Search Results - "Pivovar, B."
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Initial approaches in benchmarking and round robin testing for proton exchange membrane water electrolyzers
Published in International journal of hydrogen energy (05-04-2019)“…As ever-increasing amounts of renewable electricity enter the energy supply mix on a regional, national and international basis, greater emphasis is being…”
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Journal Article -
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The Chemical and Structural Nature of Proton Exchange Membrane Fuel Cell Properties
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-04-2005)“…The chemical and structural (morphological) features of proton exchange membranes are directly tied to their fuel cell relevant transport properties. A large…”
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Journal Article -
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Effect of a nitrogen-doped PtRu/carbon anode catalyst on the durability of a direct methanol fuel cell
Published in Journal of power sources (01-11-2012)“…Electrochemical performance and durability of PtRu supported on N-doped Vulcan is evaluated as an anode in membrane electrode assembly (MEA) single-cell direct…”
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Journal Article -
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Decomposition pathways of an alkaline fuel cell membrane material component via evolved gas analysis
Published in Journal of thermal analysis and calorimetry (01-07-2008)“…The mechanism of the thermal decomposition of [NMe 4 ][OH]·5H 2 O, tetramethyl ammonium hydroxide pentahydrate, was studied using DSC, TG and evolved gas…”
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Journal Article Conference Proceeding -
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Initial approaches in benchmarking and round robin testing for proton exchange membrane water electrolyzers
Published in International journal of hydrogen energy (15-03-2019)“…As ever increasing amounts of renewable electricity enter the energy supply mix on a regional, national and international basis, greater emphasis is being…”
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Journal Article -
6
Pervaporation membranes in direct methanol fuel cells
Published in Journal of membrane science (17-03-1999)“…The membranes in direct methanol fuel cells must both conduct protons and serve as a barrier for methanol. Nafion, the most common fuel cell membrane, is an…”
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Journal Article -
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The Effect of NaCl in the Cathode Air Stream on PEMFC Performance
Published in Fuel cells (Weinheim an der Bergstrasse, Germany) (01-04-2007)“…In this contribution, the effects of sodium chloride in the cathode side air stream of a polymer electrolyte membrane fuel cell were studied, since it is…”
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Journal Article -
8
Hydroxide Degradation Pathways for Imidazolium Cations: A DFT Study
Published in Journal of physical chemistry. C (15-05-2014)“…Imidazolium cations are promising candidates as covalently tetherable cations for application in anion exchange membranes. They have generated specific…”
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Journal Article -
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Platinum-Coated Copper Nanowires with High Activity for Hydrogen Oxidation Reaction in Base
Published in Journal of the American Chemical Society (11-09-2013)“…Platinum (Pt)-coated copper (Cu) nanowires (Pt/CuNWs) are synthesized by the partial galvanic displacement of CuNWs and have a 100 nm diameter and are 25–40 μm…”
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Journal Article -
10
Density Functional Theory Study of Degradation of Tetraalkylammonium Hydroxides
Published in Journal of physical chemistry. C (15-07-2010)“…We report density functional theory (DFT) studies of the degradation mechanism of tetraalkylammonium cations which are of interest for anion exchange membrane…”
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Journal Article -
11
Platinum Coated Copper Nanowires and Platinum Nanotubes as Oxygen Reduction Electrocatalysts
Published in ACS catalysis (01-03-2013)“…Platinum (Pt) coated copper (Cu) nanowires (Pt/CuNWs) are synthesized by the partial galvanic displacement of Cu nanowires (CuNWs) with a Pt loading of 18 wt…”
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Journal Article -
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Shape-directed platinum nanoparticle synthesis: nanoscale design of novel catalysts
Published in Applied organometallic chemistry (01-01-2014)“…Platinum‐based catalytic materials have received significant attention, particularly in the shape and size control of faceted materials for catalysis. More…”
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Journal Article -
13
Platinum-Coated Cobalt Nanowires as Oxygen Reduction Reaction Electrocatalysts
Published in ACS catalysis (01-08-2014)“…Cobalt nanowires (CoNWs) are coated with platinum (Pt) by partial galvanic displacement, forming core/shell wires 200–300 nm in diameter and 100–200 μm in…”
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14
Platinum-Coated Nickel Nanowires as Oxygen-Reducing Electrocatalysts
Published in ACS catalysis (04-04-2014)“…Platinum (Pt)-coated nickel (Ni) nanowires (PtNiNWs) are synthesized by the partial spontaneous galvanic displacement of NiNWs, with a diameter of 150–250 nm…”
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Journal Article -
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Tuning Carbon-Based Fuel Cell Catalyst Support Structures via Nitrogen Functionalization. I. Investigation of Structural and Compositional Modification of Highly Oriented Pyrolytic Graphite Model Catalyst Supports as a Function of Nitrogen Implantation Dose
Published in Journal of physical chemistry. C (21-07-2011)“…Surface modification and doping of graphitic-carbon catalyst support materials in fuel cell systems, particularly via nitrogen functionalization, has been…”
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Journal Article -
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Tuning Carbon-Based Fuel Cell Catalyst Support Structures via Nitrogen Functionalization. II. Investigation of Durability of Pt–Ru Nanoparticles Supported on Highly Oriented Pyrolytic Graphite Model Catalyst Supports As a Function of Nitrogen Implantation Dose
Published in Journal of physical chemistry. C (21-07-2011)“…Nitrogen functionalization of carbon-based support materials for low-temperature fuel cell catalysts has been shown to improve catalyst–support interactions…”
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Journal Article -
17
Evaluating the Influence of PEMFC System Contaminants on the Performance of Pt Catalyst via Cyclic Voltammetry
Published in Electrocatalysis (2014)“…Using cyclic voltammetry as a quick ex situ screening tool, the impact of the extracted solution and the individual leachable constituents from prospective…”
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Journal Article -
18
Controlled Synthesis of Nanoscale Icosahedral Gold Particles at Room Temperature
Published in ChemCatChem (01-10-2012)“…The shape of nanocrystals determines surface atomic arrangement and coordination, influencing their chemical and physical properties. We present a novel and…”
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Sulfonated poly(arylene ether sulfone) copolymer proton exchange membranes: composition and morphology effects on the methanol permeability
Published in Journal of membrane science (01-11-2004)“…Methanol permeability of directly copolymerized 4,4′-biphenol based disulfonated poly(arylene ether sulfone) copolymers (BPSH) was investigated with reference…”
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