Research

Our work is centered on advancing the foundational elements of sustainable energy storage and recycling, with a primary emphasis on three key disciplines: EV Battery Recycling, Bio-energy Production, and Green Electrolyte Engineering. By combining expertise in these areas, we strive to unlock new insights, innovations, and solutions to accelerate the transition towards a sustainable energy future.

For more details, please contact Dr.Georgios Nikiforidis for more information.

All

2024

Characterization of Manganese Acetate Hydrate Solutions and Their Potential Use for Energy Storage Applications

C Tachouaft, H Kahri, L Wang, Georgios Nikiforidis, M Anouti

Batteries & Supercaps   ·   17 Jan 2024   ·   doi:10.1002/batt.202300560

Study exploring manganese acetate hydrate solutions for energy storage, showing notable thermal behaviors, unique transport properties, and effective performance in supercapacitors.

Energy Storage Manganese Acetate Hydrate

2023

Electrocatalytic on-site oxygenation for transplanted cell-based-therapies

I Lee, Georgios Nikiforidis, A Surendran, S Fleury, I Gimino, A Curtiss, C Fell, DJ Shiwarski

Nature communications   ·   09 Nov 2023   ·   doi:10.1038/s41467-023-07019-y

Development of an electrocatalytic approach for bioelectronic control of oxygen generation in transplanted cell-based therapies, using iridium oxide as the catalyst, demonstrating sustained cell viability and high cell loadings.

Electrocatalysis Cell-Based Therapies

Deep Eutectic Mn(NO3)2−H2O Binary System as a Safe, Cost‐Effective, and Efficient Electrolyte for Supercapacitor Applications

M Raghibi, Georgios Nikiforidis, M Anouti

ChemElectroChem   ·   19 Jun 2023   ·   doi:10.1002/celc.202300183

Study on manganese nitrate hydrate in aqueous solution as a deep eutectic mixture for supercapacitors, showing favorable properties for rapid energy storage.

Supercapacitors DES Electrolytes

Lithium‐Ion Batteries Containing Surfactants for the Protection of Graphite Anode against the Passivation Layer Byproducts

F Chrétien, Georgios Nikiforidis, C Damas, M Anouti

ChemElectroChem   ·   12 May 2023   ·   doi:10.1002/celc.202300102

Comparison of three surfactants added to the electrolyte to protect the graphite anode in Li-ion batteries, highlighting their distinct impact on cycling behavior and performance.

Lithium-ion Batteries Graphite Anode Protection

2022

Comparative internal pressure evolution at interfaces of activated carbon for supercapacitors containing electrolytes based on linear and cyclic ammonium tetrafluoroborate

Georgios Nikiforidis, S Phadke, M Anouti

Advanced Materials Interfaces   ·   29 Nov 2022   ·   doi:10.1002/admi.202200204

Comparison of internal pressure evolution at interfaces of activated carbon for supercapacitors with electrolytes based on linear and cyclic ammonium tetrafluoroborate.

Supercapacitors Activated Carbon

Cover Feature-Effective Ways to Stabilize Polysulfide Ions for High‐Capacity Li− S Batteries Based on Organic Chalcogenide Catholytes (ChemElectroChem 18/2022)

Georgios Nikiforidis, J Pires, S Phadke, M Anouti

ChemElectroChem   ·   01 Sep 2022   ·   doi:10.1002/celc.202200881

Cover feature illustrating the role of catholyte formulated with phenyl-dichalcogenide and cathode’s sulfur in enhancing Li-S battery performance with high energy density.

Li-S Batteries Polysulfide Stabilization

Effective Ways to Stabilize Polysulfide Ions for High‐Capacity Li−S Batteries Based on Organic Chalcogenide Catholytes

Georgios Nikiforidis, J Pires, S Phadke, M Anouti

ChemElectroChem   ·   01 Sep 2022   ·   doi:10.1002/celc.202200571

Study on performance parameters affecting Li−S batteries, highlighting catholytes with phenyl-dichalcogenide for high specific capacity and energy density.

Li-S Batteries Polysulfide Stabilization

Performance of PEDOTOH/PEO‐based Supercapacitors in Agarose Gel Electrolyte

S Wustoni, Georgios Nikiforidis, D Ohayon, S Inal, YS Indartono, V Suendo

Chemistry–An Asian Journal   ·   01 Sep 2022   ·   doi:10.1002/celc.202300102

Evaluation of hydroxymethyl PEDOT (PEDOTOH) electrodes with hydrogel additives for supercapacitors, highlighting high capacitance and performance in agarose-based gel electrolytes.

