Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Nadezda Alexeyeva"'
Autor:
Kaido Tammeveski, Nadezda Alexeyeva, Väino Sammelselg, Jekaterina Kozlova, Kristel Jukk, Peeter Ritslaid
Publikováno v:
Journal of Electroanalytical Chemistry. 708:31-38
Platinum nanoparticles supported on multi-walled carbon nanotubes (PtNP/MWCNT) were prepared using the magnetron sputtering technique and used as electrocatalysts for oxygen reduction reaction (ORR). Cyclic voltammetry and the rotating disk electrode
Autor:
Martin Couillard, Kristiina Tiido, Kaido Tammeveski, Christina Bock, Barry MacDougall, Nadezda Alexeyeva
Publikováno v:
Electrochimica Acta. 107:509-517
A nano-sized Pt catalyst supported onto titanium dioxide functionalized graphene nanosheets (TiO 2 -FGSs) was prepared using the polyol method and utilized for a catalyst activity investigation toward the oxygen reduction reaction (ORR). The electroc
Autor:
Nadezda Alexeyeva, Jekaterina Kozlova, Kristel Jukk, Ave Sarapuu, Peeter Ritslaid, Väino Sammelselg, Kaido Tammeveski
Publikováno v:
International Journal of Hydrogen Energy. 38:3614-3620
The electrochemical reduction of oxygen on Pd nanoparticle/multi-walled carbon nanotube (PdNP/MWCNT) catalysts was studied in acid and alkaline solutions using the rotating disk electrode (RDE) method. The PdNP/MWCNT nanocomposites were prepared by s
Autor:
Nadezda Alexeyeva, Kristel Jukk, Jekaterina Kozlova, Väino Sammelselg, Kaido Tammeveski, Peeter Ritslaid
Publikováno v:
Electrocatalysis. 4:42-48
Palladium nanoparticle/multi-walled carbon nanotube (PdNP/MWCNT) composites were prepared using magnetron sputtering of Pd followed by heat treatment at different temperatures. The oxygen reduction experiments were performed to evaluate the PdNP/MWCN
Publikováno v:
Journal of Electroanalytical Chemistry. 666:67-75
The electrochemical reduction of oxygen was studied on multi-walled carbon nanotube-supported palladium nanoparticle (PdNP/MWCNT) modified glassy carbon (GC) electrodes. The catalyst materials were prepared using two different methods and their elect
Autor:
Juan M. Feliu, Kaido Tammeveski, José Solla-Gullón, Nadezda Alexeyeva, Heiki Erikson, Ave Sarapuu
Publikováno v:
Electrochimica Acta. 59:329-335
The electrocatalytic properties of cubic palladium nanoparticles towards the electrochemical reduction of oxygen were studied in acid and alkaline solutions and compared with those of spherical nanoparticles and bulk Pd. The synthesised Pd nanopartic
Autor:
Leonard Matisen, Nadezda Alexeyeva, Juan M. Feliu, Jekaterina Kozlova, José Solla-Gullón, Väino Sammelselg, Kaido Tammeveski, Ivar Kruusenberg
Publikováno v:
Carbon. 49:4031-4039
The oxygen reduction reaction has been investigated on acid-treated single-walled (SWCNT) and multi-walled carbon nanotubes (MWCNT) modified glassy carbon (GC) electrodes in acid media using the rotating disk electrode (RDE) method. Different acids w
Autor:
Francisco J. Vidal-Iglesias, Ave Sarapuu, Nadezda Alexeyeva, Kaido Tammeveski, Juan M. Feliu, José Solla-Gullón
Publikováno v:
Electrochimica Acta. 56:6702-6708
The kinetics of O2 reduction on novel electrocatalyst materials deposited on carbon substrates were studied using the rotating disk electrode (RDE) technique. Palladium nanoparticles and Pd–M (PdCo and PdFe) nanoalloys supported on Vulcan XC-72R we
Publikováno v:
Journal of Electroanalytical Chemistry. 648:169-175
The electrochemical reduction of oxygen was studied on vertically aligned N-doped carbon nanotube (NCNT) modified glassy carbon (GC) electrodes in 0.5 M H2SO4 and in 0.1 M KOH solutions using the rotating disk electrode (RDE) method. For comparison p
Autor:
Kaido Tammeveski, J. Kozlova, Nadezda Alexeyeva, Väino Sammelselg, Peeter Ritslaid, Hugo Mändar
Publikováno v:
Applied Surface Science. 256:3040-3046
A novel type of gold nanoparticle/multi-walled carbon nanotube (AuNP/MWCNT) composite electrodes is presented. The electrochemical reduction of oxygen on these hybrid electrodes was studied using the rotating disk electrode (RDE) method. The AuNP/MWC