The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Enhanced CO2 Methanation Activity of Ni/Anatase Catalyst by Tuning Strong Metal–Support Interactions
Abstract
Strong metal–support interaction (SMSI) has been widely recognized for platinum-group metals on reducible oxide supports. Herein we report that the catalytic activity of Ni catalyst in CO 2 methanation is significantly suppressed over conventional anatase (a-TiO 2 ) support due to the SMSI-induced formation of a titania overlayer around the Ni nanoparticles. Furthermore, CO is the only product . In contrast, the NH 3 -treatment and H 2 -treatment of the a-TiO 2 support enhance remarkably the activity of Ni, i.e., CO 2 conversion increases by 1 order of magnitude and CO 2 is hydrogenated almost exclusively to CH 4 . X-ray photoelectron spectroscopy (XPS), H 2 and CO chemisorption, and low temperature electron paramagnetic resonance (EPR) reveal that the enhanced CO 2 methanation activity may be related with the Ti 3+ species in the bulk that are generated by reduction treatment, which likely have altered the SMSI between Ni and a-TiO 2 support. This simple reduction treatment approach may be applicable to modulate the SMSI of other reducible oxide-supported metal catalysts.
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Cites
The surface science of titanium dioxide
Diebold, U. (2003) · Surface Science Reports · doi:10.1016/s0167-5729(02)00100-0 · Cited by 7,944
Strong metal-support interactions. Group 8 noble metals supported on titanium dioxide
Tauster, S. J., Fung, S. C., & Garten, R. L. (1978) · Journal of the American Chemical Society · doi:10.1021/ja00469a029 · Cited by 3,188
Lackner, K. S. (2003) · Science · doi:10.1126/science.1079033 · Cited by 1,290
Cited by
Strong Metal–Support Interactions between Pt Single Atoms and TiO2
Han, B., Guo, Y., Huang, Y., Xi, W., Xu, J., Luo, J., Qi, H., Ren, Y., Liu, X., Qiao, B., et al. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.202003208 · Cited by 586
Essential Role of the Support for Nickel-Based CO2 Methanation Catalysts
Shen, L., Xu, J., Zhu, M., & Han, Y.-F. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c03471 · Cited by 386
Metadata
- Authors
- Li, J., Lin, Y., Pan, X., Miao, D., Ding, D., Cui, Y., Dong, J., & Bao, X.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-05-31
- Volume
- 9
- Issue
- 7
- Pages
- 6342-6348
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2969051621
- Cited by
- 244
- References
- 3
- FWCI
- 3.87
- Type
- journal article
- Language
- en
- Open access
- closed
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