Supercapacitors Agarose Gel Electrolyte

Non‐Flammable Sodium Asymmetric Imide Salt‐Based Deep Eutectic Solvent for Supercapacitor Applications

J Chidiac, Georgios Nikiforidis, L Timperman, M Anouti

ChemPhysChem   ·   13 Jun 2022   ·   doi:10.1002/cphc.202200224

Study of non-flammable deep eutectic solvents based on sodium salts as electrolytes for supercapacitors, highlighting their safe and efficient performance.

Supercapacitors Deep Eutectic Solvents

Hydroxymethyl PEDOT microstructure-based electrodes for high-performance supercapacitors

S Wustoni, Georgios Nikiforidis, S Inal, YS Indartono, V Suendo, B Yuliarto

APL Materials   ·   01 Jun 2022   ·   doi:10.1063/5.0036723

Study on hydroxymethyl PEDOT (PEDOTOH) electrodes for supercapacitors, showing superior performance in specific capacitance and stability, highlighting the impact of solvents and electropolymerization modes.

Supercapacitors PEDOT Electrodes

Polarizable cesium cations for energy storage from electrolyte characterization to-EDLC application

Georgios Nikiforidis, M El Yagoubi, M Anouti

Electrochimica Acta   ·   01 Jan 2022   ·   doi:10.1016/j.electacta.2022.139529

Study on cesium bis(trifluoromethanesulfonyl) imide (CsTFSI) electrolytes for supercapacitors, showing high specific capacitance, stability, and suitability as a co-salt with LiTFSI.

Energy Storage Electrolyte Characterization

Anion effect on Li/Na/K hybrid electrolytes for Graphite//NCA (LiNi0.8Co0.15Al0.05O2) Li-ion batteries

A Jrondi, Georgios Nikiforidis, M Anouti

Journal of Energy Chemistry   ·   01 Jan 2022   ·   doi:10.1016/j.jechem.2021.02.012

Study of hybrid electrolytes containing Li, Na, or K salts, showing improved performance on NCA and graphite electrodes compared to standard electrolytes, promising for lithium-efficient Li-ion batteries.

Li-ion Batteries Electrolytes

2021

A Vanadium Redox Flow Battery based on a highly concentrated Protic Ionic Liquid Electrolyte

Georgios Nikiforidis, M Anouti

Journal of Energy Chemistry   ·   01 Nov 2021   ·   doi:10.1016/j.jechem.2021.10.020

Exploration of a highly concentrated protic ionic liquid electrolyte in vanadium redox flow batteries.

Vanadium Redox Flow Batteries Ionic Liquid Electrolytes

Less is More-Ultra Low LiPF6 Concentrated Electrolyte for Efficient Li‐Ion Batteries

Georgios Nikiforidis, M Anouti

Batteries & Supercaps   ·   03 Aug 2021   ·   doi:10.1002/batt.202100289

Study on ultra-low concentrated lithium salt electrolyte for Li-ion batteries, demonstrating solid performance, modest decomposition, and superior behavior compared to mainstream electrolytes.

Li-ion Batteries Electrolytes

Phosphonium ionic liquid-based electrolyte for high voltage Li-ion batteries-Effect of ionic liquid ratio

Y Bencherifi, B Larhrib, A Sayegh, Georgios Nikiforidis, M Anouti

Journal of Applied Electrochemistry   ·   30 Jul 2021   ·   doi:10.1007/s10800-021-01551-w

Study on a nonflammable phosphonium-based electrolyte for Li-ion batteries, showing high performance and stability with a focus on the impact of ionic liquid ratio.

Li-ion Batteries Electrolytes

Amide-based deep eutectic solvents containing LiFSI and NaFSI salts as superionic electrolytes for supercapacitor applications

S Amara, W Zaidi, L Timperman, Georgios Nikiforidis, M Anouti

The Journal of Chemical Physics   ·   26 Apr 2021   ·   doi:10.1063/5.0045378

Study of deep eutectic solvents based on LiFSI and NaFSI with N-methylacetamide and formamide as electrolytes for activated carbon supercapacitors, showing high specific capacitance and good stability.

