[HTML][HTML] Why electrochemical capacitor electrolytes should not be ignored?

S Azmi, A Klimek, E Frackowiak - Electrochimica Acta, 2023 - Elsevier
Technological advances in various fields are frequently hampered by the insufficient
capacity of energy storage devices. Electrochemical capacitors (ECs) emerge as high-power …

Electrochemical capacitor in aqueous electrolyte with long lifespan improved by hydrogen bond donor addition

S Azmi, A Klimek, E Frackowiak - Materials Today, 2023 - Elsevier
In the electrochemical capacitors (ECs) operating with aqueous electrolytes, corrosion of the
current collector is one of critical issues that affects the cycling life, efficiency, and …

[HTML][HTML] Highly stable and reliable asymmetric solid-state supercapacitors with low self-discharge rates

M Thomas, S Veleva, B Karamanova, A Brigandì… - Sustainable Materials …, 2023 - Elsevier
In this research work, we reported the synthesis of MnO 2 by a simple co-precipitation
technique and its use as electrode material for supercapacitors. Thus, hybrid …

[HTML][HTML] Monitoring the ion population at a carbon electrode/aqueous electrolyte interface at various pHs using electrochemical dilatometry

P Bujewska, P Galek, K Fic - Energy Storage Materials, 2023 - Elsevier
Abstract Changes in the electrode thickness in electrochemical capacitors depend strongly
on the electrolyte pH. Hence, different ions (or ions with various solvation shells) participate …

Ambiguous Role of Cations in the Long-Term Performance of Electrochemical Capacitors with Aqueous Electrolytes

A Platek-Mielczarek, J Piwek… - ACS Applied Materials …, 2023 - ACS Publications
A comprehensive comparison of electrochemical capacitors (ECs) with various aqueous
alkali metal sulfate solutions (Li2SO4, Na2SO4, Rb2SO4, and Cs2SO4) is reported. The EC …

Insight into the Change in Local pH near the Electrode Surface Using Phosphate Species as the Probe

S Lu, Z Zhang, B Zhang, Y Shi - The Journal of Physical Chemistry …, 2023 - ACS Publications
The difference between solution pH and local pH near an electrode surface greatly
determines the electrocatalytic performance. However, there is still a lack of a facile and …

Effect of a buffer/iodide electrolyte on the performance of electrochemical capacitors

A Klimek, M Tobis, E Frackowiak - Green Chemistry, 2024 - pubs.rsc.org
One of the major problems affecting the energetic characteristics and cycle life of
electrochemical capacitors (ECs) utilizing aqueous electrolytes is the narrow operating …

Probing iodide/iodonium salt interactions with single-walled carbon nanotubes for resilient electrochemical capacitor

M Tobis, J Piwek, A Płatek-Mielczarek, Ł Przypis… - Electrochimica …, 2024 - Elsevier
Self-standing films from single-walled carbon nanotubes (SWCNTs) were successfully used
as electrochemical capacitors'(ECs) electrode material, which exhibited state-of-the-art …

Instability of Cobalt-Substituted Polyoxometalates during the Oxygen Evolution Reaction: An Operando X-ray Absorption Spectroscopy Study

B Rotonnelli, B Lassalle-Kaiser… - The Journal of …, 2024 - ACS Publications
Complexes of cobalt (II) stabilized by lacunary polyoxometalates (CoPOMs) are highly
discussed water oxidation catalysts (WOC). While their activity and stability in the oxygen …

Fundamentals and implication of PZC determination for activated carbons in aqueous electrolytes

K Fic, S Sroka, P Galek, J Menzel, A Platek-Mielczarek - 2023 - researchsquare.com
The point of zero charge (PZC) is crucial for investigating molecular level charging
mechanisms in energy storage systems, as demonstrated in electrochemical capacitors …