot water." Brightsurf News, Jun. 10 2025, https://www.brightsurf.com/news/LDEOQW68/100-co2-to-ch4-conversion-achieved-with-non-precious-cozno-catalyst-in-hot-water.html.