Results 11 to 20 of about 154,184 (251)

Electrocatalysis on Pt/YSZ electrodes [PDF]

open access: yes, 2001
Electrochemical polarization of porous metal electrodes on solid electrolytes often leads to an increase of their catalytic activity in heterogeneous reactions.
Imbihl, R.   +2 more
core   +1 more source

The Steady-State Transport of Oxygen through Hemoglobin Solutions [PDF]

open access: yes, 1966
The steady-state transport of oxygen through hemoglobin solutions was studied to identify the mechanism of the diffusion augmentation observed at low oxygen tensions. A novel technique employing a platinum-silver oxygen electrode was developed to measure
Friedlander, S. K., Keller, K. H.
core   +2 more sources

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

open access: yesAdvanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller   +6 more
wiley   +1 more source

Fabrication of bifunctional membrane electrode assemblies for unitised regenerative polymer electrolyte fuel cells [PDF]

open access: yes, 2006
Bifunctional membrane electrode assemblies have been fabricated using a screen printing technique, which demonstrate a repeatable and stable operation to cell current and voltages.
Harrison, DJ, Pettersson, J, Ramsey, BJ
core   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

New Gas Polarographic Hydrogen Sensor [PDF]

open access: yes, 2004
Polarography is the measurement of the current that flows in solution as a function of an applied voltage. The actual form of the observed polarographic current depends upon the manner in which the voltage is applied and on the characteristics of the ...
Barile, Ron, Dominguez, Jesus A.
core   +1 more source

Investigations of Zr(IV) in LiF-CaF2: stability with oxide ions and electroreduction pathway on inert and reactive electrodes [PDF]

open access: yes, 2013
In this work, a detailed electrochemical study of the molten LiF-CaF2-ZrF4 system is provided in the 810-920°C temperature range, allowing the determination of the reduction potential, the diffusion coefficient and the reduction mechanism of dissolved Zr(
Cassayre, Laurent   +4 more
core   +4 more sources

Characterization of a Recyclate‐Based MgO‐Steel Composite As‐Sintered Inert Anode Candidate After Exposure to Cryolite Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon‐free inert anodes are essential for decarbonizing aluminum electrolysis. This study investigates a recyclate‐based MgO‐316L steel composite anode tested under galvanostatic Hall–Héroult conditions in cryolite at 1000°C. Microstructural analysis reveals selective MgO fluorination, spinel and oxide layer formation, electrolyte infiltration, and ...
Serhii Yaroshevskyi   +7 more
wiley   +1 more source

Mechanism of operation of the TFE-bonded gas-diffusion electrode [PDF]

open access: yes, 1970
Mathematical analytical model predicts the performance of an electrode as a function of certain measurable physical characteristics. Concept assumes the catalyst particles form porous electrically conductive agglomerates which are completely flooded with
Giner, J., Hunter, C.
core   +1 more source

New electrodes for silver(II) electrogeneration:comparison between Ti/Pt, Nb/Pt, and Nb/BDD [PDF]

open access: yes, 2012
Electrochemical processes based on the regeneration of silver (II) are very efficient for the destruction or dissolution of persistent substances. The aim of this work is to assess new anode materials to replace the conventional platinum electrode.
Bertrand, Nathalie   +4 more
core   +4 more sources

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