Electrolytes Supercapacitors

Mixed conduction in an n‐type organic semiconductor in the absence of hydrophilic side‐chains

J Surgailis, A Savva, V Druet, BD Paulsen, R Wu, A Hamidi‐Sakr, Georgios Nikiforidis

Advanced Functional Materials   ·   18 Mar 2021   ·   doi:10.1002/adfm.202010165

Study showing that the ladder-type, side-chain-free polymer BBL outperforms the donor-acceptor copolymer P-90 in organic electrochemical transistors, offering better ion-to-electron coupling and higher mobility.

Organic Semiconductors Mixed Conduction

Operational Strategies to Improve the Performance and Long‐Term Cyclability of Intermediate Temperature Sodium‐Sulfur Batteries

S Kandhasamy, Georgios Nikiforidis, GJ Jongerden, F Jongerden

ChemElectroChem   ·   10 Mar 2021   ·   doi:10.1002/celc.202200681

Study on the safety and stability of sodium-sulfur batteries using different conductive electrolytes, highlighting the SPBF4/ACN system’s suitability for energy storage devices.

Sodium-Sulfur Batteries Cyclability Improvement

Low-concentrated lithium hexafluorophosphate ternary-based electrolyte for a reliable and safe NMC/Graphite Lithium-ion battery

Georgios Nikiforidis, M Raghibi, A Sayegh, M Anouti

The Journal of Physical Chemistry Letters   ·   16 Feb 2021   ·   doi:10.1021/acs.jpclett.1c00125

Investigation of a low-concentration LiPF6 electrolyte in a ternary solvent mixture for NMC111/graphite pouch cells, showing high specific capacity, high Coulombic efficiencies, and excellent performance over 700 cycles.

Lithium-ion Batteries Electrolytes

2020

Benchmarking the Performance of Electropolymerized Poly (3, 4‐ethylenedioxythiophene) Electrodes for Neural Interfacing

Georgios Nikiforidis, S Wustoni, C Routier, A Hama, A Koklu, A Saleh, N Steiner

Macromolecular Bioscience   ·   16 Nov 2020   ·   doi:10.1002/mabi.202000215

Study of copolymers based on 3,4-ethylenedioxythiophene (EDOT) for neural interfacing, highlighting high specific capacitance and stability, with insights on additives and dopants effects.

Neural Interfacing Poly(3 4-ethylenedioxythiophene) Electrodes

A self-standing organic supercapacitor to power bioelectronic devices

Georgios Nikiforidis, S Wustoni, D Ohayon, V Druet, S Inal

ACS Applied Energy Materials   ·   27 Jul 2020   ·   doi:10.1021/acsaem.0c01572

Development of a lightweight, biocompatible supercapacitor made of conducting polymer electrodes and an agarose hydrogel, demonstrating high energy and power density, stability, and flexibility.

Organic Supercapacitors Bioelectronic Devices

Water stable molecular n-doping produces organic electrochemical transistors with high transconductance and record stability

AF Paterson, A Savva, S Wustoni, L Tsetseris, BD Paulsen, H Faber, Georgios Nikiforidis

Nature communications   ·   12 Jun 2020   ·   doi:10.1038/s41467-020-16817-3

Demonstration of water-stable n-doping in electron transporting organic electrochemical transistors. The doping enhances transconductance, channel capacitance, and mobility, with improved operational and shelf-life stability.

Organic Electronics Electrochemical Transistors

2019

Biofuel powered glucose detection in bodily fluids with an n-type conjugated polymer

D Ohayon, Georgios Nikiforidis, A Savva, A Giugni, S Wustoni, T Palanisamy

Nature materials   ·   16 Dec 2019   ·   doi:10.1038/s41563-020-0601-5

Integration of an n-type conjugated polymer with a redox enzyme for glucose detection and power generation. The sensor, an enzyme-coupled organic electrochemical transistor, shows a detection range of six orders of magnitude. This polymer is also used in an enzymatic fuel cell to convert glucose and oxygen into electrical power.

Biofuels Glucose Detection

On the role of contact resistance and electrode modification in organic electrochemical transistors

AF Paterson, H Faber, A Savva, Georgios Nikiforidis, M Gedda, TC Hidalgo

Advanced Materials   ·   25 Jul 2019   ·   doi:10.1002/adma.201902291

Investigation into contact resistance in n-type organic electrochemical transistors, highlighting the role of source/drain electrode treatment in improving device performance.

