Results 41 to 50 of about 2,411 (210)

Highly Sensitive EQCM Sensor for Mercury Determination by Coupled Stripping Voltammetry

International Journal of Electrochemical Science, 2015
An electrochemical quartz crystal microbalance (EQCM) can be used as electrochemical stripping sensor for mercury (II) detection. Due to the frequency changes of EQCM electrode were used as analytical signal instead of currents, the influence of ...
Zong-Mu Dong, Xu-Miao Qing, Guang-Chao Zhao   +2 more
doaj   +1 more source

Recent Advances in Carbon Cathode Materials toward High‐Performing Zinc‐Ion Hybrid Supercapacitors

Advanced Science, EarlyView.
Aqueous zinc‐ion hybrid supercapacitors (ZHSCs) have emerged as promising next‐generation electrochemical energy‐storage devices. Porous carbon materials have been extensively studied as cathodes, with advances in tailoring pore structures and material properties to enhance performance.
Take Hirooka, Zhaolin Liu, Ivan P. Parkin, Guanjie He   +3 more
wiley   +1 more source

In-situ observation of the growth behavior of ZnAl layered double hydroxide film using EQCM

Materials & Design, 2019
ZnAl layered double hydroxides (LDHs) film was prepared on the pure Al by an in-situ growth method. In-situ observation of the growth behavior of ZnAl-LDHs-NO3 film was studied by electrochemical quartz crystal microbalance (EQCM) and open circuit ...
Youbin Wang, Yusheng Zhang, Bingtao Zhou, Chunmin Li, Feng Gao, Xinpeng Wang, Duoqiang Liang, Yuezhou Wei   +7 more
doaj   +1 more source

Methods for Calibrating the Electrochemical Quartz Crystal Microbalance: Frequency to Mass and Compensation for Viscous Load

Chemosensors, 2023
The main output from an Electrochemical Quartz Crystal Microbalance is a frequency shift. This note describes how to separate the mass- and viscous load contributions to this shift by a calibration procedure.
Claes-Olof A. Olsson, Anna Neus Igual-Muñoz, Stefano Mischler   +2 more
doaj   +1 more source

Harnessing Li‐Ion Binding Energy for Solvation‐Guided Electrolyte Additive Design and Robust Solid Electrolyte Interphase Reinforcement

Advanced Science, EarlyView.
A solvation‐guided design strategy for electrolyte additives is established, identifying Li‐ion binding energy as a crucial determinant for effective interface reinforcement. ABSTRACT The rational design of electrolyte systems is essential for stabilizing the electrode−electrolyte interface to enhance the electrochemical performance of lithium‐ion ...
Jooeun Byun, Ho Yeon Jang, Myung‐Jun Kwak, Chae Rim Lee, Chihyun Hwang, Seoin Back, Hyun‐seung Kim   +6 more
wiley   +1 more source

EQCM behavior of copper anodes in alkaline medium and characterization of the electrocatalysis of ethanol oxidation by Cu(III)

Journal of the Brazilian Chemical Society, 2006
The anodic oxidation of copper electrodes in alkaline solutions was investigated by using voltammetry, chronoamperometry, impedance measurements and the electrochemical quartz crystal microbalance (EQCM). Experiments were carried out in NaOH solutions in
Paixão Thiago R. L. C., Ponzio Eduardo A., Torresi Roberto M., Bertotti Mauro   +3 more
doaj  

A Novel Signal-Amplified Immunoassay for the Detection of C-Reactive Protein Using HRP-Doped Magnetic Nanoparticles as Labels with the Electrochemical Quartz Crystal Microbalance as a Detector

Journal of Analytical Methods in Chemistry, 2013
A novel horseradish peroxidase- (HPR-) doped magnetic core-shell Fe3O4@SiO2@Au nanocomposites (Fe-Au MNPs) were employed on immunoassay for the determination of C-reactive protein (CRP) based on a electrochemical quartz crystal microbalance detector ...
Ning Gan, Ping Xiong, Ji Wang, Tianhua Li, Futao Hu, Yuting Cao, Lei Zheng   +6 more
doaj   +1 more source

by EQCM and Operando Fiber Optic Infrared Spectroscopy

, 2023
International audienceReliable operation of Na‐ion batteries requires a mastering of the interfacial processes governing intercalation kinetics. Ion desolvation, amongst others, is a crucial phenomenon as far as power applications are envisioned ...
Salanne, Mathieu, Mathieu Salanne, Cédric Leau, Leau, Cédric, Tarascon, Jean‐Marie, Kateryna Goloviznina, Jean‐Marie Tarascon, Rabuel, François, Ozlem Sel, Goloviznina, Kateryna, Bendadesse, Ezzoubair, Sel, Ozlem, François Rabuel, Gervillié-Mouravieff, Charlotte, Charlotte Gervillié‐Mouravieff, Ezzoubair Bendadesse   +15 more
core   +1 more source

Probing the role of isoelectric point in charge storage mechanisms of functionalized carbon by electrochemical quartz crystal microbalance (EQCM)

Electrochemistry Communications
In this work, we aim to explore the synergetic influence of the functionalization of the carbon electrode and that of the electrolyte pH on the charge storage mechanism by utilizing the technique of EQCM (Electrochemical Quartz Crystal Microbalance).
Sreya Babu Nambiar, Barbara Daffos, Julie Segalini, Patrice Simon, Pierre-Louis Taberna   +4 more
doaj   +1 more source

Ion Mobility in Thick and Thin Poly-3,4 Ethylenedioxythiophene Films—From EQCM to Actuation

, 2021
Conductive polymer actuators and sensors rely on controlled ion transport coupled to a potential/charge change. In order to understand and control such devices, it is of paramount importance to understand the factors that determine ion flux at various ...
Kiefer, Rudolf, Urban, Gerald A., Rudolf Kiefer, Bharath Velmurugan, Gerald Urban, Daniel Weis, Tamm, Tarmo, Velmurugan, Bharath, Tarmo Tamm, Weis, Daniel Georg   +9 more
core   +1 more source