Zobrazeno 1 - 10
of 172
pro vyhledávání: '"Vambola Kisand"'
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:
Alexandra Nefedova, Kai Rausalu, Eva Zusinaite, Vambola Kisand, Mati Kook, Krisjanis Smits, Alexander Vanetsev, Angela Ivask
Publikováno v:
Heliyon, Vol 9, Iss 9, Pp e20067- (2023)
Due to the growing interest towards reducing the number of potentially infectious agents on critical high-touch surfaces, the popularity of antimicrobially and antivirally active surfaces, including textiles, has increased. The goal of this study was
Externí odkaz:
https://doaj.org/article/de40cd7ca5b84a5dbcf2d0574fdf522e
Autor:
Alexandra Nefedova, Kai Rausalu, Eva Zusinaite, Alexander Vanetsev, Merilin Rosenberg, Kairi Koppel, Stevin Lilla, Meeri Visnapuu, Krisjanis Smits, Vambola Kisand, Tanel Tätte, Angela Ivask
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract Nanomaterials are prospective candidates for the elimination of viruses due to their multimodal mechanisms of action. Here, we tested the antiviral potential of a largely unexplored nanoparticle of cerium dioxide (CeO2). Two nano-CeO2 with o
Externí odkaz:
https://doaj.org/article/207e878cc27c4627ab6015a36eca1453
Publikováno v:
Proceedings, Vol 92, Iss 1, p 43 (2023)
With the increasing trend of hard-to-treat microbial infections, including multiresistant nosocomial infections, food-related outbreaks, and the rapid spread of potentially infectious microbes in the common spaces of densely populated areas, awarenes
Externí odkaz:
https://doaj.org/article/e0aed1e0fe8f4b5c94a486e6cb44532a
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
Publikováno v:
ACS Omega, Vol 6, Iss 8, Pp 5255-5265 (2021)
Externí odkaz:
https://doaj.org/article/b5f4a9f4698c49159053b000db0f025e