Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Elo Kibena-Põldsepp"'
Autor:
Elo Kibena-Põldsepp, Aile Tamm, Jekaterina Kozlova, Alexey Treshchalov, Scott J. Folkman, Jaan Aruväli, Kaido Tammeveski, Felipe A. Garcés-Pineda, Dario R. Dekel, John C. Douglin, Ilario Gelmetti, Yogesh Kumar, Mihkel Rähn, Arvo Kikas, José Ramón Galán-Mascarós, Vambola Kisand
Publikováno v:
ACS Applied Materials & Interfaces
Non-precious-metal catalysts are promising alternatives for Pt-based cathode materials in low-temperature fuel cells, which is of great environmental importance. Here, we have investigated the bifunctional electrocatalytic activity toward the oxygen
Autor:
Jekaterina Kozlova, Arvo Kikas, Elo Kibena-Põldsepp, Aile Tamm, Kaido Tammeveski, Maike Käärik, Yogesh Kumar, Jaan Aruväli, Jaan Leis, Vambola Kisand
Publikováno v:
ChemElectroChem. 8:2662-2670
Autor:
Elo Kibena-Põldsepp, Arvo Kikas, Andres Krumme, Jekaterina Kozlova, Sara Cavaliere, Viktoria Vassiljeva, Väino Sammelselg, Kaido Tammeveski, Marian Külaviir, Vambola Kisand, Marek Mooste, Maike Käärik, Jaan Leis, Steven Holdcroft
Publikováno v:
ChemCatChem
ChemCatChem, Wiley, 2020, 12 (18), pp.4568-4581. ⟨10.1002/cctc.202000658⟩
ChemCatChem, Wiley, 2020, 12 (18), pp.4568-4581. ⟨10.1002/cctc.202000658⟩
International audience
Autor:
Vambola Kisand, Maido Merisalu, Andres Krumme, Alexey Treshchalov, Marek Mooste, Elo Kibena-Põldsepp, Viktoria Vassiljeva, Mati Kook, Mai Uibu, Väino Sammelselg, Kaido Tammeveski
Publikováno v:
Journal of Materials Science. 54:11618-11634
In this work, polyacrylonitrile (PAN), styrene–acrylonitrile copolymer (SAN) and multi-walled carbon nanotubes (MWCNTs) composite fibres (PAN/SAN/CNT) were prepared by electrospinning. The electrospun fibres were further pyrolysed (800–1200 °C)
Autor:
Mati Kook, Kaido Tammeveski, Thamires Canuto de Almeida e Silva, Leonard Matisen, Väino Sammelselg, Elo Kibena-Põldsepp, Maido Merisalu, Michaela Wilhelm, Kurosch Rezwan, Marek Mooste
Publikováno v:
Catalysis Science & Technology. 9:854-866
Cobalt/nickel-containing SiOC-based porous ceramic electrocatalysts were prepared by pyrolysis of poly(methyl silsesquioxane) and poly(methyl phenyl silsesquioxane) as preceramic precursors combined with graphite and Co/Ni metal salts at 1000 °C in
Autor:
Mati Kook, Rintu Banerjee, Leonard Matisen, Karl-Kalev Türk, Ivar Kruusenberg, Elo Kibena-Põldsepp, Makarand M. Ghangrekar, Väino Sammelselg, A. Mitra, Kaido Tammeveski, Maido Merisalu, G. D. Bhowmick
Publikováno v:
International Journal of Hydrogen Energy. 43:23027-23035
For application in a microbial fuel cell (MFC), transition metal and nitrogen co-doped nanocarbon catalysts were synthesised by pyrolysis of multi-walled carbon nanotubes (MWCNTs) in the presence of iron- or cobalt chloride and nitrogen source. For t
Autor:
Päärn Paiste, Sander Ratso, Maido Merisalu, Alexey Treshchalov, Kaido Tammeveski, Maike Käärik, Moulay Tahar Sougrati, Jaan Aruväli, Steven Holdcroft, Väino Sammelselg, Mati Kook, Roberta Sibul, Vambola Kisand, Jaan Leis, Frédéric Jaouen, Elo Kibena-Põldsepp
Publikováno v:
ChemElectroChem
ChemElectroChem, Weinheim : Wiley-VCH, 2020, 7 (7), pp.1739-1747. ⟨10.1002/celc.202000011⟩
ChemElectroChem, 2020, 7 (7), pp.1739-1747. ⟨10.1002/celc.202000011⟩
ChemElectroChem, Weinheim : Wiley-VCH, 2020, 7 (7), pp.1739-1747. ⟨10.1002/celc.202000011⟩
ChemElectroChem, 2020, 7 (7), pp.1739-1747. ⟨10.1002/celc.202000011⟩
International audience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76e480adbc6a586b6e4fd9e8a6231e22
https://hal.umontpellier.fr/hal-02559382
https://hal.umontpellier.fr/hal-02559382
Autor:
Gilberto Maia, Maido Merisalu, Iris Palm, Jorge Luiz Raposo Junior, Elo Kibena-Põldsepp, Guilherme V. Fortunato, Anderson dos Santos Greco, Arvo Kikas, Vambola Kisand, Kaido Tammeveski, Eduardo S. F. Cardoso, Väino Sammelselg
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Oxygen reduction reaction (ORR) is greatly affected by the morphology as well as the elemental composition of the nitrogen-doped carbon-based electrocatalysts. Thus, this work focuses on: (i) nitrogen doping of different graphene-based materials (two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7f4160413520e3b5e5a075c6966319a
Autor:
Päärn Paiste, Väino Sammelselg, Kaido Tammeveski, Maike Käärik, Sander Ratso, Maido Merisalu, Jaan Leis, Roberta Sibul, Elo Kibena-Põldsepp, Mati Kook
Publikováno v:
Electrochemistry Communications, Vol 93, Iss, Pp 39-43 (2018)
Herein, for the first time, ball-milling of carbon materials (e.g. graphite, graphene oxide or graphene) in the presence of dicyandiamide (DCDA) followed by heat treatment at 800 °C was employed to synthesise N-doped carbons for the oxygen reduction
Autor:
Väino Sammelselg, Viktoria Vassiljeva, Leonard Matisen, Kaido Tammeveski, Andres Krumme, Vambola Kisand, Mati Kook, Maido Merisalu, Marek Mooste, Elo Kibena-Põldsepp
Publikováno v:
Catalysis Letters. 148:1815-1826
For the first time, the oxygen reduction reaction (ORR) is studied on pyrolysed electrospun multi-walled carbon nanotube (MWCNT) and styrene–acrylonitrile (SAN) composite fibre catalysts in alkaline medium. Scanning electron microscopy images revea