Browsing NTNU Open by Author "Chen, De"
Now showing items 61-80 of 194
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Enhanced Catalytic Performance for Propene Epoxidation with H2 and O2 over Bimetallic Au–Ag/Uncalcined Titanium Silicate-1 Catalysts
Feng, Xiang; Yang, Jia; Duan, Xuezhi; Cao, Yueqiang; Chen, Bingxu; Chen, Wenyao; Lin, Dong; Qian, Gang; Chen, De; Yang, Chaohe; Zhou, Xinggui (Journal article; Peer reviewed, 2018)Gradually emerging environmental concerns have triggered the development of highly efficient catalysts for propene epoxidation with H2 and O2. Unfortunately, intensifying the activity and stability is still a challenging ... -
Enhanced stability for propene epoxidation with H2 and O2 over wormhole-like hierarchical TS-1 supported Au nanocatalyst
Sheng, Nan; Liu, Zhikun; Song, Zhaoning; Lin, Dong; Feng, Xiang; Liu, Yibin; Chen, Xiaobo; Chen, De; Zhou, Xinggui; Yang, Chaohe (Journal article; Peer reviewed, 2018)Designing highly efficient Au/Ti-containing catalysts for propene epoxidation with H2 and O2 harbors tremendous scientific and industrial importance. In this work, novel hydrophobic hierarchical TS-1 (HTS-1) with wormhole-like ... -
Enhancing capacitance of supercapacitor with both organic electrolyte and ionic liquid electrolyte on a biomass-derived carbon
Wang, Xuehang; Li, Yahao; Lou, Fengliu; Buan, Marthe Emelie Melandsø; Sheridan, Edel; Chen, De (Journal article; Peer reviewed, 2017)Supercapacitor (SC) with organic electrolyte or ionic liquid (IL) electrolyte can generally store/release higher energy than that with an aqueous electrolyte, due to a larger operating voltage window of a non-aqueous ... -
Enhancing the dynamic electron transfer of Au species on wormhole-like TS-1 for boosting propene epoxidation performance with H2 and O2
Lin, Dong; Zheng, Xiuhui; Feng, Xiang; Sheng, Nan; Song, Zhaoning; Liu, Yibin; Chen, Xiaobo; Cai, Zhenping; Chen, De; Yang, Chaohe (Peer reviewed; Journal article, 2020)Engineering unique electronic structure of catalyst to boost catalytic performance is of prime scientific and industrial importance. Herein, the identification of intrinsic electronic sensitivity for direct propene epoxidation ... -
Ethylene Oxychlorination on CuCI2 based Catalysts: Operando Kinetic Study
Baidoo, Martina Francisca (Doctoral thesis, 2019)Polyvinyl chloride, popularly known as PVC is the third most used plastic in the world. It is used for producing pipes, synthetic leather, window frames, water hoses, floors, coatings, etc. PVC is durable, long lasting and ... -
Ethylene Oxychlorination on CuCl2 based Catalysts: Mechanism and Kinetics
Fenes, Endre (Doctoral theses at NTNU;2021:114, Doctoral thesis, 2021)Ethylene oxychlorination is one of the major industrial sources of vinyl chloride, the monomer of poly-vinyl chloride (PVC). The oxychlorination reaction is catalysed by alumina supported, CuCl2 based catalysts which ... -
Evolution of Carbon Nanofiber-Supported Pt Nanoparticles of Different Particle Sizes: A Molecular Dynamics Study
Cheng, Hong-ye; Zhu, Yi-An; Chen, De; Åstrand, Per-Olof; Li, Ping; Qi, Zhiwen; Zhou, Xing-Gui (Journal article, 2014)Molecular dynamics simulations employing the ReaxFF reactive force field have been carried out to analyze the structural evolution of fishbone-type carbon nanofiber-supported Pt nanoparticles, with particle size ranging ... -
Exploring metal-metal and metal-support interactions in Pt-based catalysts for aqueous phase reforming
Pazos Urrea, Monica (Doctoral theses at NTNU;2023:402, Doctoral thesis, 2023)The extensive use of fossil fuels is widely recognized as one of the primary factors contributing to global warming. Therefore, finding alternative and sustainable energy sources/carriers is a relevant area of research to ... -
Gas dechlorination of plastic pyrolysis derived oil with model compounds using Fe based materials.
