Blar i NTNU Open på forfatter "Pollet, Bruno"
-
Multidimensional regulation of Ni3S2@Co(OH)2 catalyst with high performance for wind energy electrolytic water
Wang, Zining; Wang, Hui; Ji, Shan; Wang, Xuyun; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)Combining renewable energy technologies with water electrolyzers to produce green hydrogen should provide a very promising strategy for future sustainable and pollution-free energy supply. In this study, 3-D Ni3S2@Co(OH)2 ... -
N-doped porous transition metal-based carbon nanosheet networks as multifunctional electrocatalyst for rechargeable zinc-air batteries
Ding, Jieting; Ji, Shan; Wang, Hui; Gai, Hengjun; Liu, Fusheng; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)The development of cost-effective and highly efficient multi-functional oxygen reduction reaction and oxygen evolution reaction catalysts has attracted much research attention due to their great potential applications in ... -
Nano-engineering PdNi networks by voltammetric dealloying for ethanol oxidation
Ding, Jieting; Ji, Shan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)PdNi particle networks (PdNi NN) are prepared by voltammetric dealloying using catkin-like PdNi nanoparticles as precursor. It is found that voltammetric dealloying plays an important role for the formation of these networks. ... -
Nanofiber NiMoO4/g-C3N4 Composite Electrode Materials for Redox Supercapacitor Applications
Thiagarajan, Kannadasan; Bavani, Thirugnanam; Arunachalam, Prabhakarn; Lee, Seung Jun; Theerthagiri, Jayaraman; Madhavan, Jaganathan; Pollet, Bruno; Choi, Myong Yong (Journal article; Peer reviewed, 2020)NiMoO4/g-C3N4 was fabricated by a hydrothermal method and used as an electrode material in a supercapacitor. The samples were characterized by XRD, FTIR, scanning electron microscopy (SEM) and transmission electron microscopy ... -
Optimum scavenger concentrations for sonochemical nanoparticle synthesis
Hansen, Henrik Erring; Seland, Frode; Sunde, Svein; Burheim, Odne Stokke; Pollet, Bruno (Journal article; Peer reviewed, 2023)Maintaining nanoparticle properties when scaling up a chemical synthesis is challenging due to the complex interplay between reducing agents and precursors. A sonochemical synthesis route does not require the addition of ... -
Performance of activated stainless steel and nickel-based anodes in alkaline water electrolyser
Zamanizadeh, Hamid Reza; Oyarce Barnett, Alejandro Ricardo; Sunde, Svein; Pollet, Bruno; Seland, Frode (Peer reviewed; Journal article, 2023)Four different alloys including SS316, SS304, Inconel718 and Incoloy800 are activated by electro-oxidation at +1.70 V vs. RHE in 7.5 M KOH for 18 h. Their OER activity are evaluated ex-situ using linear sweep voltammetry ... -
Promotion of hydrogen evolution from seawater via poly(aniline-co-4-nitroaniline) combined with 3D nickel nanoparticles
Moradi-Alavian, Saleh; Kazempour, Amir; Mirzaei-Saatlo, Meysam; Ashassi-Sorkhabi, Habib; Mehrdad, Abbas; Asghari, Elnaz; Lamb, Jacob Joseph; Pollet, Bruno (Peer reviewed; Journal article, 2023)This work reports the synthesis of poly (aniline-co-4-nitroaniline) deposited on a three-dimensional nanostructured nickel (3D-Ni) film, where both layers were fabricated via potentiostatic electrodeposition. The obtained ... -
Recent Advances and Prospects of FeOOH-Based Electrode Materials for Supercapacitors
El Issmaeli, Youness; Lahrichi, Amina; Kalanur, Shankara S.; Natarajan, Sadesh Kumar; Pollet, Bruno (Peer reviewed; Journal article, 2023)Supercapacitors (SCs) offer a potential replacement for traditional lithium-based batteries in energy-storage devices thanks to the increased power density and stable charge–discharge cycles, as well as negligible environmental ... -
Recent developments in the sonoelectrochemical synthesis of nanomaterials
Islam, Md Hujjatul; Paul, Maichael T.Y.; Burheim, Odne Stokke; Pollet, Bruno (Peer reviewed; Journal article, 2019)In recent years, the synthesis and use of nanoparticles have been of special interest among the scientific communities due to their unique properties and applications in various advanced technologies. The production of ... -
Samspillet mellom fremtidig energimiks og hydrogen for å nå norske klimamål mot 2050
