Harmonizing Nanoparticle Exsolution From Ce–Sm Oxide Matrix for Stable Methane Dry Reforming
Catalyst deactivation hinders the application of high-temperature catalysis such as methane dry reforming, where nanoparticle exsolution will likely clear the path. However, the harsh reaction conditions often easily unbalance the exsolution degree, leading to either sintering or insufficient exsolution of metal nanoparticles. Here, we achieve the fabrication of highly dispersed yet exposed Rh nanoparticles exsolved from the Ce-Sm oxide matrix. Starting from examining the metal-support interaction of Rh-CeO<sub>2</sub> and Rh-Sm<sub>2</sub>O<sub>3</sub>, the exsolution dynamics of Rh nanoparticles are studied via multiple in situ techniques. Rapid exsolution from CeO<sub>2</sub> induces Rh sintering and catalytic deactivation, whereas sluggish exsolution from Sm<sub>2</sub>O<sub>3</sub> results in Rh encapsulation with poor activity. The balanced metal-support interaction harmonizes the exsolution of Rh nanoparticles from the Ce-Sm oxide matrix, fabricating an antisintering and coke-resistant catalyst for methane dry reforming. This work provides insights into the development of catalysts with structural robustness, where the essence lies in the engineering of nanoparticle exsolution.
Authors
- Chao Ma (ORCID: https://orcid.org/0000-0001-6728-4114)
- Ruyang Wang (ORCID: https://orcid.org/0009-0000-1823-6298)
- Jing Tao (ORCID: https://orcid.org/0000-0002-9746-4391)
- Shiming Zhou (ORCID: https://orcid.org/0000-0002-1597-6060)
- Sunpei Hu
- Xinhua Gao (ORCID: https://orcid.org/0000-0003-1368-1901)
- Han Yan (ORCID: https://orcid.org/0000-0001-8293-1543)
- Stone D.‐H. Shi (ORCID: https://orcid.org/0000-0001-8723-830X)
- Jie Zeng (ORCID: https://orcid.org/0000-0002-8812-0298)
- Yuanbin Qin (ORCID: https://orcid.org/0000-0003-3349-9787)
- Hui Zhang (ORCID: https://orcid.org/0000-0002-1719-4345)
- Zhen Wang (ORCID: https://orcid.org/0009-0008-5083-1853)
- Lijun Zhang (ORCID: https://orcid.org/0000-0002-6438-5486)
- Tao Zhou (ORCID: https://orcid.org/0000-0002-4672-1909)
- Zizhen Xiao
- Qingxiang Ma (ORCID: https://orcid.org/0000-0002-7329-1756)
- Yongjie Ye (ORCID: https://orcid.org/0009-0000-0093-7993)
- Haofan Lei
- Zhi Liu (ORCID: https://orcid.org/0000-0002-1023-7939)
Institutions
- University of Science and Technology of China (CN)
- Hunan University (CN)
- Chinese Academy of Sciences (CN)
- Ningxia University (CN)
- Hefei Institutes of Physical Science (CN)
- ShanghaiTech University (CN)
- Hefei National Center for Physical Sciences at Nanoscale (CN)
- Shanghai Advanced Research Institute (CN)
- Shanghai Institute of Applied Physics (CN)
- Shanghai Institute of Microsystem and Information Technology (CN)
- National Synchrotron Radiation Laboratory (CN)
- Xi'an Jiaotong University (CN)
- Anhui University of Technology (CN)
Publication Details
- Journal
- Angewandte Chemie International Edition
- Published
- 2025-05-22
- DOI
- https://doi.org/10.1002/anie.202503997
- Citations
- 16
- Primary Topic
- Catalytic Processes in Materials Science
- Type
- article
- Field-Weighted Citation Impact
- 8.28
Funders
- Salt Science Research Foundation
- Tencent
- National Natural Science Foundation of China
- Chinese Academy of Sciences
- University of Science and Technology of China
- State Key Laboratory of Catalysis
- National Synchrotron Radiation Laboratory
- Yulin University
- Natural Science Foundation of Anhui Province
- Hefei Science Center, Chinese Academy of Sciences
- National Key Research and Development Program of China
- Fundamental Research Funds for the Central Universities
- National Science Fund for Distinguished Young Scholars
- Dalian National Laboratory for Clean Energy