Contact Resistance Electrochemical Transistors

High and intermediate temperature sodium–sulfur batteries for energy storage_development, challenges and perspectives

Georgios Nikiforidis, MCM Van de Sanden, MN Tsampas

RSC advances   ·   04 Feb 2019   ·   doi:10.1039/C8RA10432H

Review of high and intermediate temperature sodium-sulfur (NaS) batteries, discussing key components, electrochemical reactions, and technical challenges, with a focus on improving energy density and safety.

Sodium–Sulfur Batteries Energy Storage

An electrochemical study on the cathode of the intermediate temperature tubular sodium-sulfur (NaS) battery

Georgios Nikiforidis, GJ Jongerden, EF Jongerden, MCM Van De Sanden, MN Tsampas

Journal of The Electrochemical Society   ·   12 Jan 2019   ·   doi:10.1149/2.0081902jes

Study of the intermediate temperature sodium-sulfur (NaS) battery cathode, demonstrating robust long-term performance with a volumetric energy density of 83 Wh L−1 and a tenfold volume scale-up.

Sodium-Sulfur Batteries Cathode Electrochemistry

2018

Designing Redox‐Stable Cobalt–Polypyridyl Complexes for Redox Flow Batteries_Spin‐Crossover Delocalizes Excess Charge

C Yang, Georgios Nikiforidis, JY Park, J Choi, Y Luo, L Zhang, SC Wang

Advanced Energy Materials   ·   15 May 2018   ·   doi:10.1002/aenm.201702897

Study on enhancing the stability of redox-active cobalt–polypyridyl complexes for redox flow batteries using spin-crossover and chelation effects. Prototype Co-complexes showed stable cycling performance over 600 cycles.

Redox Flow Batteries Cobalt–Polypyridyl Complexes

2016

High energy efficiency and stability for photoassisted aqueous lithium–iodine redox batteries

Georgios Nikiforidis, K Tajima, HR Byon

ACS Energy Letters   ·   21 Sep 2016   ·   doi:10.1021/acsenergylett.6b00359

Demonstration of photoassisted lithium–iodine (Li–I2) redox cells with hematite photoelectrodes, achieving high energy efficiency (∼95.4%) and stability over 600 hours of cycling.

Lithium–Iodine Batteries Energy Efficiency

Vanadium microfluidic fuel cell with novel multi-layer flow-through porous electrodes-Model, simulations and experiments

L Li, Georgios Nikiforidis, MKH Leung, WA Daoud

Applied energy   ·   01 Sep 2016   ·   doi:10.1016/j.apenergy.2016.05.134

Study of a vanadium microfluidic fuel cell using multi-layer flow-through porous carbon paper electrodes, highlighting the balance between performance and cost in cell design.

Microfluidic Fuel Cells Vanadium

2015

Thermally modified graphite electrodes for the positive side of the zinc-cerium redox flow battery

Georgios Nikiforidis, WA Daoud

Journal of the Electrochemical Society   ·   01 Jun 2015   ·   doi:10.1149/2.0011506jes

Thermal modification of graphite electrodes enhances performance and stability for the Ce(III)/(IV) reaction in the zinc-cerium redox flow battery, showing improved kinetics and low charge transfer resistance.

Graphite Electrodes Zinc-Cerium Redox Flow Batteries

Indium modified graphite electrodes on highly zinc containing methanesulfonate electrolyte for zinc-cerium redox flow battery

Georgios Nikiforidis, WA Daoud

Electrochimica Acta   ·   17 Mar 2015   ·   doi:10.1016/j.electacta.2014.01.103

Study of indium modified graphite electrodes for the zinc-cerium redox flow battery, showing improved kinetics and higher coulombic efficiencies, with good durability over 340 cycles.

Graphite Electrodes Zinc-Cerium Redox Flow Batteries

2014

Electrochemical behavior of carbon paper on cerium methanesulfonate electrolytes for zinc-cerium flow battery

Georgios Nikiforidis, Y Xiang, WA Daoud

Electrochimica Acta   ·   24 Nov 2014   ·   doi:10.1016/j.electacta.2014.01.079

Investigation of the Ce(III)/(IV) reaction in cerium methanesulfonate electrolytes on pristine and metal-modified carbon paper electrodes, showing robust performance and improved kinetics at elevated temperatures.

