Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Kaido Tammeveski"'
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:
Arvo Kikas, Kaido Tammeveski, Päärn Paiste, Jaan Aruväli, Aile Tamm, Mihkel Rähn, Alexey Treshchalov, Helle-Mai Piirsoo, Vambola Kisand, Väino Sammelselg, Ave Sarapuu, Jaan Leis, Maike Käärik, Kaarel Kisand
Publikováno v:
Electrochemistry Communications, Vol 124, Iss, Pp 106932-(2021)
High-performance bi- and trimetallic nitrogen-doped nanocarbon catalysts for the electrochemical oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) were prepared by high-temperature pyrolysis from 5-methylresorcinol, dicyandiamide an
Autor:
Leonard Matisen, Nadezda Kongi, Kaido Tammeveski, Sajid Hussain, Väino Sammelselg, Jekaterina Kozlova
Publikováno v:
Electrochemistry Communications, Vol 81, Iss, Pp 79-83 (2017)
A systematic study on the electrocatalytic properties of Pt nanoparticles supported on nitrobenzene-modified graphene (Pt-NB/G) as catalyst for oxygen reduction reaction (ORR) in alkaline solution was performed. Graphene nanosheets were spontaneously
Publikováno v:
Electrochemistry Communications, Vol 64, Iss, Pp 9-13 (2016)
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Carbon-supported Pd nanocubes with the size of 30, 10 and 7 nm were prepared and their electrocatalytic activity towards the oxygen reduction reaction (ORR) in alkaline solution was studied. For comparison carbon-supported spherical Pd nanoparticles
Autor:
Vambola Kisand, Maido Merisalu, Roberta Sibul, Arvo Kikas, Alexey Treshchalov, Elo Kibena-Põldsepp, Kaido Tammeveski, Väino Sammelselg, Uno Mäeorg
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
Autor:
Jekaterina Kozlova, Elo Kibena, Margus Marandi, Kaido Tammeveski, Väino Sammelselg, Marek Mooste
Publikováno v:
Electrochemistry Communications, Vol 35, Iss, Pp 26-29 (2013)
Morphological and electrochemical properties of graphene sheets grown by chemical vapour deposition (CVD) onto Ni foil were investigated. Glassy carbon (GC) and highly oriented pyrolytic graphite (HOPG) electrodes were used for comparison. Raman spec
Publikováno v:
Electrochemistry Communications, Vol 33, Iss, Pp 18-22 (2013)
Fe phthalocyanine (FePc) and Co porphyrin (CoPh) modified reduced graphene oxide (rGO) nanosheets were used as non-noble metal electrocatalysts for oxygen reduction reaction (ORR). The surface morphology, graphitisation and surface composition of the
Publikováno v:
Electrochemistry Communications, Vol 29, Iss, Pp 33-36 (2013)
Aryl layers on glassy carbon and gold electrodes were degraded by hydroxyl radicals from UV photolysis of hydrogen peroxide. The electrode surfaces were modified via electrochemical reduction of two structurally different azobenzene diazonium derivat
Autor:
Heiki Erikson, Ave Sarapuu, Lauri Tammeveski, Peeter Ritslaid, Jekaterina Kozlova, Kaido Tammeveski, Väino Sammelselg
Publikováno v:
Electrochemistry Communications, Vol 20, Iss, Pp 15-18 (2012)
The electrochemical reduction of oxygen was studied on Ag nanoparticle/multi-walled carbon nanotube (AgNP/MWCNT) nanocomposites in alkaline solution employing the rotating disk electrode (RDE) method. The composite material was prepared by sputter de
Publikováno v:
Electrochemistry Communications, Vol 13, Iss 7, Pp 734-737 (2011)
The electrochemical reduction of oxygen on cubic Pd nanoparticles (PdNPs) was studied in acid solution using the rotating disk electrode (RDE) method. The electrocatalytic properties of Pd nanocubes were compared with those of spherical PdNPs and bul