Browse this section of our site to find articles, videos, white papers and a wide range of information related to the field of Materials science.
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ZFit: How to have confidence in results using std err.?
This article explains the significance of the std err. parameter in ZFit, the EIS fitting tool in EC-Lab.
Supercapacitors and insertion batteries: what are the differences?
This article describes the main differences between supercaps and batteries.
ZSim and ZFit as learning tools. Part V – How to choose the proper equivalent circuit?
This article gives tips, tricks and general guidance for choosing the proper equivalent circuit.
ZSim and ZFit as learning tools. Part VI – Equivalent circuits distinguishability
Explain the distinguishability properties of equivalent circuits
ZSim and ZFit as learning tools. Part VII – Equivalent circuits identifiability
Explain the identifiability and unidentifiability properties of equivalent circuits
What is a potentiostat and its use in Science & Industry (Electrochemistry Basics Series)
What is a potentiostat? An article detailing every aspect of this versatile electrochemical multitool. Covers Potentiostat functionality and operation, the history of the potentiostat, uses and applications and the future of the potentiostat
Scanning Probe Electrochemistry: A glossary of terms
What do the different terms relating to local electrochemistry mean? This article gives a definitive list
Distribution of Relaxation Times (DRT): how to identify equivalent circuits efficiently
The Distribution of Relaxation Times (DRT) analysis (equivalent circuit identification tool) is introduced.
Key factors to consider when looking for a scanning electrochemical workstation.
Factors of interest when looking at a scanning electrochemical workstation are discussed.
SECM101: Introduction to the redox mediator
The Scanning Electrochemical Microscopy (SECM) redox mediator is introduced.
CVSim as a learning tool III: Linearity in EIS
Article describes how CVSim can be used to study the behaviour of a redox reaction during an Electrochemical Impedance Spectroscopy (EIS) measurements.
OSP101: Introduction to the Optical Surface Profiler technique
An introduction to the Optical Surface Profiler (OSP) technique
Which scanning probe electrochemistry technique?
The scanning probe electrochemistry techniques on the M470 are compared.
ZSim and ZFit as learning tools. Part IV – The effect of high frequency inductance.
High frequency inductance can strongly affect the shape of impedance graphs and need to be accounted for during data fitting.
SKP and the Fringing Effect
The fringing effect and its role in Scanning Kelvin Probe (SKP) is introduced.
ZSim and ZFit as learning tools. Part II – Why circle fitting is wrong?
We demonstrate why circle fitting should not be used to analyze impedance data using ZSim- part of EC-Lab, BioLogic's potentiostat control/analysis software
ZSim and ZFit as learning tools. Part III – How to detect an inductive behaviour at low frequencies
Does the Nyquist impedance diagram of the C1/R1/(R2+L2) circuit always have an inductive arc at low frequencies?
Multichannel & Single-channel potentiostats – what’s the difference? (Electrochemistry Basics Series)
An overview of the differences between single channel and multichannel potentiostat galvanostats
Don’t forget our YouTube Channel
Don't forget that a wide range of support, software tutorials and product support videos are also available on our YouTube Channel
How to correct impedance measurements when using longer cables or a test fixture (Electrochemistry Basics Series)
Focus on your Device under Test. How to remove parasitic impedance due to extension cables or connection interfaces
The different current and voltage setpoint options in EC/BT-Lab®
This article presents the various options available in EC/BT-Lab® for potential and current setpoints.
Scanning probe electrochemistry for materials research
Scanning probe electrochemistry for materials research
How to use electrochemical impedance spectroscopy (EIS) accuracy contour plots
EIS accuracy contour plots must be used to interpret errors made during EIS measurements and identify the best frequencies possible for a given impedance range.
Investigation of impedance measurements using the Z Sim tool (Electrochemistry Basics Series)
To adjust the frequency range of your EIS experiment or just to see the shape of your model, Z Sim is available on both EC-Lab® and BT-Lab® software.
Nyquist plots: Why use the orthonormal scale?
This article illustrates why the orthonormal scale should be used for Nyquist impedance plots.
Split electrochemical impedance spectroscopy (EIS) experiments into multiple sequences: save time without compromising quality
Reliable impedance measurements require the system under study to remain linear and stationary during the whole measurement sequence. This article describes the ideal configuration for studying unstable systems such as batteries or supercaps to save time while maintaining good measurement quality.
Work smarter, not harder: Tech-tips
A series of short articles explaining how to work more efficiently and streamline your workflow
QCM: History and principles
The principles behind the QCM technique are described as well as an introduction to its history.
Connection to the cell – Part 1 – What is “ground”?
Different grounding options based on application type
Scanning Probe Electrochemistry & Materials Research
The use of scanning probe electrochemistry in materials science
PEIS or GEIS or GEIS-AA? That is the question.
Electrochemical Impedance Spectroscopy (EIS) measurements are generally performed under potentio control (PEIS) rather than under galvano control (GEIS). In most cases, the potentio and galvano modes are equivalent and give the same results, except in some cases when galvano mode is recommended, for example, when the system changes during the measurement…
ZFit (impedance fitting) tutorials for potentiostats and battery cyclers
Series of tutorials about ZFit, BioLogic's impedance fitting tool
The electrical conductivity of solid electrolytes
The efficiency and performance of energy storage devices depend on the electrical properties of the materials used for the anode, cathode and for the electrolyte.
Probing 2D Materials
2D materials have been investigated using traditional electrochemical methods, providing a global view of the 2D material under investigation.
Resolution, Precision, Accuracy, Temperature stability and Time base: The five to watch (Electrochemistry Basics Series)
The five characteristics that should be on every electrochemist’s radar