Now showing items 395-414 of 938

    • Heat of absorption of carbon dioxide (CO2) into aqueous N-methyldiethanolamine (MDEA) and N,N-dimethylmonoethanolamine (DMMEA) 

      Jonassen, Øystein; Kim, Inna; Svendsen, Hallvard Fjøsne (Peer reviewed; Journal article, 2014)
      In this work the heat of absorption of CO2 into aqueous solutions of N-methyldiethanolamine (MDEA) and N,N- dimethylmonoethanolamine (DMMEA) has been investigated in a reaction calorimeter. The experiments were conducted ...
    • Heat source management in wire-arc additive manufacturing process for Al-Mg and Al-Si alloys 

      Oyama, Kohei; Diplas, Spyridon; M'hamdi, Mohammed; Gunnæs, Anette Eleonora; S. Azar, Amin (Journal article; Peer reviewed, 2019)
      Modelling of wire-arc additive manufacturing process is an effective way for adapting the optimum parameters as well as understanding and managing the sequences of layer-by-layer deposition. Some of these parameters such ...
    • Hematite microdisks as an alternative anode material for lithium-ion batteries 

      Balasingam, Suresh Kannan; Kundu, Manab; Balamuralitharan, Balakrishnan; Kim, Hee-Je; Svensson, Ann Mari; Jayasayee, Kaushik (Journal article; Peer reviewed, 2019)
      In this work, hematite microdisks (500 nm to 1 μm in diameter, ∼200 nm in thickness) have been synthesized by a facile hydrothermal method which exhibited good cycling stability at a current density of 200 mA g−1 and ...
    • Heterogeneous nucleation and grain growth of inoculated aluminium alloys: An integrated study by in-situ X-radiography and numerical modelling 

      Xu, Yijiang; Casari, Daniele; Du, Qiang; Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun (Peer reviewed; Journal article, 2017)
      A comprehensive study on the heterogeneous nucleation and grain growth of Al-10 wt.%Cu alloys inoculated with Al-5Ti-1B was carried out. To further reveal the solute segregation stifling mechanism, in-situ near-isothermal ...
    • High capacity Mg batteries based on surface-controlled electrochemical reactions 

      Wang, Lu; Vullum, Per Erik; Asheim, Karina; Wang, Xuehang; Svensson, Ann Mari; Vullum-Bruer, Fride (Journal article; Peer reviewed, 2018)
      Mg batteries are one of several new battery technologies expected to partially substitute lithium-based batteries in the future due to the lower cost and higher safety. However, the development of Mg batteries has been ...
    • High cycle fatigue life estimation of AlSi10Mg processed by laser powder bed fusion 

      Hovig, Even Wilberg; S. Azar, Amin; Sunding, Martin Fleissner; Sørby, Knut; M'hamdi, Mohammed; Andreassen, Erik (Journal article, 2018)
      Fatigue life is known to be dependent on the surface properties of the material. Surface roughness provokes local stress concentration and cause crack initiation even at minute cyclic loads. In laser powder bed fusion, ...
    • High interfacial charge storage capability of carbonaceous cathodes for Mg batteries 

      Wang, Lu; Jiang, Bo; Vullum, Per Erik; Svensson, Ann Mari; Erbe, Andreas; Selbach, Sverre Magnus; Xu, Huailiang; Vullum-Bruer, Fride (Peer reviewed; Journal article, 2018)
      A rechargeable Mg battery where the capacity mainly originates from reversible reactions occurring at the electrode/electrolyte interface efficiently avoids the challenge of sluggish Mg intercalation encountered in ...
    • High performance and toxicity assessment of Ta3N5 nanotubes for photoelectrochemical water splitting 

      Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Risbakk, Sanne; Yang, Mingyi; Backe, Paul Hoff; Grandcolas, Mathieu; Bjørås, Magnar; Norby, Truls Eivind (Peer reviewed; Journal article, 2020)
      In this work, Co-based cocatalysts are electrodeposited on mesoporous Ta3N5 nanotubes. The electrodeposition time is varied and the optimized photoelectrode reaches a photocurrent density of 6.3 mA/cm2 at 1.23 V vs. SHE, ...
    • High performance and toxicity assessment of Ta3N5 nanotubes for photoelectrochemical water splitting 

      Xu, Kaiqi; Chatzitakis, Athanasios Eleftherios; Risbakk, Sanne; Yang, Mingyi; Backe, Paul Hoff; Grandcolas, Mathieu; Bjørås, Magnar; Norby, Truls Eivind (Journal article; Peer reviewed, 2019)
      In this work, Co-based cocatalysts are electrodeposited on mesoporous Ta3N5 nanotubes. The electrodeposition time is varied and the optimized photoelectrode reaches a photocurrent density of 6.3 mA/cm2 at 1.23 V vs. SHE, ...
    • High performance multicrystalline silicon: Grain structure and iron precipitation 

      Autruffe, Antoine; M'hamdi, Mohammed; Schindler, Florian; Heinz, Friedemann D.; Ekstrøm, Kai Erik; Schubert, Martin C.; Di Sabatino Lundberg, Marisa; Stokkan, Gaute (Peer reviewed; Journal article, 2017)
      A study of the spatial occurrence of iron precipitation in a high performance multicrystalline silicon (HPMC-Si) sample is presented. The separated effects of grain-boundaries, sparse intra-granular dislocations, and ...
    • High temperature interaction between Si–B alloys and Si3N4 

