Journal ArticleDOI
Design of Interfacial Sites between Cu and Amorphous ZrO2 Dedicated to CO2-to-Methanol Hydrogenation
Shohei Tada,Shingo Kayamori,Tetsuo Honma,Hiromu Kamei,Akane Nariyuki,Kenichi Kon,Takashi Toyao,Takashi Toyao,Ken-ichi Shimizu,Ken-ichi Shimizu,Shigeo Satokawa +10 more
TLDR
In this paper, the formation mechanism of active sites on Cu/ZrO2 specific toward CO2-to-methanol hydrogenation was examined, and the authors concluded that the selective synthesis of CuaZr1-aOb, especially amorphous CuZr 1-aO2, is a key feature of the catalyst preparation.Abstract:
We examined the formation mechanism of active sites on Cu/ZrO2 specific toward CO2-to-methanol hydrogenation The active sites on Cu/a-ZrO2 (a-: amorphous) were more suitable for CO2-to-methanol hydrogenation than those on Cu/t-ZrO2 (t-: tetragonal) and Cu/m-ZrO2 (m-: monoclinic) When a-ZrO2 was impregnated with a Cu(NO3)2·3H2O solution and then calcined under air, most of the Cu species entered a-ZrO2, leading to the formation of a Cu–Zr mixed oxide (CuaZr1-aOb) The H2 reduction of the thus-formed CuaZr1-aOb led to the formation of Cu nanoparticles on a-ZrO2, which can be dedicated to CO2-to-methanol hydrogenation We concluded that the selective synthesis of CuaZr1-aOb, especially amorphous CuaZr1-aOb, is a key feature of the catalyst preparation The preparation conditions of the amorphous CuaZr1-aOb specific toward CO2-to-methanol hydrogenation is as follows: (i) Cu(NO3)2·3H2O/a-ZrO2 is calcined at low temperature (350 °C in this study) and (ii) the Cu loading is low (6 and 8 wt % in this study) Viread more
Citations
More filters
Journal ArticleDOI
Recent Advances in Carbon Dioxide Hydrogenation to Methanol via Heterogeneous Catalysis.
TL;DR: A comprehensive overview of the recent advances in energy-efficient CO2 conversion, especially focusing on structure-activity relationship, is provided as well as the importance of combining catalytic measurements, in situ characterization, and theoretical studies in understanding reaction mechanisms and identifying key descriptors for designing improved catalysts.
Journal ArticleDOI
CO2 Hydrogenation to Methanol over ZrO2-Containing Catalysts: Insights into ZrO2 Induced Synergy
TL;DR: In this paper, the authors proposed a promising pathway for reducing anthropogenic CO2 emissions using catalytic hydrogenation of CO2 with renewable H2 to methanol, and showed that catalysts play a key role in enhancing both the hydrogenation and the methanolic conversion.
Journal ArticleDOI
Recycling Carbon Dioxide through Catalytic Hydrogenation: Recent Key Developments and Perspectives
TL;DR: In this paper, the authors propose to reuse CO2 as a renewable carbon source for the production of high-value fuels and chemicals, which is a promising method to mitigate climate change and lessen depende...
Journal ArticleDOI
Inverse ZrO2/Cu as a highly efficient methanol synthesis catalyst from CO2 hydrogenation
Congyi Wu,Lili Lin,Lili Lin,Lili Lin,Jinjia Liu,Jingpeng Zhang,Feng Zhang,Tong Zhou,Ning Rui,Siyu Yao,Yuchen Deng,Feng Yang,Wenqian Xu,Jun Luo,Yue Zhao,Binhang Yan,Xiaodong Wen,José A. Rodriguez,José A. Rodriguez,Ding Ma +19 more
TL;DR: In inverse ZrO2/Cu catalysts with a tunable Zr/Cu ratio have been prepared via an oxalate co-precipitation method, showing excellent performance for CO2 hydrogenation to methanol.
Journal ArticleDOI
CO2 hydrogenation to methanol over Cu/CeO2 and Cu/ZrO2 catalysts: Tuning methanol selectivity via metal-support interaction
TL;DR: In this article, the authors used in-situ diffuse reflectance infrared Fourier transform spectroscopy (IN-Situ DRIFTS) to compare the performance of two types of catalysts for CO2 hydrogenation to methanol.
References
More filters
Journal ArticleDOI
ATHENA, ARTEMIS, HEPHAESTUS: data analysis for X-ray absorption spectroscopy using IFEFFIT.
Bruce Ravel,Matthew Newville +1 more
TL;DR: A software package for the analysis of X-ray absorption spectroscopy (XAS) data is presented, based on the IFEFFIT library of numerical and XAS algorithms and is written in the Perl programming language using the Perl/Tk graphics toolkit.
Journal ArticleDOI
The Active Site of Methanol Synthesis over Cu/ZnO/Al2O3 Industrial Catalysts
Malte Behrens,Felix Studt,Igor Kasatkin,Stefanie Kühl,Michael Hävecker,Frank Abild-Pedersen,Stefan Zander,Frank Girgsdies,Patrick Kurr,Benjamin-Louis Kniep,Michael Tovar,Richard W. Fischer,Jens K. Nørskov,Jens K. Nørskov,Robert Schlögl +14 more
TL;DR: This work shows how to identify the crucial atomic structure motif for the industrial Cu/ZnO/Al2O3 methanol synthesis catalyst by using a combination of experimental evidence from bulk, surface-sensitive, and imaging methods collected on real high-performance catalytic systems in combination with density functional theory calculations.
Journal ArticleDOI
The Tetragonal-Monoclinic Transformation in Zirconia: Lessons Learned and Future Trends
TL;DR: In this article, it is shown that many of these attractive features of zirconia, especially fracture toughness and strength, are compromised after prolonged exposure to water vapor at intermediate temperatures (∼30°-300°C).
Journal ArticleDOI
Active sites for CO2 hydrogenation to methanol on Cu/ZnO catalysts
Shyam Kattel,Pedro J. Ramírez,Jingguang G. Chen,Jingguang G. Chen,José A. Rodriguez,José A. Rodriguez,Ping Liu,Ping Liu +7 more
TL;DR: A direct comparison between the activity of ZnCu and ZnO/Cu model catalysts for methanol synthesis is reported, highlighting a synergy of Cu andZnO at the interface that facilitates methenol synthesis via formate intermediates.
Journal ArticleDOI
Highly active copper-ceria and copper-ceria-titania catalysts for methanol synthesis from co2
Jesús Graciani,Kumudu Mudiyanselage,Fang Xu,Ashleigh E. Baber,Jaime Evans,Sanjaya D. Senanayake,Dario Stacchiola,Ping Liu,Jan Hrbek,Javier Fernández Sanz,José A. Rodriguez +10 more
TL;DR: Experimental and theoretical evidence is presented for a completely different type of site for CO2 activation: a copper-ceria interface that is highly efficient for the synthesis of methanol.