Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Elena Carcadea"'
Publikováno v:
Nanomaterials, Vol 13, Iss 7, p 1233 (2023)
Nitrogen-doped graphene is currently recognized as one of the most promising catalysts for the oxygen reduction reaction (ORR). It has been demonstrated to act as a metal-free electrode with good electrocatalytic activity and long-term operation stab
Externí odkaz:
https://doaj.org/article/1c94d4858c4b428390fc1f4894b12c1e
Autor:
Adriana MARINOIU, Radu ANDREI, Irina VAGNER, Violeta NICULESCU, Felicia BUCURA, Marius CONSTANTINESCU, Elena CARCADEA
Publikováno v:
Medžiagotyra, Vol 26, Iss 3, Pp 249-254 (2020)
Microwave (MW) assisted processes become more and more used in the synthesis and alteration of graphene materials. This technique brings some various advantages compare to the classical ones because it is a green, low-cost, environmentally-friendly p
Externí odkaz:
https://doaj.org/article/225379f37b8442bd8b7c614f8bc5f311
Autor:
Daniela Ion-Ebrașu, Radu Dorin Andrei, Stanică Enache, Simona Căprărescu, Constantin Cătălin Negrilă, Cătălin Jianu, Adrian Enache, Iulian Boerașu, Elena Carcadea, Mihai Varlam, Bogdan Ștefan Vasile, Jianwei Ren
Publikováno v:
Materials, Vol 14, Iss 17, p 4952 (2021)
Three-dimensional graphene foam (3D-GrFoam) is a highly porous structure and sustained lattice formed by graphene layers with sp2 and sp3 hybridized carbon. In this work, chemical vapor deposition (CVD)—grown 3D-GrFoam was nitrogen-doped and platin
Externí odkaz:
https://doaj.org/article/5ea8b6c8f76543e1b0720ceeec0ad66a
Autor:
Adriana MARINOIU, Mircea RACEANU, Elena CARCADEA, Mihai VARLAM, Amalia SOARE, Ioan STEFANESCU
Publikováno v:
Medžiagotyra, Vol 23, Iss 2, Pp 108-113 (2017)
Aiming a commercial development of proton exchange membrane fuel cells (PEMFC), a low cost, sustainable and high performance electrocatalyst for oxygen reduction reaction (ORR) with capability to replace/reduce rare metals, are high desirable. In thi
Externí odkaz:
https://doaj.org/article/7b11dd416e1c462aa970a478a01e56f3
Autor:
Ioan-Sorin Sorlei, Nicu Bizon, Phatiphat Thounthong, Mihai Varlam, Elena Carcadea, Mihai Culcer, Mariana Iliescu, Mircea Raceanu
Publikováno v:
Energies, Vol 14, Iss 1, p 252 (2021)
With the development of technologies in recent decades and the imposition of international standards to reduce greenhouse gas emissions, car manufacturers have turned their attention to new technologies related to electric/hybrid vehicles and electri
Externí odkaz:
https://doaj.org/article/68da65561d02405ca5ba9ee54e3047f4
Autor:
Nicu Bizon, Mihai Oproescu, Phatiphat Thounthong, Mihai Varlam, Elena Carcadea, Mihai Culcer, Mariana Iliescu, Maria Simona Raboaca, Ioan Sorin Sorlei
Publikováno v:
Applied Sciences, Vol 10, Iss 22, p 8310 (2020)
In this study, the performance and safe operation of the fuel cell (FC) system and battery-based energy storage system (ESS) included in an FC/ESS/renewable hybrid power system (HPS) is fully analyzed under dynamic load and variable power from renewa
Externí odkaz:
https://doaj.org/article/b7544903b56b4e4d92f9458f06aca851
Autor:
Nicu Bizon, Mircea Raceanu, Emmanouel Koudoumas, Adriana Marinoiu, Emmanuel Karapidakis, Elena Carcadea
Publikováno v:
Energies, Vol 13, Iss 22, p 6111 (2020)
In this paper, the optimal and safe operation of a hybrid power system based on a fuel cell system and renewable energy sources is analyzed. The needed DC power resulting from the power flow balance on the DC bus is ensured by the FC system via the a
Externí odkaz:
https://doaj.org/article/696768181ecc4c18b1ea67484c7fb619
Publikováno v:
Energies, Vol 13, Iss 11, p 3029 (2020)
Electrospun fibers with different concentrations of polyacrylonitrile (PAN) were synthesized and the results are reported in this study. The aim was to obtain carbon nanofibers for manufacturing gas diffusion layers for proton exchange membrane (PEM)
Externí odkaz:
https://doaj.org/article/37eb7c103b544b88a2a9f40b565ca192
Autor:
Dan-Adrian Mocanu, Viorel Bădescu, Ciprian Bucur, Iuliana Ștefan, Elena Carcadea, Maria Simona Răboacă, Ioana Manta
Publikováno v:
Energies, Vol 13, Iss 8, p 1917 (2020)
The Stirling engine together with a solar concentrator represents a solution for increasing energy efficiency. Thus, within the National Research and Development Institute for Cryogenic and Isotopic Technologies, an automation system was designed and
Externí odkaz:
https://doaj.org/article/b58c4555a8604b748341c969c3a3f3d0
Autor:
Nicu Bizon, Noureddine Takorabet, Phatiphat Thounthong, Mihai Varlam, Elena Carcadea, Mircea Raceanu
Publikováno v:
2022 14th International Conference on Electronics, Computers and Artificial Intelligence (ECAI).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5edc0e566050cec8e9eb0651f522937
https://doi.org/10.1109/ecai54874.2022.9847511
https://doi.org/10.1109/ecai54874.2022.9847511