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Get the best EIS measurements, even with longer cables

As an industry leader in Electrochemical Impedance Spectroscopy, BioLogic ensures accurate EIS measurements, regardless of cable length, by compensating for parasitic effect with factory-calibrated cables. Focus on your research, not your setup.
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ZFit: How the sensitivity factor can help optimize the equivalent circuit

Sensitivity functions can help you decide if a specific parameter is relevant or not.
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Why use RDE and RRDE method to characterize electrocatalysts?

This article explains how BluRev can help you understand electrocatalyst properties using RDE and RRDE methods
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How to select the right reference electrode?

This article helps you decide which reference electrode is best for your experiment
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Electrochemical characterisation of fuel cells and electrolysers

This article explains the electrochemical characterization of fuel cells and electrolysers using DC and AC techniques.
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Optimize Pack and Stack Performance with Simultaneous Measurements

This article explains how our instruments and software configurations can measure both battery packs or fuel cell stacks and their individual cells simultaneously.
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Safety & Conditional Limits: What are they and how are they used?

Understand the differences and the interest of embedded limits in EC-Lab® and BT-Lab®.
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Make life easier with smart limits and automatic I Range

This article explains new tools available in EC-Lab® V11.50 including I Range in Galvano mode and smart charge limits.
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M470: An all in one scanning probe electrochemistry software

Everything you need for local electrochemistry in one software
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Take your experiments ‘To Go’ with EC-Lab®

Unlock the true potential of your electrochemical experiments with wireless connectivity.
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Which SCAN-Lab software should I use?

Information on when to use the different BioLogic software available for scanning probe electrochemistry.
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EC-Lab®

The stand-out potentiostat interface that just keeps getting better
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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.
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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.
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ZSim and ZFit as learning tools. Part VI – Equivalent circuits distinguishability

Explain the distinguishability properties of equivalent circuits
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ZSim and ZFit as learning tools. Part VII – Equivalent circuits identifiability

Explain the identifiability and unidentifiability properties of equivalent circuits
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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
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How to automate experiments and build complex protocols: An introduction to the M470 sequencer

Automating experiments, and writing complex protocols with the M470 sequencer.
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Nernst, Pourbaix and self-discharge

Using the example of lead-acid batteries, the goal of this article is to provide a better understanding of Nernst law, how it can be used to construct Pourbaix diagrams, and how Pourbaix diagrams can in turn be used to explain self-discharge.
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How do I choose between step mode and sweep mode?

Choosing step mode or sweep mode affects experiment quality and duration from Scanning Electrochemical Microscopy to Atomic Force Microscopy
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What is CV? A comprehensive guide to Cyclic Voltammetry

A highly detailed article relating to Cyclic Voltammetry and associated EC-Lab techniques
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FlexP + Water Cooling = More power (up to 800 A)!

How the FlexP boosters' unique design and proprietary technology faciliates measurements for EVs and high-power applications
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Internal Resistance series. Part I: What is internal resistance in a battery?

What is internal resistance in a battery?
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Internal Resistance series. Part II: How to determine the internal resistance of a battery

This second in a series of 3 articles will help you to understand internal resistance and how it can be measured.
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Internal Resistance series. Part III: Which techniques should I use to investigate the internal resistance of a battery?

This article in BioLogic's Learning Center explains which techniques are applicable for the investigation of internal resistance in batteries
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What is Electrochemical Impedance Spectroscopy (EIS)? Electrochemistry Basics Series

Electrochemical Impedance spectroscopy (EIS) is a powerful tool enabling the study of processes that occur at the interface of the electrode.
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The Faraday Cage: What is it and how does it work?

What is a Faraday Cage. How does it work? The article looks at the use of the Faraday cage in electrochemistry.
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Future proof your potentiostat with Premium range, self-install internal boosters.

The article explains how users can easily upgrade their Premium range potentiostat by installing boosters, thereby increasing the scope of the instrument.
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SECM101: What is Constant Distance (CD)-SECM?

Constant Distance (CD)-SECM is introduced in this BioLogic Learning Center article
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Scanning Probe Electrochemistry: A glossary of terms

What do the different terms relating to local electrochemistry mean? This article gives a definitive list
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Distribution of Relaxation Times (DRT): how to identify equivalent circuits efficiently

The Distribution of Relaxation Times (DRT) analysis (equivalent circuit identification tool) is introduced.
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Key factors to consider when looking for a scanning electrochemical workstation.

Factors of interest when looking at a scanning electrochemical workstation are discussed.
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SECM101: Introduction to the redox mediator

The Scanning Electrochemical Microscopy (SECM) redox mediator is introduced.
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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.
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OSP101: Introduction to the Optical Surface Profiler technique

An introduction to the Optical Surface Profiler (OSP) technique
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What is the definition of the impedance Z?

How to correctly define the $Z$ impedance
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Which scanning probe electrochemistry technique?

The scanning probe electrochemistry techniques on the M470 are compared.
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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.
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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
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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?
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Multichannel & Single-channel potentiostats – what’s the difference? (Electrochemistry Basics Series)

An overview of the differences between single channel and multichannel potentiostat galvanostats
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$\small R_\text p = \lim \limits_{f \rightarrow 0} \text{Re} \;Z$. Why?

Why is the polarization resistance the finite low-frequency limit of the impedance? This Learning Center article explains why...
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$\small R_\text p = \lim \limits_{f \rightarrow 0} \text{Re} \;Z$. Why?

Why is the polarization resistance the finite low-frequency limit of the impedance? This Learning Center article explains why...
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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
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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.
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Scanning probe electrochemistry for sustainable energy research

A short article and associated video relating to scanning probe electrochemistry and sustainable energy
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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.
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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.
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Nyquist plots: Why use the orthonormal scale?

This article illustrates why the orthonormal scale should be used for Nyquist impedance plots.
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Rotating Ring Disk Electrode: an Introduction

The principles and main uses of the Rotating Ring Disk Electrode.
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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...
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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.
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Levich analysis: the principles

The Levich analysis is mainly used to determine the diffusion coefficient of a redox species. But how does it work exactly?
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Koutecký-Levich analysis: the principles

The Koutecký-Levich analysis is used to determine kinetic parameters of a redox reaction. But how does it work exactly?
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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.
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Connection to the cell – Part 1 – What is “ground”?

Different grounding options based on application type
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Anode vs Cathode: What’s the difference?

This article clarifies the differences between anodes cathodes and positive and negative electrodes in secondary batteries.
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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
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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.
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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
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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.
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Modify on-the-Fly: Flexible potentiostat/battery cycler control

No need to stop the experiment with EC-Lab®’s “modify-on-the-fly” functionality
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Potentiostats: Obtaining high quality measurements (Electrochemistry Basics Series)

This article gives some tips to improve the quality of measurements, from optimizing the setup or the connection interfaces, to the geometry of the cell itself.
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