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Battery states: State of charge (SoC), State of Health (SoH)
Battery States (Charge and of Health) are defined and discussed in this article.
Investigating battery aging using Differential Capacity Analysis (DCA)
The importance of DCA for battery aging...
How to read battery cycling curves
An overview of how to read cycling curves and their relevance to battery performance/behavior
How to correct impedance measurements when using longer cables or a test fixture
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.
How to avoid side reactions during battery charging/discharging?
How can we avoid unwanted reactions at the electrodes during battery charging/discharging?
Scanning probe electrochemistry for sustainable energy research
A short article and associated video relating to scanning probe electrochemistry and sustainable energy
How to use 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.
Checking and validating reference electrodes
The reference electrode is part of the 3-electrode setup. A bad reference electrode can impact negatively on measurements. In this article, we discuss the protocol necessary to check reference electrodes.
Investigation of impedance measurements using the Z Sim tool
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.
dc-SECM and the SECM150
The dc-SECM technique. Includes a link to a more detailed, downloadable document.
Rotating Ring Disk Electrode: an Introduction
The principles and main uses of the Rotating Ring Disk Electrode.
How do I customize my plots?
A suitable plot with the right variables allows you directly access the results and saves a great deal of time during the analysis. In this short article we show you how...
Create and save your own protocols
Learn how to save time by configuring full experiments from previous settings; including safety limits, advanced settings, cell characteristics and external device configuration.
Split an EIS experiment into multiple sequences: save time without compromising measurement 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.
QCM: Why measuring at overtones matters
The benefits of QCM measurements at overtones are described.
QCM: History and principles
The principles behind the QCM technique are described as well as an introduction to its history.
EIS and Battery Screening
Article describing how advanced EIS battery cyclers can play a multipurpose role in battery screening.
Anode, cathode, positive and negative: battery basics
This article clarifies the differences between anodes cathodes and positive and negative electrodes in secondary batteries.
Why use Electrochemical Impedance Spectroscopy (EIS) for battery research?
Understand which information you can accurately obtain from your insertion material using Electrochemical Impedance Spectroscopy.
Cyclic Voltammetry: how to obtain great results with your potentiostat
What are the critical Cyclic Voltammetry parameters and how should you tune them correctly to ensure you get the best out of your instrument?
How to check and correct the time variance of your system under EIS measurements
Are you running EIS experiments on a corroding electrode or on a charging or discharging battery and obtaining unusual or strange data at low frequencies? You should check that the change of your system does not affect your EIS measurements. Here are a few tools available in EC-Lab® to help you deal with such situations.
How to make reliable EIS measurements with your potentiostat or battery cycler
To be considered reliable, EIS measurements must be performed on a system that is linear, in a steady-state and time-invariant. Quality Indicators are made available to users of EC-Lab® to ensure that the system fulfills these requirements.
Scanning probes & battery research
As demand for electric vehicles, portable electronics, and green energy storage grow, so too will the demand for better batteries. To improve on current battery technologies, researchers must intimately understand battery components
ZFit (impedance fitting) tutorials for potentiostats and battery cyclers
Series of tutorials about ZFit, BioLogic's impedance fitting tool
Coupling potentiostats & spectrometers for spectroelectrochemical measurements
One of the possibilities of characterizing intermediate species created during a redox process, is to couple a spectrometer with a potentiostat
What is EIS ?
Electrochemical Impedance spectroscopy (EIS) is a powerful tool enabling the study of processes that occur at the interface of the electrode.
Data of interest – work more efficiently.
Get the most out of your potentiostat/battery cycler : how EC/BT-Lab can help you work more efficiently as well as save valuable time.
Resolution, Precision, Accuracy, Temperature stability and Time base: The five to watch
The five characteristics that should be on every electrochemist’s radar
HPC: The importance of ultra-precision battery cyclers
As opposed to standard cycling techniques, High Precision Coulometry (HPC) measurements can provide a reliable estimation of battery lifetime quickly
No need to plan your future analysis… Go straight ahead
It is time to demystify a false truth. You really do not always need to add points in the record settings of BT-Lab® and EC-Lab® in order to obtain highly accurate measurements.
Modify on-the-Fly: Flexible potentiostat/battery cycler control
No need to stop the experiment with EC-Lab®’s “modify-on-the-fly” functionality
Why 4-point measurements?
A potentiostat / galvanostat is an instrument that can control both the current and the voltage imposed to a cell. For this purpose, Bio-Logic instruments require at least 4 cables: