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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials in Clean Power
Presentation Title Nickel-doped Titania Nanotube Arrays and Their Application in Hydrogen Production
Author(s) Joaquin Tirano Vanegas, Hugo Zea, Claudia Luhrs
On-Site Speaker (Planned) Joaquin Tirano Vanegas
Abstract Scope Highly ordered titanate nanotube arrays (TNTs) have been widely used for photoelectrochemical applications due to their electronic structure, light absorption properties and capability to generate charge carriers. In this study, to further improve the photoelectrocatalysis activity of TNTs, noble-metal-free, Ni-TNTs were prepared. Controlled morphology TNTs were produced through anodic oxidation of Ti or Ti-Ni alloy foils, followed by annealing in air or reducing atmospheres. Titania nanotube arrays were also loaded with Ni using other approaches, such as wet impregnation or simultaneous electrodeposition methods. The morphology, crystalline components present and thermal behavior of bare TNTs and Ni-doped TNTs were characterized by XRD, SEM, EDS and TGA. The photoelectrocatalytic performance of Ni-TNTs specimens was evaluated for the hydrogen evolution reaction under UV–Visible conditions.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)


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Corrosion of Energy System Materials in Supercritical Carbon Dioxide (sCO2)
Creep-Fatigue-Oxidation Interactions under Fossil Energy Service Conditions
Defect Chemistry of Black Anatase TiO2: An Ab Initio Study
Early Stage Oxidation of Alloy 617 in CO2 Power Cycle Environments
Effect of Pressure and Thermal Cycling on Compatibility in CO2 for Concentrated Solar Power Applications
High Temperature Oxidation of Ni-base Alloys and Stainless Steels in Supercritical CO2 for Power Systems Applications
Manipulating Creep through Modifying Gamma Prime Coarsening Rate in Haynes 282 for A-USC Power Plants
Microstructural Stability of High Cr Containing FeCrAl Alloys with Minor Alloying Additions
Nickel-doped Titania Nanotube Arrays and Their Application in Hydrogen Production
Pb-Bi-Sb and Pb-Bi-Ge: Novel Alternative Alloys for Application as Heat-transport Fluids in Concentrated Solar Power Systems
Phase Relation Prediction for AgxCu1-xGayIn1-ySe2 PV Absorber Layers
Solid-State, High-Shear Manufacturing to Enable Lower Cost and Higher Performance Materials for Energy Conversion
The Composite Materials with Semiconductor and Ionic Conductor for Novel Low Temperature Solid Oxide Fuel Cells
The Impacts of Alternative Fuels and Associated High Water Vapor Content Environments on the Stability and Aging of Turbine Hot-Section Materials
Transient Liquid Phase Bonding of Ni-based-superalloy-H230 for Microchannel Heat Exchanger for Application in Supercritical CO2 Cycles

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