Results 91 to 100 of about 53,090 (285)

Investigation of the Electrocatalytic Properties of Spherical Palladium Nanoparticles and Palladium(100)iridium Bimetallic Nanocomposites towards Ammonia Electrooxidation on Pt Electrodes

International Journal of Electrochemical Science, 2015
The electrocatalytic properties of cubic palladium-iridium {Pd(100)Ir} bimetallic nanocomposite and spherical nanoparticles {Pd NPs} towards the electrochemical oxidation of ammonia were investigated in sodium hydroxide on platinum electrode ...
Nolubabalo Matinise, Fanelwa Rachel Ajayi, Chinwe O. Ikpo, Njagi Njomo, Natasha Ross, Priscilla Baker, Emmanuel I. Iwuoha   +6 more
doaj   +1 more source

Elucidation of role of graphene in catalytic designs for electroreduction of oxygen

, 2018
Graphene is, in principle, a promising material for consideration as component (support, active site) of electrocatalytic materials, particularly with respect to reduction of oxygen, an electrode reaction of importance to low-temperature fuel cell ...
Dembinska, Beata, Di Noto, Vito, Kulesza, Pawel J., Miecznikowski, Krzysztof, Negro, Enrico, Rutkowska, Iwona A., Zak, Jerzy K., Zelenay, Piotr, Zoladek, Sylwia   +8 more
core   +1 more source

Stabilizing Cationic Palladium Single‐Atom Sites on Heteroatom‐Doped Carbon for Selective Hydrogen Peroxide Electrosynthesis

Advanced Functional Materials, EarlyView.
In this research, it is demonstrated that dual nitrogen and sulfur doping in hollow carbon spheres creates a tunable coordination environment that stabilizes cationic Pd single atoms as robust organometallic complexes, enabling high selectivity and stability for electrochemical hydrogen peroxide production under harsh acidic and peroxide‐rich ...
Guilherme V. Fortunato, Alexander Gunnarson, Hannaneh Hosseini, Xiangyu You, Pallabi Bhuyan, Ji Sik Choi, Hyo Sang Jeon, Xingshen Zhao, Julio C. Lourenço, Sumin Lim, Huize Wang, Ana Guilherme Buzanich, Martin Radtke, Paul Paciok, Marcos R.V. Lanza, Ferdi Schüth, Marc Ledendecker   +16 more
wiley   +1 more source

Nanostructured Base Electrochemical Sensor for Determination of Sulfite

International Journal of Electrochemical Science, 2014
A novel carbon paste electrode modified with carbon nanotube and benzoylferrocene (BF) was fabricated. The electrochemical study of the modified electrode, as well as its efficiency for electrocatalytic oxidation of sulfite is described.
Hadi Mahmoudi Moghaddam, Mohammad Malakootian, Hadis Beitollah, Pourya Biparva   +3 more
doaj   +1 more source

An In Situ Surface-Enhanced Infrared Absorption Spectroscopy Study of Electrochemical CO2 Reduction: Selectivity Dependence on Surface C-Bound and O-Bound Reaction Intermediates

, 2019
The CO_{2} electro-reduction reaction (CORR) is a promising avenue to convert greenhouse gases into high-value fuels and chemicals, in addition to being an attractive method for storing intermittent renewable energy.
Andreussi, Oliviero, Giordano, Livia, Hwang, Jonathan, Katayama, Yu, Marzari, Nicola, Nattino, Francesco, Rao, Reshma R., Shao-Horn, Yang   +7 more
core   +1 more source

Tracking the Dynamic and Interactive Metal Oxidation Changes in CoFe, CoNi, and NiFe Bimetallic Hydroxides for Electrocatalytic Oxygen Evolution

Advanced Functional Materials, EarlyView.
Operando hard X‐ray absorption spectroscopy is applied to track the dynamic and interactive metal oxidation changes in iron group bimetallic hydroxides under different chemical and electrochemical conditions. It shows that Co and Fe oxidation are relatively equal and synchronized in CoFeOxHy.
Jinzhen Huang, Adam H. Clark, Juliana Bruneli Falqueto, Erica D. Clinton, Kenneth Crossley, Thomas J. Schmidt, Emiliana Fabbri   +6 more
wiley   +1 more source

High‐Yield Synthesis of Fe‐NC Electrocatalysts Using Mg2+ Templating and Schiff‐Base Porous Organic Polymers

Advanced Functional Materials, EarlyView.
Fe─NC porous oxygen reduction electrocatalysts are prepared employing a 2,4,6‐Triaminopyrimidine‐based porous organic polymer, a Mg2+ Lewis acid, and a low‐temperature cation exchange protocol. Using the polymer precursor achieves high pyrolysis yields and results in atomically dispersed FeNx sites. The resulting catalysts feature hierarchical porosity
Eliot Petitdemange, Jinjie Zhu, Angus Pedersen, Joseph Parker, S. Esmael Balaghi, Shaohua Li, Silvia Favero, José Ignacio Martínez, Sarah Haigh, Maria‐Magdalena Titirici, Anna Fischer, Jesús Barrio   +11 more
wiley   +1 more source

Understanding the Doping Effect and Electrolyte Effect in Electrocatalytic Oxidation of Glycerol With Ligand‐Protected Silver Nanoclusters

Aggregate
The efficient electrocatalytic oxidation of glycerol (GLY) is one of the most promising routes for the valorization of GLY. Doping has emerged as a powerful strategy to tailor the electrocatalytic performance of silver nanoclusters (Ag NCs), yet the ...
Dan Yang, Mingxin Wang, Yiwen Zhao, Zhaotong Yuan, Mengjie Wu, Chunmei Zhou, Yihu Dai, Xiaoyue Wan, Yanhui Yang, Yan Zhu   +9 more
doaj   +1 more source

Electrochemical detection of adenine and guanine using a three-dimensional WS2 nanosheet/graphite microfiber hybrid electrode

Electrochemistry Communications, 2019
In this work, a WS2 nanosheet/graphite microfiber hybrid electrode has been fabricated by in situ synthesis of WS2 nanosheets on the surface of graphite microfibers.
Jian Zhang, Dong Han, Shu Wang, Xiaodi Zhang, Ruiqi Yang, Yanchen Ji, Xin Yu   +6 more
doaj   +1 more source

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

Advanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee, Sojin Kim, Myeongeun Lee, Kyoungsuk Jin, Jimin Park   +4 more
wiley   +1 more source