Yolk-shell Bi2O3/Bi2O2CO3 heterojunction for enhanced CO2 electroreduction into formate
The integration of nanostructures with compositional optimization is crucial for enhancing their catalytic performance. Herein, a yolk-shell structured catalyst incorporating a Bi2O3/Bi2O2CO3 heterojunction is developed for CO2 electroreduction. This design combines precise nano-structuring with opt...
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| Main Authors: | , , |
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| 其他作者: | |
| 格式: | Article |
| 語言: | English |
| 出版: |
2025
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/183034 |
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| 總結: | The integration of nanostructures with compositional optimization is crucial for enhancing their catalytic performance. Herein, a yolk-shell structured catalyst incorporating a Bi2O3/Bi2O2CO3 heterojunction is developed for CO2 electroreduction. This design combines precise nano-structuring with optimized compositional control, expanding the specific surface area, exposing more highly active catalytic sites, accelerating charge transport and improving mass transfer. As a result, the catalyst exhibits superior catalytic performance with 92.3% formate selectivity and a partial current density of −43.3 mA cm−2 at −1.0 V vs. RHE. The precisely engineered nanostructures and heterojunction composition exhibit a good stability during the catalysis with negligible degradation in the catalytic process. |
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