We Advance Battery Research.

EL-CELL develops laboratory equipment for research of energy storage systems, with particular focus on lithium-ion technology and supercapacitors.

We are distinguished by our expertise in electrochemistry and mechanical engineering as well as our eager ambition to develop innovative products. We strongly believe that reliable and simple 3-electrode measurements are the most efficient way to develop new battery materials. This approach proves to be particularly useful in our PAT (Parallel Testing) series, a modular test cell system with the highest standards of efficiency and ease of use. In addition, we offer a variety of in-situ test cells as well as tools for manufacturing battery components in the laboratory. Our complete range of services is rounded out with our own potentiostats, which are precisely tailored to the special requirements of battery research. This allows us to provide you with the complete set-up from a single source to carry out electrochemical experiments.

The power of testing with a reference electrode

By monitoring the cell voltage and cell current of the battery, you can learn a lot about the performance and ageing of the battery as a whole.

However, a battery comprises two electrodes connected in series: cathode and anode. Which of the two is the bottleneck for charge transfer? Which electrode is dying off first?
Testing with a reference electrode answers these questions because the voltage and impedance of both half cells can be measured simultaneously. This makes it easy to see how the two electrodes behave individually.

When used with a powerful battery tester such as the PAT-Tester-i-16, the reference electrode enables you to measure the electrochemical properties of both electrodes at the same time.

Read more about the advantages of 3-electrode testing

The PAT Series – A comprehensive, modular system for testing new battery materials

With the PAT series, we are the first supplier worldwide to offer you a complete system consisting of test cells, potentiostats and control software that are perfectly matched to each other. This makes testing battery materials more efficient, more reproducible and easier to use than ever before.

PAT Test Cells

Our test cell system consists of different cell housings which contain the cell stack and enable electrical contact with the potentiostat. Different variants with additional features such as pressure sensors or gas connections are available for the respective test purpose.

Unlike other products, PAT test cells are cableless. They are simply inserted into a docking station which is permanently connected to the battery tester used. This way the wiring does not have to be renewed before every test, which saves time and prevents mistakes.

The PAT-Core is the core component of each PAT-Cell, which contains the actual cell stack with electrodes, current collectors, separator and electrolyte. The individual components of the PAT-Core are available in different variants that can be freely combined with each other. This means that the test cell can be quickly and easily adapted to a wide variety of test purposes.

PAT Battery Testers

We have incorporated our long-standing practical experience with electrochemical testing into the development of a new generation of battery testers, the EL-CELL PAT-Tester series. They offer fully equipped test channels with PStat/GStat and EIS capabilities and are specifically designed for battery material research with 3-electrode PAT-Cells and other small battery formats such as coin or pouch cells.


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Unique features such as the Connection Matrix, which allows software-controlled switching of voltages or current flow between electrodes during operation, enable completely new and easier working methods in contrast to conventional devices from other manufacturers.

Other featured products and services:

Optical operando test cells

Our optical battery test cells for in-situ microscopy open many new possibilities for the research of battery materials. With their help scientists are able to directly visualize the processes inside a running battery.

Electrochemical dilatometers

Our electrochemical dilatometer measure the thickness change of a working electrode during the electrochemical cycle. They are suited for aprotic as well as aqueous electrolytes and have a displacement resolution of 5 nm.


We offer useful tools, like our EL-Cut electrode cutting pliers, to make your life as a battery researcher easier.

The EL–Cut is a high–precision punching tool specially designed for punching electrodes from coated Cu and Al foils. In contrast to conventional punching, electrodes being cut (fine blanked) by the EL–Cut are produced by three active forces and in tools with a few microns cutting clearance. The fine blanking process results in electrodes having clean cutting surfaces without torn or chipped edges and being almost perfectly flat.

EL-CELL electrochemical research laboratory

EL-CELL operates its own, fully equipped electrochemical laboratory, where we perform a variety of test measurements for our customers and for our internal product development. We provide all necessary equipment to run different electrochemical experiments at the highest standard of academia and industry.

Let us test your battery materials with our advanced PAT Tester i-16 potentiostats and the reliable 3-electrode PAT-Cells.

Get in touch:

our sales team:

Dr. Sebastian Müller
Director of Sales and Marketing

Susana Moreira
Sales Manager


Christoph Grassau
Sales Manager


EL-Cell GmbH
Tempowerkring 8
21079 Hamburg

Phone: +49 40 79012-734
Telefax: +49 40 79012-736
Email: sales@el-cell.com

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