Blar i NTNU Open på forfatter "Pollet, Bruno"
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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 ... -
Accelerating the understanding of chemistry: with path-sampling and human understandable machine learning algorithms
Roet, Sander Johannes Simon (Doctoral theses at NTNU;2022:289, Doctoral thesis, 2022)Understanding chemistry is essential for the optimization of reactions and the development of new reactions. Chemical reactions can be investigated by simulations without wasting any precious materials or be influenced by ... -
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 ... -
Advances, Opportunities and Challenges of Hydrogen and Oxygen Production from Seawater Electrolysis: An Electrocatalysis Perspective
Asghari, Elnaz; Muhammad Imran, Abdullah; Foroughi, Faranak; Lamb, Jacob Joseph; Pollet, Bruno (Peer reviewed; Journal article, 2021)With increasing energy consumption and greenhouse gas emissions, the importance of developing renewable energy sources to replace fossil fuels has become a vital global task. Hydrogen produced via water electrolysis powered ... -
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 ... -
Comment on “How green is blue hydrogen?"
Romano, Matteo C.; Antonini, Cristina; Bardow, André; Bertsch, Valentin; Brandon, N.P.; Brouwer, Jack; Campanari, Stefano; Crema, Luigi; Dodds, Paul E.; Gardarsdottir, Stefania Osk; Gazzani, Matteo; Kramer, Gert Jan; Lund, Peter D.; Mac Dowell, Niall; Martelli, Emanuele; Mastropasqua, Luca; McKenna, Russell; Monteiro, Juliana Garcia Moretz-Sohn; Paltrinieri, Nicola; Pollet, Bruno; Reed, Jeffrey G.; Schmidt, Thomas Justus; Vente, Jaap; Wiley, Dianne (Peer reviewed; Journal article, 2022)This paper is written in response to the paper “How green is blue hydrogen?” by R. W. Howarth and M. Z. Jacobson. It aims at highlighting and discussing the method and assumptions of that paper, and thereby providing a ... -
CuO–NiO/Co3O4 hybrid nanoplates as highly active catalyst for ammonia borane hydrolysis
Liao, Jinyun; Feng, Yufa; Lin, Weimin; Su, Xinlong; Ji, Shan; Li, Liling; Zhang, Wanling; Pollet, Bruno; Li, Hao (Peer reviewed; Journal article, 2020)Dehydrogenation of hydrogen-rich chemicals, such as ammonia borane (AB), is a promising way to produce hydrogen for mobile fuel cell power systems. However, the practical application has been impeded due to the high cost ... -
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 (26 kHz) affect the hydrogen evolution reaction(HER) on Pt polycrystalline electrode in a mild acidic electrolyte?
Pollet, Bruno; Foroughi, Faranak; Faid, Alaa; Emberson, David; Islam, Md Hujjatul (Peer reviewed; Journal article, 2020)In this study, we investigated the effects of power ultrasound (26 kHz, up to ∼75 W/cm2, up to 100% acoustic amplitude, ultrasonic horn) on the hydrogen evolution reaction (HER) on a platinum (Pt) polycrystalline disc ... -
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 hydrocarbon Ionomers?
Adamski, Michael; Peressin, Nicolas; Balogun, Emmanuel; Pollet, Bruno; Holdcroft, Steven (Peer reviewed; Journal article, 2021)The effect of low-frequency high-power ultrasound on hydrocarbon-based ionomers, cation exchange sulfonated phenylated polyphenylene (sPPB-H+) and anion exchange hexamethyl-p-terphenyl poly(benzimidazolium) (HMT-PMBI), was ... -
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. ... -
The Effects of Power Ultrasound (24 kHz) on the Electrochemical Reduction of CO2 on Polycrystalline Copper Electrodes
Islam, Md Hujjatul; Mehradi, Hamed; Coridan, Robert H.; Burheim, Odne Stokke; Hihn, Jean-Yves; Pollet, Bruno (Peer reviewed; Journal article, 2021)The electrochemical CO2 reduction reaction (CO2RR) on polycrystalline copper (Cu) electrode was performed in a CO2-saturated 0.10 M Na2CO3 aqueous solution at 278 K in the absence and presence of low-frequency high-power ... -
Electroless Production of Fertilizer (Struvite) and Hydrogen from Synthetic Agricultural Wastewaters
Kékedy-Nagy, László; Abolhassani, Mojtaba; Bakovic, Sergio I. Perez; Anari, Zahra; Moore II, John P.; Pollet, Bruno; Greenlee, Lauren F. (Peer reviewed; Journal article, 2020)The drive toward sustainable phosphorus (P) recovery from agricultural and municipal wastewater streams has intensified. However, combining P recovery with energy conservation is perhaps one of the greatest challenges of ... -
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 ... -
Engineered porous Ni2P-nanoparticle/Ni2P-nanosheet arrays via the Kirkendall effect and Ostwald ripening towards efficient overall water splitting
Wu, Yutai; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Xuyun; Wang, Rongfang (Peer reviewed; Journal article, 2020)Transitional metal phosphides with array-like structure grown on conductive support materials are promising bifunctional catalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). In this ... -
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 ...