      Jiao, Jian Meng; Tang, Kai; Safarian, Jafar; Grorud, Bettina; Sellevoll, Kathrine; Tangstad, Merete (Peer reviewed; Journal article, 2021)
      Si3N4 is a candidate crucible material for Si–B alloys in high temperature thermal energy storage system. In this regard, the phase formation in the Si–B alloys and the interaction between the alloys and Si3N4 were ...
    • High-pressure CO2/CH4 separation of Zr-MOFs based mixed matrix membranes 

      Ahmad, Mohd Zamidi; Peters, Thijs; Konnertz, Nora; Visser, Tymen; Téllez, Carlos; Coronas, Joaquín; Fıla, Vlastimil; de Vos, WM; Benes, Nieck E. (Peer reviewed; Journal article, 2020)
      The gas separation properties of 6FDA-DAM mixed matrix membranes (MMMs) with three types of zirconium-based metal organic framework nanoparticles (MOF NPs, ca. 40 nm) have been investigated up to 20 bar. Both NPs preparation ...
    • High-pressure CO2/CH4 separation of Zr-MOFs based mixed matrix membranes 

      Ahmad, Mohd Zamidi; Peters, Thijs; Konnertz, Nora M.; Visser, Tymen; Téllez, Carlos; Coronas, Joaquín; Fila, Vlastimil; de Vos, Wiebe M.; Benes, Nieck (Peer reviewed; Journal article, 2020)
      The gas separation properties of 6FDA-DAM mixed matrix membranes (MMMs) with three types of zirconium-based metal organic framework nanoparticles (MOF NPs, ca. 40 nm) have been investigated up to 20 bar. Both NPs preparation ...
    • High-purity H2 production with CO2 capture based on coal gasification 

      Jordal, Kristin; Anantharaman, Rahul; Peters, Thijs; Berstad, David Olsson; Morud, John Christian; Nekså, Petter; Bredesen, Rune (Journal article; Peer reviewed, 2015)
      A novel hybrid concept is proposed, combining Pd-alloy membrane and low temperature separation technology, to produce pure H2 from gasified coal and capture the main part of the generated CO2. 75% of the H2 produced from ...
    • High-throughput screening reveals higher synergistic effect of MEK inhibitor combinations in colon cancer spheroids 

      Folkesson, Evelina; Niederdorfer, Barbara; To, Vu; Thommesen, Liv; Klinkenberg, Geir; Lægreid, Astrid; Flobak, Åsmund (Peer reviewed; Journal article, 2020)
      Drug combinations have been proposed to combat drug resistance, but putative treatments are challenged by low bench-to-bed translational efficiency. To explore the effect of cell culture format and readout methods on ...
    • Highlights and Main Findings from the 8 Year SOLVit R&D Programme – Bringing Solvents and Technology from Laboratory to Industry 

      Knudsen, Jacob N.; Wærnes, Ole; Svendsen, Hallvard Fjøsne; Graff, Oscar (Peer reviewed; Journal article, 2017)
      SOLVit is an eight year (2008 – 2015) and 37 million Euro research programme focusing on developing energy efficient and environmental friendly post combustion carbon capture systems for large-scale industrial CO2 emissions. ...
    • Highly Active Nickel-Based Catalyst for Hydrogen Evolution in Anion Exchange Membrane Electrolysis 

      Faid, Alaa; Barnett, Alejandro; Seland, Frode; Sunde, Svein (Journal article; Peer reviewed, 2018)
      Anion exchange membrane (AEM) electrolysis is hampered by two main issues: stability and performance. Focusing on the latter, this work demonstrates a highly active NiMo cathode for hydrogen evolution in AEM electrolysis. ...
    • Highly CO2-permeable membranes derived from a midblock-sulfonated multiblock polymer after submersion in water 

      Dai, Zhongde; Deng, Jing; Aboukeila, Hesham; Ansaloni, Luca; Mineart, Kenneth P.; Baschetti, Marco Giacinti; Spontak, Richard J; Deng, Liyuan; Yun, Jiaqi (Journal article; Peer reviewed, 2019)
      To mitigate the effect of atmospheric CO2 on global climate change, gas separation materials that simultaneously exhibit high CO2 permeability and selectivity in gas mixtures must be developed. In this study, CO2 transport ...
    • HNBR elastomer composite with zero thermal contraction over a range of temperatures 

      Akulichev, Anton; Alcock, Benjamin; Protasov, Andrey; Markin, Pavel; Echtermeyer, Andreas (Peer reviewed; Journal article, 2019)
      Elastomers such as hydrogenated nitrile butadiene rubber (HNBR) are known to have inferior dimensional stability upon temperature changes compared to metallic materials. This can result in thermal contraction mismatches ...
    • The hot spot in Al-rod extrusion investigated by FEM-analysis 

      Valberg, Henry Sigvart; Lefstad, Martin; Costa, André L. M. (Peer reviewed; Journal article, 2019)
      FEM-analysis is applied to study thermo-mechanical conditions in an industrial Al-rod extrusion process using long billets as stock material. In the analysis, focus is on the conditions in the hot spot present inside the ...