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For the first time, new and fast method for the determination of the electrochemical potential window in supercapacitor by electrochemical impedance spectroscopy (EIS) is presented. Determination of the maximum operating voltage is possible in just a few hours.
This method also provides a range of information about redox processes occur at the electrode/electrolyte interface, especially during accelerated ageing [...]

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Who We Are

Around The Carbon

Carbon is an element readily obtained from nature. It has various applications in industry and particularly in our daily life. Our main interest is the use of carbon in the production of electrodes for electrochemical capacitors and batteries. Recently, Electric Double Layer Capacitors (EDLC) have drawn a lot of attention from researchers. Unlike batteries, EDLCs have extremely fast charging times and they can withstand thousands of charging cycles. In spite of their advantages, (unwanted) Faradaic processes do happen at the electrolyte/electrode interface; these are not yet fully elucidated. Furthermore, activated carbon materials are applicable in the sound absorbing products like noise absorbers/blockers or acoustic panels.

The main topics investigated in The Lark Team are electrochemical redox-capacitors known as pseudocapacitors, lithium batteries and electrochemical hydrogen storage. Most of the work is focused on the study of redox processes and mechanisms that occur at the electrolyte/electrode interface.
Main motto of LG: "There's a way to do it better - find it" - Thomas Edison.

What We Do

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Who We Are

Discover Our Team

Researcher, Leader

Piotr Skowron

is a Polish scientist in the field of electrochemistry, focus on redox processes occuring at the electrode/electrolyte interface. His domain is study with the use of electrochemical impedance spectroscopy (EIS).

Research

Discover Our Research

CESEP'17: Study of faradaic impedance at the carbon electrode/ ionic liquid electrolyte interface on the performance of EDL-capacitor

Unlike an electric double-layer capacitor (EDLC), which only relies on the reversible adsorption of electrolyte ions, pseudocapacitors store energy mainly via reversible electrochemical redox reactions between the electrodes and electrolyte ions. The electrochemical behavior of the electrolyte components and functional groups [...]

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Theoretical-Experimental data

Activated carbon can adsorb and desorb gas or liquid molecules in pores. It turns out that the use of carbon plays a significant role in sound absorbing. It can be used in acoustic panels, noise absorbers and barriers and sound deadening materials for vehicles and buildings. In this work, we have examined various meso- and macro-porous activated carbons [...]

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