Molecular and pyrolyzed penta-coordinated catalysts for the oxygen reduction reaction: a short opinion review on electronic properties and catalytic activity

CZ Loyola, F Tasca - Current Opinion in Electrochemistry, 2023 - Elsevier
Hydrogen fuel cells are emerging as a sustainable technology for the storage and
transformation of chemical energy into electricity. Major problems to the mass diffusion of …

Scalable nanoarchitectonics with microporous polymer composite for methanol-tolerant ORR electrocatalysts

A Sebastian, A Panda, R Nandan, J Henzie… - Journal of Materials …, 2024 - pubs.rsc.org
We report an efficient ORR electrocatalyst containing cobalt single atom and cobalt
nanoparticle active sites embedded in a porous nitrogen-doped graphitic carbon network …

[HTML][HTML] Optimization of cobalt on CNT towards the oxygen evolution reaction and its synergy with iron (II) phthalocyanine as bifunctional oxygen electrocatalyst

RG Morais, N Rey-Raap, JL Figueiredo, MFR Pereira - Catalysis Today, 2023 - Elsevier
Monometallic cobalt catalysts supported on carbon nanotubes (Co/CNT) were optimized for
the oxygen evolution reaction (OER). The optimized Co/CNT catalyst was physically mixed …

Organic hybrid of cobalt phthalocyanine embedded graphene as an efficient catalyst for oxygen reduction reaction

S Aralekallu, S Hadimane, M Nemakal… - Fuel, 2024 - Elsevier
The widespread practical applications of the fuel cells are dependent on the rational
development of state-of-the-art easily synthesizable or earth-abundant catalysts for oxygen …

On the effects of Br−, ClO4−, NO3− anions on the oxygen reduction reaction electrocatalysis at Fe phthalocyanine modified electrodes

CZ Loyola, A Gatica, N Troncoso, W Orellana… - Electrochimica Acta, 2024 - Elsevier
Fe phthalocyanine with carbon nanotubes (FePc-CNT) has been used as catalysts for ORR
using the following supporting electrolyte: 0.1 M NaOH, 1 M NaOH, 1 M HNO 3, 1 M HClO 4 …

Calcined cobalt-chelated, N-containing poly (methylenediphenyl urea) as an ORR cathode catalyst

YC Huang, KS Ho, HT Lee - Reactive and Functional Polymers, 2023 - Elsevier
A Co (II)-chelated poly (methylenediphenyl urea)(Co-PMDUr) is successfully prepared from
the condensation reaction between 4, 4′-methylene diphenyl diamine (MDA) and 4, 4 …

Synergistic effect of two metal porphyrins in a polymer catalyst for oxygen electroreduction

SM Kuzmin, SA Chulovskaya, YA Filimonova… - Journal of …, 2023 - Elsevier
This work considers the formation and catalytic properties of films of individual
hydroxyphenyl porphyrin complexes with manganese (manganese (III) acetate 5, 10, 15, 20 …

[HTML][HTML] Oxygen reduction reaction platinum group metal-free electrocatalysts derived from spent coffee grounds

G Zuccante, M Acciarri, CL Vecchio, I Gatto, V Baglio… - Electrochimica …, 2024 - Elsevier
The annual generation of coffee waste has overtaken 6 million metric tons, becoming a
serious environmental problem. Herein, we report the fabrication of bimetallic …

Pyrolyzed cobalt hexacyanocobaltate dispersed on reduced-graphene-oxide as an electrocatalyst of the oxygen reduction reaction in an alkaline medium

B Zakrzewska, A Jabłońska, L Adamczyk… - Journal of Materials …, 2023 - pubs.rsc.org
Described is the development of a unique electrocatalytic material prepared by heat-treating
a composite of a Prussian blue analogue, cobalt hexacyanocobaltate, and immobilizing it on …

Mono-, bi-and tri-metallic platinum group metal-free electrocatalysts for hydrogen evolution reaction following a facile synthetic route

SA Mirshokraee, M Muhyuddin, J Orsilli… - Industrial Chemistry & …, 2023 - pubs.rsc.org
In this work, platinum group metal-free (PGM-free) electrocatalysts were synthesized,
characterized, and tested for hydrogen evolution reaction (HER). These materials were …