Kjønli, Andrea (Master thesis, 2023)Verdens produksjon av plast har økt raskt siden 1950-tallet på grunn av dens utmerkede egenskaper. Dessverre blir bare en liten fraksjon av denne plasten resirkulert, noe som fører til massive mengder plastavfall som ... -
Gold Catalysts Containing Interstitial Carbon Atoms Boost Hydrogenation Activity
Sun, Y.; Cao, Y.; Wang, , L.; Mu, , X.; Zhao, Q.; Si, , R.; Zhu, , X.; Chen, , S.; Zhang, , B.; Chen, De; Wan, Ying (Peer reviewed; Journal article, 2020)Supported gold nanoparticles are emerging catalysts for heterogeneous catalytic reactions, including selective hydrogenation. The traditionally used supports such as silica do not favor the heterolytic dissociation of ... -
Green River Kerogen Product Distribution Analysis: The Influence of Pyrolysis and Catalytic Reactions with Hydrogen-Donor Solvent
Meyer, Marthe (Master thesis, 2016)The increase in global energy consumption of petroleum, which is estimated to even surge to ca. 37% by 2035, requires substitutes from other unconventional sources of oil and gas. Utilization of oil shale by technology and ... -
H2 production by sorption enhanced steam reforming of biomass-derived bio-oil in a fluidized bed reactor: An assessment of the effect of operation variables using response surface methodology
Gil, Maria V; Fermoso, Javier; Rubiera, Fernando; Chen, De (Journal article; Peer reviewed, 2014)High-purity H2 was produced by the sorption enhanced steam reforming (SESR) of acetic acid, a model compound of bio-oil obtained from the fast pyrolysis of biomass, in a fluidized bed reactor. A Pd/Ni–Co hydrotalcite-like ... -
High Peel Strength and Flexible Aligned Carbon Nanotubes/Etched Al Foil Composites with Boosted Supercapacitor and Thermal Dissipation Performances
Du, Juan; Kang, Le; Zhong, Qifan; Zhou, Haitao; Yang, Jianhong; Chen, De; Luo, Yingtao; Chen, Kaibin; Li, Wangxing; Xiao, Jin (Peer reviewed; Journal article, 2019)In this work, aligned carbon nanotubes (ACNTs) were grown on etched Al foil with improved bonding strength by direct thermal chemical vapor deposition. In the interface of the ACNTs adjacent to the etched Al substrate, the ... -
High Temperature CO2 Capture Catalytic Combustion of Methane over cobalt cerium-based catalysts.
Ivanez Encinas, Oscar (Master thesis, 2020)The following master thesis is a work package from a larger project for the design of a novel and commercialize more sustainable process for energy generation. This process is a new hybrid natural gas combined cycle power ... -
Highly selective CO removal by sorption enhanced Boudouard reaction for hydrogen production
Rout, Kumar Ranjan; Gil Matellanes, Maria Victoria; Chen, De (Journal article, 2019)The development of an energy-efficient and cost-effective technology for the purification of a hydrogen rich stream to achieve a CO concentration below 10 ppm, suitable for low temperature fuel cell applications, is one ... -
Hydrodeoxygenation (HDO) of simulated bio oil to fuel on bimetallic transition metal phosphides
Sundli, Eline Nesdal (Master thesis, 2018)Environmental concerns and depleting availability of fossil resources, are raising interest regarding energy production from renewable sources. Biomass has the potential for being a CO2 neutral feedstock for fuel production. ... -
Hydrogen dependence of the reaction mechanism and kinetics of water gas shift reaction on Ni catalyst: Experimental and DFT study
Noor, Tayyaba; Qi, Yanying; Chen, De (Journal article; Peer reviewed, 2019)This paper presents a combined experimental and density functional theory study of the relative reactivity of surface species O*, OH*, and H* with CO* on nickel catalysts and their catalytic consequence in reaction mechanism ... -
Hydrogen production from biomass derived compounds by sorption enhanced reforming
Martinez Sanchez, Guillermo (Master thesis, 2013)Sorption enhance steam reforming (SESR) is a technique which involves the integration of three reactions in one stage; namely steam reforming (SR), water gas shift (WGS) and CO2 sorption This project was developed to study ... -
Hydrogenation of CO to olefins over a supported iron catalyst on MgAl2O4 spinel: effects of the spinel synthesis method
Wang, Yu; Li, Hou-Xing; Li, Xue-Gang; Xiao, Wen-De; Chen, De (Journal article; Peer reviewed, 2020) -
Hydrolysis of Cellulose using Hybrid Catalysts
Kovacic, David (Master thesis, 2016)Catalyst plays an important role in biomass conversion. The present work will deal with preparation, characterization and application in the cellulose conversion to chemicals. The work will focus on the functionalization ...