Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Elo Kibena-Põldsepp"'
Autor:
Yogesh Kumar, Elo Kibena-Põldsepp, Srinu Akula, Jekaterina Kozlova, Arvo Kikas, Jaan Aruväli, Vambola Kisand, Kaupo Kukli, Kaido Tammeveski
Publikováno v:
Electrochemistry Communications, Vol 157, Iss , Pp 107623- (2023)
The focus in the development of catalysts doped with transition metals aims to replace platinum group metal catalysts in fuel cells. However, these non-precious metal catalysts exhibit limited performance in acidic environment for the oxygen reductio
Externí odkaz:
https://doaj.org/article/45759659aa424913ba0d0c7a927c13ed
Autor:
Yogesh Kumar, Srinu Akula, Elo Kibena-Põldsepp, Maike Käärik, Jekaterina Kozlova, Arvo Kikas, Jaan Aruväli, Vambola Kisand, Jaan Leis, Aile Tamm, Kaido Tammeveski
Publikováno v:
Materials, Vol 16, Iss 14, p 5105 (2023)
Rechargeable zinc-air batteries (RZAB) have gained significant attention as potential energy storage devices due to their high energy density, cost-effectiveness, and to the fact that they are environmentally safe. However, the practical implementati
Externí odkaz:
https://doaj.org/article/881d0a1ee40341d89e0fde1b1011eab8
Autor:
Jaana Lilloja, Marek Mooste, Elo Kibena-Põldsepp, Ave Sarapuu, Barr Zulevi, Arvo Kikas, Helle-Mai Piirsoo, Aile Tamm, Vambola Kisand, Steven Holdcroft, Alexey Serov, Kaido Tammeveski
Publikováno v:
Journal of Power Sources Advances, Vol 8, Iss , Pp 100052- (2021)
A novel and commercially available electrocatalyst is characterised and used as cathode catalyst in an anion-exchange membrane fuel cell (AEMFC). The catalyst material is prepared using VariPore™ method by Pajarito Powder, LLC, and as dopants iron
Externí odkaz:
https://doaj.org/article/dbf3de315d05491ea2b1ba7559144889
Autor:
Iris Palm, Elo Kibena-Põldsepp, Uno Mäeorg, Jekaterina Kozlova, Maike Käärik, Arvo Kikas, Jaan Leis, Vambola Kisand, Aile Tamm, Kaido Tammeveski
Publikováno v:
Electrochemistry Communications, Vol 125, Iss , Pp 106976- (2021)
In this study, two compounds (melamine phosphate and hexachlorocyclotriphosphazene) were used as nitrogen and phosphorus precursors to dope silicon carbide-derived carbon (SiCDC) with nitrogen and phosphorus moieties. The successful heteroatom doping
Externí odkaz:
https://doaj.org/article/9d57cf7fdebd405da2c473e035a2db04
Autor:
Roberta Sibul, Elo Kibena-Põldsepp, Uno Mäeorg, Maido Merisalu, Arvo Kikas, Vambola Kisand, Alexey Treshchalov, Väino Sammelselg, Kaido Tammeveski
Publikováno v:
Electrochemistry Communications, Vol 109, Iss , Pp - (2019)
It is highly desirable to synthesise heteroatom-doped carbon-based materials in an environmentally friendly and simple way, which possess good electrocatalytic activity towards the oxygen reduction reaction (ORR). Therefore, in this study, we focused
Externí odkaz:
https://doaj.org/article/d043e90b7a534ad29f592316df36e966
Autor:
Jaana Lilloja, Elo Kibena-Põldsepp, Maido Merisalu, Protima Rauwel, Leonard Matisen, Ahti Niilisk, Eduardo S. F. Cardoso, Gilberto Maia, Väino Sammelselg, Kaido Tammeveski
Publikováno v:
Catalysts, Vol 6, Iss 7, p 108 (2016)
The aim of this study is to compare the electrochemical behaviour of graphene-based materials of different origin, e.g., commercially available graphene nanosheets from two producers and reduced graphene oxide (rGO) towards the oxygen reduction react
Externí odkaz:
https://doaj.org/article/84d17ae8f442460ab0d3ecfa14c7d45f
Autor:
Jaana Lilloja, Elo Kibena-Põldsepp, Ave Sarapuu, Anastasiia Konovalova, Maike Käärik, Jekaterina Kozlova, Päärn Paiste, Arvo Kikas, Alexey Treshchalov, Jaan Aruväli, Andrea Zitolo, Jaan Leis, Aile Tamm, Vambola Kisand, Steven Holdcroft, Kaido Tammeveski
Publikováno v:
ACS Applied Energy Materials. 6:5519-5529
Autor:
Gourav Dhar Bhowmick, Makarand Madhao Ghangrekar, Ivar Zekker, Elo Kibena‐Põldsepp, Kaido Tammeveski, Michaela Wilhelm, Rintu Banerjee
Publikováno v:
International Journal of Energy Research. 46:20216-20227
Autor:
Iris Palm, Elo Kibena-Põldsepp, Marek Mooste, Jekaterina Kozlova, Maike Käärik, Arvo Kikas, Alexey Treshchalov, Jaan Leis, Vambola Kisand, Aile Tamm, Steven Holdcroft, Plamen Atanassov, Kaido Tammeveski
Publikováno v:
ACS Applied Energy Materials. 5:2949-2958
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