Carbon Paper Zinc-Cerium Flow Batteries

Effect of mixed acid media on the positive side of the hybrid zinc-cerium redox flow battery

Georgios Nikiforidis, WA Daoud

Electrochimica Acta   ·   02 Jun 2014   ·   doi:10.1016/j.electacta.2014.01.125

Investigation of the Ce3+/4+ reaction in mixed acid electrolytes, showing enhanced reversibility and kinetics with the addition of hydrochloric, nitric, and sulfuric acid to methanesulfonic acid.

Mixed Acid Media Redox Flow Batteries

The development of Zn–Ce hybrid redox flow batteries for energy storage and their continuing challenges

FC Walsh, C Ponce de Léon, L Berlouis, Georgios Nikiforidis

ChemPlusChem   ·   27 May 2014   ·   doi:10.1002/cplu.201402066

Exploration of platinum-based NOx storage and reduction (NSR) catalysts containing transition metals (Mn, Fe, Co) on alumina–ceria–zirconia support. PtCo/Ba/ACZ shows higher NOx storage capacity than 1.0 wt % Pt/Ba/ACZ, allowing Pt replacement in NSR catalysts.

Energy Storage Redox Flow Batteries

Factors affecting the performance of the Zn-Ce redox flow battery

Georgios Nikiforidis, R Cartwright, D Hodgson, D Hall, L Berlouis

Electrochimica Acta   ·   04 May 2014   ·   doi:10.1016/j.electacta.2014.01.103

Investigation of current density effects on zinc electrodeposition in a methanesulfonic acid electrolyte, highlighting factors for maintaining high coulombic and cell potential efficiencies in Zn-Ce redox flow batteries.

Redox Flow Batteries Performance Factors

Charge/discharge cycles on Pt and Pt-Ir based electrodes for the positive side of the Zinc-Cerium hybrid redox flow battery

Georgios Nikiforidis, L Berlouis, D Hall, D Hodgson

Electrochimica Acta   ·   10 Apr 2014   ·   doi:10.1016/j.electacta.2014.01.079

Study on the charge/discharge behavior of the Ce3+/Ce4+ redox couple in methanesulfonic acid on Pt and Pt-Ir coated electrodes, highlighting high voltage efficiencies and stability at elevated temperatures.

Pt and Pt-Ir Electrodes Redox Flow Batteries

2013

An electrochemical study on the positive electrode side of the zinc–cerium hybrid redox flow battery

Georgios Nikiforidis, L Berlouis, D Hall, D Hodgson

Electrochimica Acta   ·   24 Oct 2013   ·   doi:10.1016/j.electacta.2013.11.078

Study on the Ce3+/4+ redox reaction in methanesulfonic acid on various electrode substrates, showing improved kinetics at elevated temperatures and identifying Pt–Ir coatings as the most suitable for the positive electrode.

Positive Electrode Redox Flow Batteries

A study of different carbon composite materials for the negative half-cell reaction of the zinc cerium hybrid redox flow cell

Georgios Nikiforidis, L Berlouis, D Hall, D Hodgson

Electrochimica Acta   ·   14 Jun 2013   ·   doi:10.1016/j.electacta.2013.09.054

Evaluation of carbon composites for the negative electrode in the zinc–cerium redox flow cell, highlighting high coulombic efficiencies and robust performance over 250 cycles.

Carbon Composite Materials Redox Flow Cells

Impact of electrolyte composition on the performance of the zinc–cerium redox flow battery system

Georgios Nikiforidis, L Berlouis, D Hall, D Hodgson

Journal of power sources   ·   02 Apr 2013   ·   doi:10.1016/j.jpowsour.2013.09.058

Study on the zinc–cerium redox flow battery using carbon polymer composite materials. Examines electrolyte composition’s role in maintaining high coulombic efficiencies and achieving energy efficiencies over 60% at various temperatures.

Electrolyte Redox Flow Batteries

2012

Evaluation of carbon composite materials for the negative electrode in the zinc–cerium redox flow cell

Georgios Nikiforidis, L Berlouis, D Hall, D Hodgson

Journal of Power Sources   ·   15 May 2012   ·   doi:10.1016/j.jpowsour.2012.10.008

Investigation of three carbon composites as substrates for the negative electrode in the zinc–cerium redox flow cell, examining their performance under various conditions.

Carbon Composite Materials Redox Flow Cells