Transition nickel/cobalt phosphates: an advanced cathode for hybrid supercapacitors

SJ Marje, HB Tyagaraj, SK Hwang, GSR Raju… - Journal of Materials …, 2023 - pubs.rsc.org
Transition metal phosphates (TMPs) are a new class of materials and are attracting
enormous attention as potential supercapacitor (SC) cathodes due to their redox-active …

Addressing electrocatalytic activity of metal-substituted lanthanum manganite for the hydrogen evolution reaction

P Sfirloaga, BO Taranu, M Poienar, P Vlazan - Surfaces and Interfaces, 2023 - Elsevier
A comparative electrochemical study between unsubstituted LaMnO 3 (LMO) and Ca (LMO-
Ca) or Pd (LMO-Pd) substituted LaMnO 3, synthesized by the sol-gel method, followed by …

Reconstruction of Ni–Co Phosphites Precatalyst into Metal Oxyhydroxides for Durable Full Water Electrolyzer Cell

SC Sekhar, B Ramulu, MH Han… - Acs Sustainable …, 2022 - ACS Publications
Developing cost-effective and catalytically high active noble-metal-free electrocatalysts is of
great importance for high-performance and long-durable water electrolysis systems. Herein …

Catalytic properties of free-base porphyrin modified graphite electrodes for electrochemical water splitting in alkaline medium

BO Taranu, E Fagadar-Cosma - Processes, 2022 - mdpi.com
Hydrogen generation via electrochemical water splitting is considered an eco-friendly
pathway for obtaining this desired alternative energy source, and it has triggered an …

New functional hybrid materials based on clay minerals for enhanced electrocatalytic activity

BO Taranu, P Vlazan, P Svera, M Poienar… - Journal of Alloys and …, 2022 - Elsevier
Hybrid materials based on montmorillonite functionalized with LaMnO 3 perovskitic
structures were obtained for the first time by ultrasonic method with sonotrode immersed in …

Electrochemical investigation of the OER activity for nickel phosphite-based compositions and its morphology-dependent fluorescence properties

M Poienar, P Svera, BO Taranu, C Ianasi, P Sfirloaga… - Crystals, 2022 - mdpi.com
Herein, we present the investigation of catalytical and fluorescence properties for Ni11
(HPO3) 8 (OH) 6 materials obtained through a hydrothermal approach. As part of the …

Disclosing the thermal behaviour, electrochemical and optical properties of synthetic Fe3(PO4)2(OH)2 materials

M Poienar, BO Taranu, P Svera, P Sfirloaga… - Journal of Thermal …, 2022 - Springer
In this research paper, the thermal behaviour of the mixed valence iron oxides Fe3 (PO4) 2
(OH) 2 is presented in both air and vacuum atmosphere. The structure, morphology and the …

Investigation of Catalytic and Photocatalytic Degradation of Methyl Orange Using Doped LaMnO3 Compounds

P Sfirloaga, MG Ivanovici, M Poienar, C Ianasi… - Processes, 2022 - mdpi.com
LaMnO3 and 1% Pd-, Ag-, or Y-doped perovskite type nanomaterials were prepared by the
sol-gel method, followed by heat treatment at a low temperature (600° C for 6 h). The …

The PH Influence on the Water-Splitting Electrocatalytic Activity of Graphite Electrodes Modified with Symmetrically Substituted Metalloporphyrins

BO Taranu, E Fagadar-Cosma - Nanomaterials, 2022 - mdpi.com
Hydrogen, considered to be an alternative fuel to traditional fossil fuels, can be generated by
splitting water molecules into hydrogen and oxygen via the use of electrical energy, in a …

Free-Base Porphyrin Aggregates Combined with Nickel Phosphite for Enhanced Alkaline Hydrogen Evolution

BO Taranu, E Fagadar-Cosma, P Sfirloaga, M Poienar - Energies, 2023 - mdpi.com
In response to the escalating global energy requests and the need to address them in a
sustainable manner, researchers have identified hydrogen as an energy vector that provides …