Development of a novel Bi4Ti3O12/chitosan/rGO piezoelectric bio-composite for mechanical energy harvesting: Output energy optimization using response surface …

M Derraz, H Radoine, A Boumegnane, MAB Achour… - Ceramics …, 2025 - Elsevier
This study focuses on the development of a novel 0–3 bio-piezoelectric composite utilizing
bismuth titanate (Bi 4 Ti 3 O 12) as the piezoelectric ceramic, chitosan as the polymer matrix …

Exploring the piezoelectric porous polymers for energy harvesting: a review

I Najihi, C Ennawaoui, A Hajjaji… - Energy Harvesting and …, 2024 - degruyter.com
In addition to traditional piezoelectric polymers, mono-crystals and ceramics, piezoelectrets
or charged voided polymers have shown an interesting piezoelectric response by converting …

Extraction and physicochemical characterization of an environmentally friendly biopolymer: chitosan for composite matrix application

M Derraz, A Elouahli, C Ennawaoui… - Journal of Composites …, 2023 - mdpi.com
Chitosan, which is a derivative of chitin, is particularly popular due to its biodegradable and
renewable nature. However, the properties of chitosan can be inconsistent due to the …

[HTML][HTML] Mathematical modeling for predicting electrical energy harvested using piezoelectric composite materials for smart system applications

M Derraz, C Ennawaoui, H Mastouri… - Micro and Nano …, 2024 - Elsevier
In the contemporary quest for sustainable energy, the potential of piezoelectric energy
harvesters to convert mechanical vibrations into electrical energy has become increasingly …

Optimized photovoltaic panels power using cooling system based thermoelectric materials

H Kandry, C Ennawaoui, A El Ballouti, Z Malki… - Materials Today …, 2022 - Elsevier
In this work, we investigated the integration of thermoelectric cooling (TEC) devices into
photovoltaic (PV) generators to form PV-TEC systems to improve system performance. The …

Frequency and load effects on rectifier bridges and active circuits on mechanical energy harvested using piezoelectric materials

Y El Hmamsy, C Ennawaoui, A Hajjaji… - … Journal of Renewable …, 2023 - ijrer-net.ijrer.org
Today, with the worldwide surge in the price of oil, the energy issue has become an
important topic and the possibility of exploiting ambient energy is receiving renewed …

[PDF][PDF] Morphological, piezoelectric and dielectric properties of piezoelectric lead-free ceramic Bi 4 Ti 3 O 12 for energy harvesting applications: milling process effects

M Derraz, C Ennawaoui, MAB Achour, A Hajjaji… - Links, 2023 - mattech-journal.org
La commission «Corrosion sous contrainte–Fatigue–Corrosion» du CEFRACOR organisait
annuellement, il ya quelques années, des Journées «Jeunes Chercheurs». L'objectif était …

[PDF][PDF] Micro and Nano Engineering

M Derraz, C Ennawaoui, H Mastouri, Y El Hmamssy - researchgate.net
In the contemporary quest for sustainable energy, the potential of piezoelectric energy
harvesters to convert mechanical vibrations into electrical energy has become increasingly …