Skipevåg, Ragnhild; Torper, Anneli Sørland (Bachelor thesis, 2021)Gjennom Kyotoavtalen og Parisavtalen har Norge forpliktet seg til å redusere klimagassutslipp kraftig innen 2030 og 2050. Hydrogen som energibærer kan bli en viktig grunnpilar for at Norge skal nå klimamålene. Produksjon ... -
Scaling factors for channel width variations in tree-like flow field patterns for polymer electrolyte membrane fuel cells - An experimental study
Sauermoser, Marco; Pollet, Bruno; Kizilova, Nataliya; Kjelstrup, Signe (Peer reviewed; Journal article, 2021)To have a uniform distribution of reactants is an advantage to a fuel cell. We report results for such a distributor with tree-like flow field plates (FFP). Numerical simulations have shown that the width scaling parameters ... -
Seeking minimum entropy production for a tree-like flow-field in a fuel cell
Sauermoser, Marco; Kjelstrup, Signe; Kizilova, Nataliya; Pollet, Bruno; Flekkøy, Eirik Grude (Peer reviewed; Journal article, 2020)Common for tree-shaped, space-filling flow-field plates in polymer electrolyte fuel cells is their ability to distribute reactants uniformly across the membrane area, thereby avoiding excess concentration polarization or ... -
Self-standing heterostructured NiCx-NiFe-NC/biochar as a highly efficient cathode for lithium–oxygen batteries
Jing, Shengyu; Gong, Xu; Ji, Shan; Jia, Linhui; Pollet, Bruno; Yan, Sheng; Liang, Huagen (Peer reviewed; Journal article, 2020)Lithium–oxygen batteries have attracted research attention due to their low cost and high theoretical capacity. Developing inexpensive and highly efficient cathode materials without using noble metal-based catalysts is ... -
Sonochemical and sonoelectrochemical conversion of CO2 into hydrocarbons
Islam, Md Hujjatul (Doctoral theses at NTNU;2021:158, Doctoral thesis, 2021)Carbon dioxide (CO2) is one of the major greenhouse gas (GHG) contributors to global climate change. Combustion of fossil fuels accounts for approximately 80-90 % of the global CO2 emission, which over the last decade, has ... -
Sonochemical and Sonoelectrochemical Production of Energy Materials
Foroughi, Faranak; Lamb, Jacob Joseph; Burheim, Odne Stokke; Pollet, Bruno (Peer reviewed; Journal article, 2021)Sonoelectrochemistry is the combination of ultrasound and electrochemistry which provides many advantages in electrochemistry, such as fast reaction rates, surface cleaning and activation, and increased mass transport at ... -
Sonochemical and Sonoelectrochemical Production of Hydrogen - A Review
Islam, Md Hujjatul; Burheim, Odne Stokke; Pollet, Bruno (Journal article; Peer reviewed, 2018)Reserves of fossil fuels such as coal, oil and natural gas on earth are finite. The continuous use and burning of these fossil fuel resources in the industrial, domestic and transport sectors has resulted in the extremely ... -
Sonochemical conversion of CO<inf>2</inf> into hydrocarbons: The Sabatier reaction at ambient conditions
Islam, Md Hujjatul; Burheim, Odne Stokke; Hihn, Jean-Yves; Pollet, Bruno (Journal article; Peer reviewed, 2021) -
Sonochemical dosimetry: A comparative study of Weissler, Fricke and terephthalic acid methods
Rajamma, Devika Bhai Rajamma; Anandan, Sambandam; Yusof, Nor Saadah Mohd; Pollet, Bruno; Ashokkumar, Muthupandian (Peer reviewed; Journal article, 2021)Acoustic cavitation and sonochemical reactions play a significant role in various applications of ultrasound. A number of dosimetry methods are in practice to quantify the amount of radicals generated by acoustic cavitation. ... -
Sonochemical Synthesis of Cu@Pt Bimetallic Nanoparticles
Hansen, Henrik Erring; Fakhri, Daniel Øvstedal; Seland, Frode; Sunde, Svein; Burheim, Odne Stokke; Pollet, Bruno (Peer reviewed; Journal article, 2022)Reducing the amount of noble metals in catalysts for electrochemical conversion devices is paramount if these devices are to be commercialized. Taking advantage of the high degree of particle property control displayed by ... -
Sonochemical Synthesis of Nanoparticles for Fuel Cells and Electrolyzers
Hansen, Henrik Erring (Doctoral theses at NTNU;2023:215, Doctoral thesis, 2023)Green hydrogen represents an environmentally friendly alternative to fossil fuels as an energy carrier in many different energy-demanding industries. However, commercialized electrochemical conversion devices utilizing ...