Browsing NTNU Open by Author "Pollet, Bruno"
Now showing items 1-20 of 40
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A Highly-Efficient and Stable Catalyst based on Co(OH)2@Ni Electroplated on Cu-Metallized Cotton Textile for Water Splitting
Wang, Zining; Ji, Shan; Liu, Fusheng; Wang, Hui; Wang, Xuyun; Wang, Qizhao; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)The concept of using renewable energy to power water electrolyzers is seen as a favorable approach for the production of green and sustainable hydrogen. The electrochemical water splitting can be significantly and efficiently ... -
Achieving highly practical capacitance of MnO2 by using chain-like CoB alloy as support
Yan, Jingjing; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)The practical performance of MnO2 as a capacitor material is limited mainly by its poor electronic conductivity. Arranging MnO2 on the conductive backbone to form a unique hierarchical nanostructure is an efficient way to ... -
Assessment of the beneficial combination of electrochemical and ultrasonic activation of compounds originating from biomass
Neah, N; Islam, Md. H.; Baranton, S; Coutanceau, Christophe; Pollet, Bruno (Journal article; Peer reviewed, 2020)The electro-oxidation of organic molecules at the anode with simultaneous generation of hydrogen at the cathode in electrosynthesis reactors is considered as a promising and efficient process for the co-production of ... -
Co3O4/CuMoO4 Hybrid Microflowers Composed of Nanorods with Rich Particle Boundaries as a Highly Active Catalyst for Ammonia Borane Hydrolysis
Lu, Dongsheng; Liao, Jinyun; Li, Hao; Ji, Shan; Pollet, Bruno (Journal article; Peer reviewed, 2019)Dehydrogenation of ammonia borane (AB) is a promising approach for the production and use of hydrogen for industrial and fuel cell applications. The development of low-cost and highly active catalysts is critical for these ... -
Current Status of Automotive Fuel Cells for Sustainable Transport
Pollet, Bruno; Staffell, Iain; Kocha, Shyam (Journal article; Peer reviewed, 2019)Automotive proton-exchange membrane fuel cells (PEMFCs) have finally reached a state of technological readiness where several major automotive companies are commercially leasing and selling fuel cell electric vehicles, ... -
Does power ultrasound affect heterogeneous electron transfer kinetics?
Pollet, Bruno (Journal article; Peer reviewed, 2018)Most of the observations seen in the application of power ultrasound in electrochemistry or also known as sonoelectrochemistry are due to enhanced mass-transport of electroactive species from the bulk solution to the ... -
Does power ultrasound affect Nafion® dispersions?
Adamski, Michael; Peressin, Nicolas; Holdcroft, Steven; Pollet, Bruno (Journal article; Peer reviewed, 2020)The effect of low frequency power ultrasound on Nafion® ionomer used for fabricating proton exchange membrane fuel cell (PEMFC) and water electrolyzer (PEMWE) catalyst inks was investigated. In this study, a series of ... -
Effect of power ultrasound and Fenton reagents on the biomethane potential from steam-exploded birchwood
Lamb, Jacob Joseph; Islam, Md Hujjatul; Hjelme, Dag Roar; Pollet, Bruno; Lien, Kristian Myklebust (Journal article; Peer reviewed, 2019)The global demand for non-fossil energy sources is increasing rapidly. As a result, biogas presents a suitable alternative; however, first generation biofuels (e.g., sugar cane) potentially impact food crops globally. ... -
Electroreduction of oxygen on Nafion®-coated thin platinum films in acid media
Sarapuu, Ave; Hussain, Sajid; Kasikov, Aarne; Pollet, Bruno; Tammeveski, Kaido (Journal article; Peer reviewed, 2019)Electrocatalytic oxygen reduction reaction (ORR) kinetics on vacuum-evaporated thin platinum films in sulfuric acid solution is thoroughly investigated employing the rotating disc electrode (RDE) method. The nominal thickness ... -
Enhanced Cycleability of Amorphous MnO2 by Covering on α-MnO2 Needles in an Electrochemical Capacitor
Liu, Quanbing; Ji, Shan; Yang, Juan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2017)An allomorph MnO2@MnO2 core-shell nanostructure was developed via a two-step aqueous reaction method. The data analysis of Scanning Electron Microscopy, Transmission Electron Microscopy, X-Ray Diffraction and N2 ... -
Ex-Situ Electrochemical Characterization of IrO2 Synthesized by a Modified Adams Fusion Method for the Oxygen Evolution Reaction
