Browsing NTNU Open by Author "Seland, Frode"
Now showing items 81-95 of 95
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The oxygen evolution reaction mechanism at IrxRu1−xO2 powders produced by hydrolysis synthesis
Reksten, Anita; Thuv, Heidi; Seland, Frode; Sunde, Svein (Journal article; Peer reviewed, 2018)A mechanistic study of the oxygen evolution reaction (OER) has been performed for IrxRu1−xO2, x = 1, 0.6, 0.3 and 0, prepared by the hydrolysis synthesis. The oxides were characterized by X-ray diffraction, cyclic voltammetry ... -
The performance of nickel and nickel-iron catalysts evaluated as anodes in anion exchange membrane water electrolysis
Cossar, Emily; Barnett, Alejandro Oyarce; Seland, Frode; Baranova, Elena (Journal article; Peer reviewed, 2019)Anion exchange membrane water electrolysis (AEMWE) is an efficient, cost-effective solution to renewable energy storage. The process includes oxygen and hydrogen evolution reactions (OER and HER); the OER is kinetically ... -
The potential of zero total charge and electrocatalytic properties of Ru@Pt core-shell nanoparticles
Svendby, Jørgen; Seland, Frode; Singh, Gurvinder; de la Fuente, Jose; Sunde, Svein (Journal article; Peer reviewed, 2019)Electrocatalysis of the oxygen reduction reaction (ORR), oxidation of carbon monoxide, and the methanol oxidation reaction (MOR) are all critical to the performance of direct-methanol fuel cells (DMFC). In this work we ... -
The real area of nanoporous catalytic surfaces of gold and palladium in aqueous solutions
Do, Uyen Phuong; Seland, Frode; Johannessen, Erik Andrew (Journal article; Peer reviewed, 2018)The determination of the real, or active, area of a catalytic surface is a key requirement to understand or quantify parameters related to its electrochemical behavior. There are several experimental methods available, but ... -
Thermal Conductivity and Compaction of GDL-MPL Interfacial Composite Material
Bock, Robert; Shum, A. D.; Xiao, X.; Karoliussen, Håvard; Seland, Frode; Zenyuk, Iryna V.; Burheim, Odne Stokke (Journal article; Peer reviewed, 2018)The microporous layer (MPL) and the gas diffusion layer (GDL) in a polymer electrolyte membrane (PEM) fuel cell assembly are often treated as separate layers in the literature. However, there exists a considerable third ... -
Thermal conductivity in the three layered regions of MPL coated PTL for the PEM fuel cell
Burheim, Odne Stokke; Crymble, Gregory A.; Bock, Robert; Hussain, Nabeel; Pasuphati, Sivakumar; Du Plessis, Anton; le Roux, Stephan; Seland, Frode; Su, Huaneng; Pollet, Bruno G. (Journal article; Peer reviewed, 2015)Thermal conductivity of the polymer electrolyte membrane fuel cell (PEMFC) components has achieved increased attention over the past decade. Despite the fact that the PEMFC itself (between the gas flow plates) is less than ... -
Thermal Gradients with Sintered Solid State Electrolytes in Lithium-Ion Batteries
Bock, Robert; Onsrud, Morten; Karoliussen, Håvard; Pollet, Bruno; Seland, Frode; Burheim, Odne Stokke (Journal article; Peer reviewed, 2020)The electrolyte is one of the three essential constituents of a Lithium-Ion battery (LiB) inaddition to the anode and cathode. During increasingly high power and high current charging anddischarging, the requirement for ... -
Thin film nanoporous electrodes for the selective catalysis of oxygen in abiotically catalysed micro glucose fuel cells
Do, Uyen Phuong; Seland, Frode; Maharbiz, Michel M.; Wang, Kaiying; Johannesen, Øivind; Johannessen, Erik Andrew (Journal article; Peer reviewed, 2016)Selective reduction of oxygen is an important property of fuel cells designed to operate in a mixed fuel environment containing both oxidizing and reducing reactants. This would be of particular importance in the design ... -
Tin and Tin Alloys for Low Cost Bipolar Plates in PEM Fuel Cells
McCay, Katie (Doctoral theses at NTNU;2020:408, Doctoral thesis, 2020)Proton Exchange Membrane (PEM) Fuel Cells are one of the most promising futures for green energy, as they provide a sustainable alternative to combustion engines in vehicles. The bipolar plate (BPP) is a crucial component ... -
Tuning Ni–MoO2 Catalyst–Ionomer and Electrolyte Interaction for Water Electrolyzers with Anion Exchange Membranes
Faid, Alaa; Alejandro, Barnett; Seland, Frode; Sunde, Svein (Peer reviewed; Journal article, 2021)Tailoring catalyst–ionomer and electrolyte interaction is crucial for the development of anion exchange membrane (AEM) water electrolysis. In this work, the interaction of Ni–MoO2 nanosheets with ionomers and electrolyte ... -
Two routes for sonochemical synthesis of platinum nanoparticles with narrow size distribution
Hansen, Henrik Erring; Seland, Frode; Sunde, Svein; Burheim, Odne Stokke; Pollet, Bruno (Journal article; Peer reviewed, 2021)A novel sonochemical approach to synthesize platinum (Pt) nanoparticles has been developed to produce smaller, and more monodisperse particles than traditional chemical reduction methods such as the sodium borohydride ... -
Understanding reaction mechanisms using dynamic electrochemical impedance spectroscopy: Methanol oxidation on Pt
Holm, Thomas; Sunde, Svein; Seland, Frode; Harrington, David A. (Journal article; Peer reviewed, 2019)Data from a combined cyclic voltammetry and dynamic electrochemical impedance spectroscopy (dEIS) study of the methanol oxidation reaction (MOR) at high temperatures was revisited using a new method for mechanistic modeling. ... -
Understanding reaction mechanisms using dynamic electrochemical impedance spectroscopy: Methanol oxidation on Pt
Holm, Thomas; Sunde, Svein; Seland, Frode; Harrington, David A. (Journal article; Peer reviewed, 2019)Data from a combined cyclic voltammetry and dynamic electrochemical impedance spectroscopy (dEIS) study of the methanol oxidation reaction (MOR) at high temperatures was revisited using a new method for mechanistic modeling. ... -
Understanding the hydrogen evolution reaction in alkaline water electrolysis through binding energies
Haugsrud, Ida Kværnæs (Bachelor thesis, 2022)Hydrogen utvikles for å kunne brukes til energilagring i framtiden, og dette krever at produksjonen er energieffektiv og grønn fra systemer med lave kostnader av materialer med god tilgjengelighet. Dette kan være oppnåelig ... -
Zirconium hydrogen phosphate as an additive in electrocatalytic layers for the oxygen evolution reaction in PEM water electrolysis
Zlotorowicz, Agnieszka; Sunde, Svein; Seland, Frode (Journal article, 2015)For reasons of electrode integrity and durability it is desirable to add zirconium hydrogen phosphate to electrocatalytic layers in PEM water electrolysis. Common synthesis methods are frequently associated with an ...