Entries by vpresser

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New paper published in EES Batteries on the electrochemical modeling of silicon in lithium-ion batteries

New paper published in EES Batteries on the electrochemical modeling of silicon in lithium-ion batteries. In cooperation with industry partners and modelling experts, we presents a new electrochemical modeling framework for silicon anodes in lithium-ion batteries, capturing key challenges such as voltage hysteresis, phase transformations, and long relaxation processes. By combining multi-species, multi-reaction modeling with […]

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New paper published in Battery Energy on intraparticle effects on lithium-sulfur battery performance

New collaborative paper published in Battery Energy on “Intraparticular inhomogeneity limits capacity in lithium sulfur batteries with carbonate electrolyte”. This work shows that the performance of lithium-sulfur batteries with carbonate electrolytes is strongly governed by how the cathode-electrolyte interphase (CEI) forms inside nanoporous carbon host particles during the first discharge. Using cryogenic electron microscopy together […]

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New paper published in Polymer Chemistry on cellulose-based membranes

New paper published in Polymer Chemistry on cellulose-based membranes. The collaborative work demonstrates how tailored linear and star-shaped block copolymers can be assembled around cellulose fibers to create hierarchical porous structures, which can then be chemically modified to adjust surface polarity, wettability, and water permeance. This approach opens a versatile route toward functional, cellulose-based porous […]

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New paper published in Battery Energy on mixed transition metal oxalates for lithium-ion batteries

In our work, we have developed a new multi-phase transition metal oxalate anode material for lithium-ion batteries by combining five transition metals in a simple co-precipitation process, creating a structure that improves both charge transport and structural stability during cycling. The best-performing composition, TMOx-2, showed strong long-term performance, retaining 827 mAh/g after 400 cycles at […]

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Nikolaos Papadopolous present collaborative work on modelling of Si-electrodes for lithium-ion battery applications

Nikolaos Papadopolous gives an oral presentation at the 22nd Symposium on Modeling and Experimental Validationof Electrochemical Energy Technologies (ModVal 2026) in Lausanne, Switzerland. The presentation has the title “Electrochemical Modeling of Silicon in Lithium-Ion Batteries Using a Multi-Species, Multi-Reaction Framework with Atomistic Insights”.

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New paper published in Advanced Functional Materials on flexible bimetallic phosphonate crystals for supercapacitor application

New collaborative paper spearheaded by Gündog Yücesan published in Advanced Functional Materials (and featured on the back cover). In this work, we introduce flexible bimetallic phosphonate crystals as a new class of energy-storage materials that combine mechanical flexibility with remarkable chemical stability and electrochemical activity. The material remains structurally stable across a broad pH range […]

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Dr. Stefanie Arnold inducted into the Young Academy

Congratulations to Stefanie to be admitted to the Young Academy (Academy of Sciences and Literature | Mainz)! Since 2016, The Young Academy | Mainz has been the Academy’s dedicated programme for supporting emerging talent. Membership gives selected scientists, writers, and musicians the chance to build an interdisciplinary network and engage across fields. A key principle is […]

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New paper on Fe-loaded carbon spherogels for high-performance lithium-ion batteries published in Chemistry of Materials (and featured on the cover)

New paper published in Chemistry of Materials. This constitutes collaborative work between the Universität Salzburg (Michael Elsaesser, Saeid Borhani, Gregor Zickler), the Leibniz Institute for Plasma Science and Technology (INP Greifswald) e.V. (Antje Quade), and us (Stefanie Arnold, Le Thao). Congratulations to Stefanie Arnold for her debut as last-and-corresponding author! The work has now been […]

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New paper published and featured on the cover of Energy Advances on MBene aerogel batteries and capacitors

New paper published in Energy Advances. Our collaborative work with the group of Michael Naguib reports the synthesis of a delaminated 2D molybdenum boride MBene aerogel, Mo4/3B2Tx, and shows that it works very well as an anode material for lithium-ion storage because it combines accessible active sites, fast charge storage, and strong structural stability. The […]

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New paper published in Desalination on capacitive deionization studied with operando X-ray transmission

New paper published in Desalination on position-resolved ion concentration from operando X-ray transmission. This collaborative work introduces position-resolved operando synchrotron X-ray transmission to directly map local ion concentration changes inside a working capacitive deionization (CDI) cell – separating contributions from the flow channel electrolyte and the two nanoporous electrodes. Using a CsCl model electrolyte, we […]

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New paper published in ACS Energy Letters on selective lithium-ion extraction with interlayer-modified MXene

New paper published in ACS Energy Letters on interlayer-tailored Alkyl-MXenes for selective electrochemical lithium-ion extraction. The paper reports a two-step electrochemical lithium-ion extraction strategy using interlayer-tailored Ti3C2Tx MXene electrodes. By pre-intercalating long-chain organic molecules (hexadecylamine, HDA, and decyltrimethylammonium, C10), the MXene interlayer environment is tuned to favor Li+ over competing Na+, improving both selectivity and […]

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New paper published in ACS Applied Energy Materials on cathode electrolyte interphase formation in lithium sulfur batteries

New paper published in ACS Applied Energy Materials. This collaborative work explores the electrochemical pathway behind cathode-electrolyte interphase (CEI) formation in Li-S batteries operated with carbonate-based electrolytes. By using microporous carbon-sulfur cathodes and tracking the first discharge, we propose an electrochemical nucleophilic mechanism in which polysulfides and solvent molecules react inside confined pores, forming a […]

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New paper published in ACS Applied Energy Materials on quaternary electrolyte design for superior supercapacitors

New paper published in ACS Applied Energy Materials on the use of quaternary electrolytes for enhanced capacitive energy storage. This collaborative work explores quaternary electrolytes (two distinct cations and two distinct anions) as a practical strategy to improve electrical double-layer capacitors – combining a solvable theoretical pore-charging framework with experimental validation using [EMIM][BF4] mixed with […]

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New paper published on Bi-Mn-Al oxide / reduced graphene oxides electrodes for energy storage in Rare Metals

New paper published in Rare Metals on oxygen vacancy–engineered Bi–Mn–Al oxide / reducedgraphene oxide for high–performance supercapacitors. This work introduces oxygen-vacancy-rich Bi2O3/Mn3O4/Mn2AlO4(OV)/rGO multiphase heterostructures that accelerate ion transport and boost conductivity, enabling higher operating voltage and markedly improved supercapacitor energy and power performance (supported by DFT).

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Energy Materials
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