Felix, Cecil; Bladergroen, Ben J.; Linkov, Vladimir; Pollet, Bruno; Pasupathi, Sivakumar (Journal article; Peer reviewed, 2019)The development of highly stable and active electrocatalysts for the oxygen evolution reaction (OER) has attracted significant research interest. IrO2 is known to show good stability during the OER however it is not known ... -
Flow Field Patterns for Proton Exchange Membrane (PEM) Fuel Cells
Sauermoser, Marco; Kizilova, Nataliya; Pollet, Bruno; Kjelstrup, Signe (Journal article; Peer reviewed, 2020)Flow field designs for the bipolar plates of the proton exchange membrane fuel cell are reviewed; including the serpentine, parallel, interdigitated, mesh type or their mixtures, furthermore 2D circular and 3D tubular ... -
From bad electrochemical practices to an environmental and waste reducing approach for the generation of active hydrogen evolving electrodes
Ring, Lisa; Pollet, Bruno; Chatenet, Marian; Abbou, Sofyane; Küpper, Karsten; Schmidt, Mercedes; Huck, Marten; Gries, Aurelia; Steinhart, Martin; Schäfer, Helmut (Journal article; Peer reviewed, 2019)The electrodeposition of noble metals using corresponding dissolved metal salts represents an interesting process for the improvement of the electrocatalytic Hydrogen Evolution Reaction (HER) properties of less active ... -
Graphene Modified Fluorinated Cation-Exchange Membranes for Proton Exchange Membrane Water Electrolysis
Ion-Ebrasu, Daniela; Pollet, Bruno; Spinu-Zaulet, Adnana; Soare, Amalia; Carcadea, Elena; Varlam, Mihai; Caprarescu, Simona (Journal article; Peer reviewed, 2019)One of major current technical challenges in proton exchange membrane water electrolysis (PEMWE) is the limited proton conductivity. Nowadays, graphene is considered one of the most promising candidates for improving the ... -
Highly active porous Co–B nanoalloy synthesized on liquid-gas interface for hydrolysis of sodium borohydride
Wang, Xingpu; Liao, Jinyun; Li, Hao; Wang, Hui; Wang, Rongfang; Pollet, Bruno; Ji, Shan (Journal article; Peer reviewed, 2018)Porous Co–B nanoalloy is a low-cost and highly active catalyst towards the hydrolysis of sodium borohydride (NaBH4). In this study, a facile and room-temperature hydrogen bubble-assisted method was developed to prepare ... -
A highly efficient water electrolyser cell assembled by asymmetric array electrodes based on Co, Fe-doped Ni(OH)2 nanosheets
Wu, Yutai; Ji, Shan; Pollet, Bruno; Wang, Xuyun; Wang, Rongfang (Peer reviewed; Journal article, 2020)Hydrogen is an “ideal” clean sustainable energy source if it is produced via water electrolyser using power generated by renewable energy systems (RES) such as solar panels and wind turbines. In this study, cobalt (Co) and ... -
Hollow core-shell structured Cu2O@Cu1.8S spheres as novel electrode for enzyme free glucose sensing
Cao, Miaomiao; Wang, Hui; Ji, Shan; Zhao, Qian; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)This study reports a novel hollow Cu2O@Cu1.8S material used as a catalyst for enzyme free glucose detection. Cu2O@Cu1.8S is successfully synthesized by a facile in-situ growth method. The obtained Cu2O@Cu1.8S exhibits a ... -
(Invited) Novel Fuel Production Based on Sonochemistry and Sonoelectrochemistry
Islam, Md. H.; Lamb, Jacob J.; Lien, Kristian M.; Burheim, Odne Stokke; Hihn, Jean-Yves; Pollet, Bruno (Journal article; Peer reviewed, 2019)Sonochemistry has been used in many applications where it is employed to improve both catalytic and synthetic processes; whereas, sonoelectrochemistry has been used in various studies including organic syntheses, environmental ... -
Measuring the thermal conductivity of membrane and porous transport layer in proton and anion exchange membrane water electrolyzers for temperature distribution modeling
Bock, Robert; Karoliussen, Håvard; Seland, Frode; Pollet, Bruno; Thomassen, Magnus; Holdcroft, Steven; Burheim, Odne Stokke (Journal article; Peer reviewed, 2019)Water electrolyzers that use a membrane electrolyte between the electrodes are a promising technology towards mass production of renewable hydrogen. High power setups produce a lot of heat which has to be transported through ... -
Mesoporous CoS/ N‐doped Carbon as HER and ORR Bifunctional Electrocatalyst for Water Electrolysers and Zinc‐Air Batteries
Ding, Jieting; Ji, Shan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)Hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) are two critical electrocatalytic reactions, involved in many sustainable and green electrochemical energy conversion and storage technologies. Transition ...