Zobrazeno 1 - 10
of 186
pro vyhledávání: '"Arvo Kikas"'
Autor:
Jaana Lilloja, Oluwaseun E. Fetuga, Elo Kibena‐Põldsepp, Arvo Kikas, Maike Käärik, Jaan Aruväli, Jekaterina Kozlova, Alexey Treshchalov, Vambola Kisand, Jaan Leis, Kaupo Kukli, Kaido Tammeveski
Publikováno v:
ChemElectroChem, Vol 11, Iss 19, Pp n/a-n/a (2024)
Abstract In this work, iron‐ and nitrogen‐doped carbide‐derived carbon and carbon nanotube (CDC/CNT) composites are prepared and used as oxygen reduction reaction (ORR) electrocatalysts in acidic conditions. Three different approaches are taken
Externí odkaz:
https://doaj.org/article/18271e25dc6643ebacde5713e0bd655e
Autor:
Madis Lüsi, Heiki Erikson, Maike Käärik, Helle-Mai Piirsoo, Jaan Aruväli, Arvo Kikas, Vambola Kisand, Jaan Leis, Kaupo Kukli, Kaido Tammeveski
Publikováno v:
Nanomaterials, Vol 14, Iss 12, p 994 (2024)
We explored two methods for synthesizing Pd nanoparticles using three different carbide-derived carbon (CDC) support materials, one of which was nitrogen-doped. These materials were studied for oxygen reduction reaction (ORR) in 0.1 M KOH solution, a
Externí odkaz:
https://doaj.org/article/9a920a06b51b4754a92c19de56bc242d
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:
Kaur Muuli, Dr. Marek Mooste, Dr. Srinu Akula, Dr. Viktoria Gudkova, Markus Otsus, Dr. Arvo Kikas, Dr. Jaan Aruväli, Dr. Alexey Treshchalov, Dr. Vambola Kisand, Dr. Aile Tamm, Prof. Andres Krumme, Prof. Sara Cavaliere, Prof. Kaido Tammeveski
Publikováno v:
ChemElectroChem, Vol 10, Iss 17, Pp n/a-n/a (2023)
Abstract A Pt‐free cathode catalyst is necessary for proton‐exchange membrane fuel cell (PEMFC) to enable the widespread use of these environmentally friendly energy conversion devices at affordable price. Herein, a pyrolyzed electrospun carbon n
Externí odkaz:
https://doaj.org/article/459bfc8b5b4041bb927b2357993d3510
Autor:
Sanni M. A. Färkkilä, Monika Mortimer, Raivo Jaaniso, Anne Kahru, Valter Kiisk, Arvo Kikas, Jekaterina Kozlova, Imbi Kurvet, Uno Mäeorg, Maarja Otsus, Kaja Kasemets
Publikováno v:
Nanomaterials, Vol 14, Iss 1, p 10 (2023)
Plant resource sharing mediated by mycorrhizal fungi has been a subject of recent debate, largely owing to the limitations of previously used isotopic tracking methods. Although CdSe/ZnS quantum dots (QDs) have been successfully used for in situ trac
Externí odkaz:
https://doaj.org/article/809ad0221e344f0497056b9755a61a13
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:
Kaur Muuli, Rohit Kumar, Marek Mooste, Viktoria Gudkova, Alexey Treshchalov, Helle-Mai Piirsoo, Arvo Kikas, Jaan Aruväli, Vambola Kisand, Aile Tamm, Andres Krumme, Prabu Moni, Michaela Wilhelm, Kaido Tammeveski
Publikováno v:
Materials, Vol 16, Iss 13, p 4626 (2023)
The goal of achieving the large-scale production of zero-emission vehicles by 2035 will create high expectations for electric vehicle (EV) development and availability. Currently, a major problem is the lack of suitable batteries and battery material
Externí odkaz:
https://doaj.org/article/7996691851e746549c04d5f9dd9e6fca
Autor:
Jonas Mart Linge, Heiki Erikson, Peeter Ritslaid, Arvo Kikas, Vambola Kisand, Jaan Aruväli, Jekaterina Kozlova, Aile Tamm, Ave Sarapuu, Kaido Tammeveski
Publikováno v:
Catalysts, Vol 13, Iss 6, p 976 (2023)
As energy demand increases, new energy conversion methods are also sought. In this study, two MnO2 and multiwalled carbon nanotube (MWCNT) composites were prepared and decorated with silver using magnetron sputtering, to evaluate their electrocatalyt
Externí odkaz:
https://doaj.org/article/657000403a704a8388eae694e2a6aa5e
Autor:
Kaur Muuli, Andri Sokka, Marek Mooste, Jaana Lilloja, Viktoria Gudkova, Maike Käärik, Markus Otsus, Arvo Kikas, Vambola Kisand, Aile Tamm, Jaan Leis, Andres Krumme, Steven Holdcroft, José H. Zagal, Kaido Tammeveski
Publikováno v:
Journal of Catalysis. 422:117-130
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