[HTML][HTML] Formation of the active site structures during pyrolysis transformation of Fe-phthalocyanine into Fe-Nx-C electrocatalysts for the oxygen reduction reaction

M Muhyuddin, E Berretti, SA Mirshokraee… - Applied Catalysis B …, 2024 - Elsevier
Fe-N xC electrocatalysts for the oxygen reduction reaction are typically fabricated via
pyrolysis. However, the pyrolysis process is poorly understood. Therefore, a systematic …

Varying the morphology of Fe-NC electrocatalysts by templating Iron Phthalocyanine precursor with different porous SiO2 to promote the Oxygen Reduction Reaction

AHAM Videla, L Osmieri, M Armandi, S Specchia - Electrochimica Acta, 2015 - Elsevier
Iron phtalocyanine (FePc) is used as iron/nitrogen/carbon source to synthesized Fe-NC
electrocatalysts for ORR by pyrolysis treatment in inert atmosphere for 2 h. Various …

Kinetic Insights into the Mechanism of Oxygen Reduction Reaction on Fe2O3/C Composites

S Arya Gopal, A Edathiparambil Poulose… - … applied materials & …, 2021 - ACS Publications
Since the inception of cobalt phthalocyanine for oxygen reduction reaction (ORR), non-
platinum group metals have been the central focus in the area of fuel-cell electrocatalysts …

Iron (II) phthalocyanine (FePc) over carbon support for oxygen reduction reaction electrocatalysts operating in alkaline electrolyte

MAC De Oliveira, VCA Ficca, R Gokhale… - Journal of Solid State …, 2021 - Springer
In this work, we initially report a detailed advancement in the utilization of metal-N 4 chelate
macrocycles in the oxygen reduction reaction (ORR). Then, iron (II) phthalocyanines …

Heat treated carbon supported iron (ii) phthalocyanine oxygen reduction catalysts: elucidation of the structure–activity relationship using X-ray absorption …

HA Miller, M Bellini, W Oberhauser, X Deng… - Physical Chemistry …, 2016 - pubs.rsc.org
This paper focuses on studying the influence of the heat treatment on the structure and
activity of carbon supported Fe (II) phthalocyanine (FePc/C) oxygen reduction reaction …

Tailoring active sites of iron-nitrogen-carbon catalysts for oxygen reduction in alkaline environment: Effect of nitrogen-based organic precursor and pyrolysis …

W da Silva Freitas, A D'Epifanio, VCA Ficca, E Placidi… - Electrochimica …, 2021 - Elsevier
Fe-NC catalysts were synthesized from a nitrogen and iron wet impregnation of carbon black
pearls followed by pyrolysis steps. Three different nitrogen sources (dopamine, imidazole …

A comparative study of iron phthalocyanine electrocatalysts supported on different nanocarbons for oxygen reduction reaction

J Yang, J Tao, T Isomura, H Yanagi, I Moriguchi… - Carbon, 2019 - Elsevier
Developing non-platinum electrocatalyst with high performance and durability is strongly
desired for the next-generation low-cost fuel cells. Here, we present a facile and scalable …

Electrochemical transformation of Fe-NC catalysts into iron oxides in alkaline medium and its impact on the oxygen reduction reaction activity

R Sgarbi, K Kumar, VA Saveleva, L Dubau… - Applied Catalysis B …, 2022 - Elsevier
Precious metal-free Fe-NC catalysts efficiently electrocatalyze the oxygen reduction reaction
both in acid and alkaline electrolyte. Their stability is however limited in acidic medium, but …

Single-site and nanosized Fe–Co electrocatalysts for oxygen reduction: Synthesis, characterization and catalytic performance

V Bambagioni, C Bianchini, J Filippi, A Lavacchi… - Journal of Power …, 2011 - Elsevier
The impregnation of Ketjen Black (C) with iron and cobalt phthalocyanines (MPc) taken one
by one or as a 1: 1 stoichiometric mixture, followed by heat treatment at 600° C under inert …

Phthalocyanine tethered iron phthalocyanine on graphitized carbon black as superior electrocatalyst for oxygen reduction reaction

Z Zhang, M Dou, J Ji, F Wang - Nano Energy, 2017 - Elsevier
Despite the superior electrocatalytic activity of iron (II) phthalocyanine (FePc) for oxygen
reduction reaction (ORR) in alkaline media, the large-scale applications of these FePc …