Results 201 to 210 of about 129,077 (264)

Directionally Modulated Zinc Deposition by a Robust Zincophilic Cu‐Phthalocyanine Protective Layer in Dendrite‐Free Aqueous Zinc Ion Batteries

open access: yesAdvanced Materials, EarlyView.
Benefiting from the precisely anchored zincophilic sites, the ample transport channels with rich redox active sites, and the suppressed hydrogen evolution by the copper (Cu) sites, a highly conjugated robust Cu‐Phthalocyanine covalent organic framework layer is designed and applied for directional modulation of zinc (Zn) ions and dendrite‐free Zn ...
Yidi Wang   +6 more
wiley   +1 more source

Novel Sulfide‐Chloride Solid‐State Electrolytes with Tunable Anion Ratio for Highly Stable Solid‐State Sodium‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
A new family of Na‐Zr‐S‐Cl sulfide‐chloride Na SSEs with tailored anion compositions is explored. A high ionic conductivity is realized for both Cl‐rich and Cl‐deficient structures, attributed to the unique chloride bridging structure and low Na‐ion migration barrier.
Zhi Liang Dong   +15 more
wiley   +1 more source

Pairing N‐Vacancy and Adjacent Ni‐Sites in the Local Microenvironment to Regulate the Urea Oxidation Reaction Pathway With Enhanced Kinetics

open access: yesAdvanced Materials, EarlyView.
In nitrogen vacancies‐rich nickel nitride (Ni3N‐VN), a local microenvironment of nitrogen vacancies and adjacent Ni sites is formed. The electron‐rich Ni‐sites can be converted to NiOOH at a lower potential, and urea adsorption on the electron‐deficient nitrogen vacancy region is conducive to its partial dissociation, conceiving to efficient urea ...
Chengwei Ji   +10 more
wiley   +1 more source

Atomic Scale Engineering of Multivalence‐State Palladium Photocatalyst for Transfer Hydrogenation with Water as a Proton Source

open access: yesAdvanced Materials, EarlyView.
Photocatalytic transfer hydrogenation is achieved over a multivalence‐state palladium photocatalyst, in which protons generated from photocatalytic water splitting are added to unsaturated double bonds. The operando light‐induced Electron Paramagnetic Resonance (EPR) spectroscopy confirms the synergistic action between Pd single atoms and nanoparticles,
En Zhao   +12 more
wiley   +1 more source

Cyclic voltammetry experiment [PDF]

open access: possibleJournal of Chemical Education, 1983
This three-part experiment has been designed specifically for introducing cyclic voltammetry to students who are at the advanced undergraduate or early graduate level.
Jane Y. Lewis   +4 more
openaire   +1 more source
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ChemInform Abstract: CYCLIC VOLTAMMETRY OF POLYQUINOCYCLOALKANES

Chemischer Informationsdienst, 1976
AbstractDie Reduktionspotentiale der Verbindungen (I)‐(IV), gemessen durch cyclische Voltammetriein CH2Cl2, liegen sehr hoch, das erste Reduktionspotential (alle Verbindungen zeigen zwei diskrete Einelektronenübergänge zum Radikalanion bzw. Dianion) der Verbindungen (II), (III) und (IV) ist höher als das von p‐Benzochinon und Chloranil.
Koichi Komatsu, Robert West
openaire   +3 more sources

Affordable Cyclic Voltammetry

Journal of Chemical Education, 2009
Cyclic voltammetry is an important component of the undergraduate chemical curriculum. Unfortunately, undergraduate students rarely have the opportunity to conduct experiments in cyclic voltammetry owing to the high cost of potentiostats, which are required to control these experiments.
John R. Amend   +3 more
openaire   +2 more sources

Quantitative cyclic voltammetry

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1981
Abstract Use of the derivative peak current ratio during cyclic voltammetry for the measurement of rate constants of reactions coupled to charge transfer was evaluated. The protonation of anthracene anion radical by phenol in N,N-dimethylformamide was selected as a model reaction following the ECE—nuance mechanism.
Elisabet Ahlberg, Vernon D. Parker
openaire   +3 more sources

Cyclic voltammetry of phenol

Journal of Analytical Chemistry, 2014
The possibility of phenol determination by cyclic voltammetry (CVA) on electrochemically modified glassy-carbon electrodes (GCE) was studied. The effect of the rate of linear potential sweep on the sensitivity of phenol determination was investigated. The adsorption nature of the analytical signal of phenol was revealed.
O. N. Bulgakova, I. K. Uskova
openaire   +2 more sources

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