Blar i Department of Energy and Petroleum Engineering (TN-IEP) på forfatter "Tucho, Wakshum Mekonnen"
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Bed packing configuration and hot-spot utilization for low-temperature CO2 methanation on monolithic reactor
Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Shen, Qi; Yu, Zhixin (Peer reviewed; Journal article, 2022)The revival of CO2 methanation (Sabatier reaction) as part of the large-scale Power-to-Gas technology has stimulated the development of novel reactor concepts for better heat management due to its exothermic nature. The ... -
Breaking Scaling Relations for Highly Efficient Electroreduction of CO2 to CO on Atomically Dispersed Heteronuclear Dual-Atom Catalyst
Lu, Song; Mazur, Michal; Guo, Kun; Stoian, Dragos Constantin; Gu, Minfen; Tucho, Wakshum Mekonnen; Yu, Zhixin (Peer reviewed; Journal article, 2023)Conversion of CO2 into value-added products by electrocatalysis provides a promising way to mitigate energy and environmental problems. However, it is greatly limited by the scaling relationship between the adsorption ... -
Efficient Electrochemical Reduction of CO2 to CO by Ag-Decorated B-Doped g-C3N4: A Combined Theoretical and Experimental Study
Lu, Song; Zhang, Yang; Mady, Mohamed Fawzy Hamed Attia; Tucho, Wakshum Mekonnen; Lou, Fengliu; Yu, Zhixin (Peer reviewed; Journal article, 2022)Electrochemical CO2 reduction (ECR) has received great attention in energy conversion and CO2 mitigation. In recent years, graphitic carbon nitride (g-C3N4) has been regarded as a very promising support for metal nanoparticles ... -
Enabling Increased Delithiation Rates in Silicon-Based Anodes through Alloying with Phosphorus
Huld, Frederik Thorbjørn; Lai, Samson Yuxiu; Tucho, Wakshum Mekonnen; Batmaz, Rasim; Jensen, Ingvild Julie Thue; Lu, Song; Eleri, Obinna Egwu; Koposov, Alexey; Yu, Zhixin; Lou, Fengliu (Peer reviewed; Journal article, 2022)The capability of battery materials to deliver not only high lithium storage capacity, but also the ability to operate at high charge/discharge rates is an essential property for development of new batteries. In the present ... -
Promoting effect of Fe on supported Ni catalysts in CO2 methanation by in situ DRIFTS and DFT study
Huynh, Huong Lan; Zhu, Jie; Zhang, Guanghui; Shen, Yongli; Tucho, Wakshum Mekonnen; Ding, Yi; Yu, Zhixin (Peer reviewed; Journal article, 2020-12)Bimetallic NiFe catalysts have emerged as a promising alternative to the traditional Ni catalysts for CO2 methanation. However, the promoting effect of Fe on the bimetallic catalysts remains ambiguous. In this study, a ... -
Structured NiFe catalysts derived from in-situ grown layered double hydroxides on ceramic monolith for CO2 methanation
Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Yu, Zhixin (Peer reviewed; Journal article, 2020)Monolithic catalysts for CO2 methanation have become an active research area for the industrial development of Power-to-Gas technology. In this study, we developed a facile and reproducible synthesis strategy for the ... -
Synthetic natural gas production from CO2 and renewable H2: Towards large-scale production of Ni–Fe alloy catalysts for commercialization
Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Yu, Xinhai; Yu, Zhixin (Peer reviewed; Journal article, 2020-08)Synthetic natural gas (SNG) is one of the promising energy carriers for the excessive electricity generated from variable renewable energy sources. SNG production from renewable H2 and CO2 via catalytic CO2 methanation has ... -
Tuning the interfacial sites between copper and metal oxides (Zn, Zr, In) for CO2 hydrogenation to methanol
Stangeland, Kristian; Navarro, Hans Herrera; Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Yu, Zhixin (Peer reviewed; Journal article, 2021)The influence of different metal oxides (ZnO, ZrO2, In2O3) in CO2 hydrogenation to methanol over Cu-based catalysts was studied. The catalysts were characterized using x-ray diffraction (XRD), thermal gravimetric analysis ...