Hierarchical porous carbon foam electrodes fabricated from waste polyurethane elastomer template for electric double-layer capacitors

Autor: Mahitha Udayakumar, Pál Tóth, Henrik Wiinikka, Jaskaran Singh Malhotra, Blaz Likozar, Saso Gyergyek, Anett Katalin Leskó, Ravikumar Thangaraj, Zoltán Németh

Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)

Abstract Plastic waste has become a major global environmental concern. The utilization of solid waste-derived porous carbon for energy storage has received widespread attention in recent times. Herein, we report the comparison of electrochemical per

Externí odkaz: https://doaj.org/article/b9bd2f527e944c51b8374111dd995996

Critical thinking on baseline corrections for electrochemical surface area (ECSA) determination of Pt/C through H-adsorption/H-desorption regions of a cyclic voltammogram

Autor: Raghunandan Sharma, Saso Gyergyek, Shuang Ma Andersen

Publikováno v: Sharma, R, Gyergyek, S & Andersen, S M 2022, ' Critical thinking on baseline corrections for electrochemical surface area (ECSA) determination of Pt/C through H-adsorption/H-desorption regions of a cyclic voltammogram ', Applied Catalysis B: Environmental, vol. 311, 121351 . https://doi.org/10.1016/j.apcatb.2022.121351

Determination of the electrochemical surface area (ECSA) of platinum supported on carbon (Pt/C) electrocatalysts through the hydrogen adsorption/desorption region has been revisited. Conventionally, ECSA is calculated by using the area of the H-adsor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa2358ee2c730e802dc0ca6ec54a4da6
https://findresearcher.sdu.dk:8443/ws/files/201700884/Critical_thinking_on_baseline_corrections_for_electrochemical_surface_area_ECSA_determination_of_Pt_C_through_H_adsorption_H_desorption_regions_of_a_cyclic_voltammogram_Elsevier_Enhanced_Reader.pdf

Magnetic nanostructures functionalized with a derived lysine coating applied to simultaneously remove heavy metal pollutants from environmental systems

Autor: Olivija Plohl, Marjana Simonič, Ken Kolar, Sašo Gyergyek, Lidija Fras Zemljič

Publikováno v: Science and Technology of Advanced Materials, Vol 22, Iss 1, Pp 55-71 (2021)

The pollution of environmental systems with heavy metals is becoming a serious problem worldwide. These contaminants are one of the main issues in sludge (which is considered waste) and can even have harmful effects if the sludge is not treated prope

Externí odkaz: https://doaj.org/article/cfb53abb59b245c7ba8e40eb6da65cfc

Nanocomposites comprised of homogeneously dispersed magnetic iron-oxide nanoparticles and poly(methyl methacrylate)

Autor: Sašo Gyergyek, David Pahovnik, Ema Žagar, Alenka Mertelj, Rok Kostanjšek, Miloš Beković, Marko Jagodič, Heinrich Hofmann, Darko Makovec

Publikováno v: Beilstein Journal of Nanotechnology, Vol 9, Iss 1, Pp 1613-1622 (2018)

Nanocomposites with a high, uniform loading of magnetic nanoparticles are very desirable for applications such as electromagnetic shielding and cancer treatment based on magnetically induced hyperthermia. In this study, a simple and scalable route fo

Externí odkaz: https://doaj.org/article/495578ffe9f349cbbf6ad5a8fc0b2836

Solvent-Free Mechanochemical Synthesis and Characterization of Nickel Tellurides with Various Stoichiometries: NiTe, NiTe2 and Ni2Te3

Autor: Matjaž Kristl, Sašo Gyergyek, Srečo D. Škapin, Janja Kristl

Publikováno v: Nanomaterials, Vol 11, Iss 8, p 1959 (2021)

The paper reports the synthesis of nickel tellurides via a mechanochemical method from elemental precursors. NiTe, NiTe2, and Ni2Te3 were prepared by milling in stainless steel vials under nitrogen, using milling times from 1 h to 12 h. The products

Externí odkaz: https://doaj.org/article/f9bd8643c587464aa529a50f8019abb6