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Archive for Mohamad Jasim M

Fuel cell

Dual proton transport in Schiff base-modified chitosan functionalized with AMPS for fuel cell applications

Abstract Proton exchange membranes (PEMs) require high proton conductivity, stability, and durability for fuel cell applications. This study reports the synthesis of N-(2-acrylamido-2-methylpropane sulfonyl) chitosan (CSB) via Schiff base functionalization with 2-acrylamido-2-methylpropane sulfonic acid (AMPS) and the introduction of imine (–CH=N–) and sulfonic acid (–SO3H) groups, which significantly enhance dual proton conduction mechanisms through the […]

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Food science

Comparative Effects of Various Plasticizers on the Physicochemical Characteristics of Polyhydroxybutyrate (PHB) Film for Food Packaging

Abstract This work examined the effects of four plasticizers, glycerol (GLY), potassium phosphate (PHOS), polyethylene glycol (PEG), and soy lecithin (SL), on the structural, surface, thermal, optical, and mechanical properties of polyhydroxybutyrate (PHB) films. FTIR spectra demonstrated that these plasticizers maintained the PHB molecular structure, while X-ray diffraction data proved that PHB crystallinity decreased upon […]

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Clean Energy and Renewable Tech

Functionalized clay nanocomposites for enhanced proton conductivity in polyether-based fuel cell membranes

Abstract This review critically examines the recent progress in the development of sulfonated polyether sulfone (SPES) and its derivatives (including sulfonated polyether sulfone with open sulfonic acid groups (SPESOS)) as functional matrices for next-generation proton exchange membrane (PEM) fuel cells. SPES-based membranes offer a tunable backbone, excellent thermal and mechanical stability, and chemical resistance, yet […]

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Clean Energy and Renewable Tech

Enhanced lithium-ion transport in oxidized polyvinyl alcohol/La0·56Li0·33TiO3 hybrid electrolytes for solid-state batteries

Abstract This study explores the electrical and dielectric properties of hybrid solid electrolytes made from hydrothermally synthesized La0·56Li0·33TiO3 (LLTO) oxide and oxidized polyvinyl alcohol (OPVA). The influence of LLTO on ionic conductivity and dielectric behavior was assessed by incorporating it into the OPVA matrix at weight ratios of 5, 10, 20, and 30%. Read More

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