Clean Energy & Hydrogen

Pr Khaled Charradi

Senior Expert in Hydrogen and Energy Storage

Khaled Charradi specialises in hydrogen and energy storage.

Dr Sahbi Hamrouni

PhD in Physics

Sahbi Hamrouni holds a PhD in Physics.

Mohamed Khayri Rahmani

PhD in Electrical Engineering

Mohamed Khayri Rahmani holds a PhD in Electrical Engineering and researches AI-driven energy efficiency and intelligent control.

2025-04-24 · Materials for Renewable and Sustainable Energy

Enhanced proton conductivity of sulfonated poly(ether ether ketone) incorporating oxidized polyvinyl alcohol for high-performance proton exchange membranes

Mohamed A. Ben Ali; Mohamed A. Ben Moussa; Souhib Umer Ilyas; et al.

Alternative proton exchange membranes (PEMs) with high proton conductivity must be fabricated at reasonable costs to qualify as commercially used proton-exchange membrane fuel cells (PEMFCs).

2025-03-12 · Emergent Materials

Proton conductivity amelioration of chitosan via novel Schiff base formation with oxidized polyvinyl alcohol for proton exchange membrane

Qana A. Alsulami; Wafa A. Bawazir; Sherif M. A. S. Keshk

Chitosan (CS) is a naturally occurring biopolymer that is readily accessible and widely used in various industrial applications. However, its low proton conductivity, particularly at elevated temperatures, poses challenges for its application as a proton exchange…

2024-08-10 · Materials for Renewable and Sustainable Energy

Performance of high sulfonated poly(ether ether ketone) improved with microcrystalline cellulose and 2,3-dialdehyde cellulose for proton exchange membranes

Mohamed Amine Ben Moussa; Zakarya Ahmed; Khaled Charradi; et al.

Sulfonated poly (ether ether ketone) (SPEEK) has received substantial attention for its potential to improve the electrochemical behavior and thermomechanical capabilities of direct methanol fuel cells. This study examines how the integration by solution casting of…

2024-05-04 · Journal of Applied Polymer Science

Sulfo ethyl cellulose/ Nafion composite for high‐temperature proton exchange membrane

Khaled Charradi; Zoubaida Landolsi; Thomas Heinze; et al.

This study investigated the potential enhancement of proton conductivity in Nafion membranes through the incorporation of sulfo ethyl cellulose (SEC) at varying weight ratios (5 and 10 wt.%). Results indicated that increasing the weight ratio of…

2024-04 · Materials Chemistry and Physics

Enhancing the performance of proton exchange membranes: Incorporating layered double hydroxides into low sulfonated polyether sulfone octyl sulfonamide composite membranes

Imen Ben Kacem; Walid Mabrouk; Khaled Charradi; et al.

An interesting approach was employed to fabricate ion exchange membranes tailored for proton exchange membrane applications. This involved blending low sulfonated polyether sulfone octyl sulfonamide (LSPSO) with Layered Double Hydroxides (LDHs) clay at varying weight ratios…

2024-03-01 · Materials for Renewable and Sustainable Energy

Incorporation of multilayered double hydroxides/sepiolite augments proton conductivity performance in low sulfonated polyether sulfone octyl sulfonamide

khaled Charradi; Walid Mabrouk; Imen Ben Kacem; et al.

Low-sulfonation-level polyether sulfone octyl sulfonamide (LSPSO) was blended with a layered double hydroxides (LDHs, Mg2AlCl)/sepiolite nanostructure clay as a fller to create an electrolyte membrane for fuel cell applications. Comprehensive characterization of the composite membranes was…

2024-02-16 · Materials for Renewable and Sustainable Energy

Significant augmentation of proton conductivity in low sulfonated polyether sulfone octyl sulfonamide membranes through the incorporation of hectorite clay

Walid Mabrouk; Khaled Charradi; Imen Ben Kacem; et al.

An innovative methodology was employed to fabricate ion exchange membranes tailored for fuel cell applications. This approach entailed blending low sulfonated polyether sulfone octyl sulfonamide (LSPSO) with Hectorite (Hect) clay at varying weight percentages (1 wt%,…

2023-08-14 · Journal of Solid State Electrochemistry

Incorporating of sulfo ethyl cellulose to augment the performance of sulfonated poly (ether ether ketone) composite for proton exchange membrane fuel cells

Khaled Charradi; Zoubaida Landolsi; Lars Gabriel; et al.

Composite membranes comprising sulfonated poly (ether ether ketone) (SPEEK) blended with varying proportions of sulfoethyl cellulose (SEC) at 5 wt% and 10 wt% were fabricated for fuel cell application. The structural, morphological, and thermal properties of…

2023-08-03 · Journal of Materials and Polymer Science

3D Thermal Study of Double Partition Brick Drying

Rzig Ramzi; Minyar Mnakri; Nidhal Ben Khedher

In porous media, heat and mass transfer is a classical model of transport and it is one of the most energy-intensive industrial processes with a wide variety of applications. This present paper is developed in order…

Active · 2026–2028

LEAPES — Bio-based membranes and catalysts for fuel cells and green hydrogen

Research into bio-based membranes and catalysts for proton exchange membrane fuel cells and green hydrogen electrolyzers.

Horizon Europe Collaborative Proposal

BIO-MICRO-GRADE

BIO-MICRO-GRADE is a European collaborative research proposal focused on developing a new generation of sustainable, bio-derived materials for solid-state energy storage.