Výsledky vyhledávání - "Ahmad S. F. M. Asnawi"

Akademický článek

Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics

Autor: Ahmad S. F. M. Asnawi, Shujahadeen B. Aziz, Salah R. Saeed, Yuhanees M. Yusof, Rebar T. Abdulwahid, Shakhawan Al-Zangana, Wrya O. Karim, Mohd. F. Z. Kadir

Publikováno v: Membranes, Vol 10, Iss 12, p 389 (2020)

The polymer electrolyte based on Dx:Cs:Mg(CH3COO)2:Ni with three different glycerol concentrations have been prepared. The impedance study has verified that the electrolyte with 42 wt.% of glycerol (A3) has the highest ionic conductivity of 7.71 × 1

Externí odkaz: https://doaj.org/article/312d51b57c6849b191416cf383574374

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Akademický článek

Metal Complex as a Novel Approach to Enhance the Amorphous Phase and Improve the EDLC Performance of Plasticized Proton Conducting Chitosan-Based Polymer Electrolyte

Autor: Ahmad S. F. M. Asnawi, Shujahadeen B. Aziz, Muaffaq M. Nofal, Yuhanees M. Yusof, Iver Brevik, Muhamad H. Hamsan, Mohamad A. Brza, Rebar T. Abdulwahid, Mohd F. Z. Kadir

Publikováno v: Membranes, Vol 10, Iss 6, p 132 (2020)

This work indicates that glycerolized chitosan-NH4F polymer electrolytes incorporated with zinc metal complexes are crucial for EDLC application. The ionic conductivity of the plasticized system was improved drastically from 9.52 × 10−4 S/cm to 1.

Externí odkaz: https://doaj.org/article/3136b61c29a9435aa1c6fd6962e59776

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Design of potassium ion conducting PVA based polymer electrolyte with improved ion transport properties for EDLC device application

Autor: Hewa O. Ghareeb, Rebar T. Abdulwahid, Ahmad S. F. M. Asnawi, Mohd F. Z. Kadir, Tansir Ahamad, Shujahadeen B. Aziz, Saad M. Alshehri, Jihad M. Hadi

Publikováno v: Journal of Materials Research and Technology, Vol 13, Iss, Pp 933-946 (2021)

This work presents a report on the preparation of plasticized polyvinyl alcohol PVA-based polymer electrolytes using solution cast technique and their characteristics using a number of electrochemical techniques. Electrical impedance spectroscopy (EI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::555b851aaa9454b2035caebc683c7d3e
http://www.sciencedirect.com/science/article/pii/S2238785421004579

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Electrochemical performance of polymer blend electrolytes based on chitosan: dextran: impedance, dielectric properties, and energy storage study

Autor: Muaffaq M. Nofal, Wrya O. Karim, Mohamad A. Brza, Shujahadeen B. Aziz, Ahmad S. F. M. Asnawi, Mohd F. Z. Kadir, Elham M. A. Dannoun, Rebar T. Abdulwahid, H. M. Hamsan, Ranjdar M. Abdullah

Publikováno v: Journal of Materials Science: Materials in Electronics. 32:14846-14862

A facile and efficient methodology was implemented in preparation of plasticized polymer electrolyte with polymer blend of chitosan and dextran from leuconostocmesenteroides impregnated with magnesium acetate using solution cast technique. A number o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::730490c3040668dc64a8ed117ffd1e18
https://doi.org/10.1007/s10854-021-06038-7

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Fresh oil palm frond juice as a novel and alternative fermentation medium for bacterial cellulose production

Autor: Y. M. Yusof, Siti Nur Nadhirah Said Azmi, Hidayah Ariffin, Ahmad S. F. M. Asnawi, Fathin Amila Faisul Aris, Siti Nur Najwa Farhah Mohd Fabli, Sharifah Soplah Syed Abdullah, Zainatul `Asyiqin Samsu

Publikováno v: Materials Today: Proceedings. 42:101-106

In this study, fresh oil palm frond (OPF) juice was explored as an alternative fermentation medium for the production of bacterial cellulose (BC) by Acetobacter xylinum 0416. The effect of surface area to volume of fermentation medium (S/V) ratio and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b96cbaed314e31082988a9cb5e0cdb0f
https://doi.org/10.1016/j.matpr.2020.10.220

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Investigation on electrochemical characteristics of maltodextrin – methyl cellulose electrolytes

Autor: Mohd F. Z. Kadir, Shujahadeen B. Aziz, M. H. Hamsan, Ahmad S. F. M. Asnawi, Y. M. Yusof

Publikováno v: Molecular Crystals and Liquid Crystals. 708:63-91

Methyl cellulose (MC) is well-known as a good candidate to serve as polymer host while maltodextrin (MX) is an interesting polymer to be explored in this field. MX-MC based electrolyte has the high...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc692b35b4c505df0d4f72f4d87f1e3e
https://doi.org/10.1080/15421406.2020.1810954

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Design of plasticized proton conducting Chitosan:Dextran based biopolymer blend electrolytes for EDLC application: Structural, impedance and electrochemical studies

Autor: Jihad M. Hadi, Mohd F. Z. Kadir, Ranjdar M. Abdullah, Yaser A. El-Badry, Saad M. Alshehri, Enas E. Hussein, Ahmad S. F. M. Asnawi, Tansir Ahamad, Shujahadeen B. Aziz

Publikováno v: Arabian Journal of Chemistry, Vol 14, Iss 11, Pp 103394-(2021)

In this work, for the use of an electrical double-layer capacitor (EDLC) device applications, the fabrication and characterization of solid polymer electrolytes (SPEs) based on chitosan-dextran (CS-DN) blended polymer doped and plasticized with ammon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bfbec3df2fb00e629a8a4114f2aacc2
http://www.sciencedirect.com/science/article/pii/S1878535221004093

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Structural, Electrical and Electrochemical Properties of Glycerolized Biopolymers Based on Chitosan (CS): Methylcellulose (MC) for Energy Storage Application

Autor: Jihad M. Hadi, Shujahadeen B. Aziz, Saad M. Alshehri, Y. M. Yusof, Tansir Ahamad, Ahmad S. F. M. Asnawi, Mohd F. Z. Kadir

Publikováno v: Polymers
Polymers, Vol 13, Iss 1183, p 1183 (2021)
Volume 13
Issue 8

In this work, a pair of biopolymer materials has been used to prepare high ion-conducting electrolytes for energy storage application (ESA). The chitosan:methylcellulose (CS:MC) blend was selected as a host for the ammonium thiocyanate NH4SCN dopant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48abf3845474490b8fa5fa0a1499b383
http://europepmc.org/articles/PMC8067534

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A Polymer Blend Electrolyte Based on CS with Enhanced Ion Transport and Electrochemical Properties for Electrical Double Layer Capacitor Applications

Autor: Muaffaq M. Nofal, Elham M. A. Dannoun, Hewa O. Ghareeb, Ahmad S. F. M. Asnawi, M. H. Hamsan, Jihad M. Hadi, Shujahadeen B. Aziz, Wrya O. Karim, Mohd F. Z. Kadir

Publikováno v: Polymers
Polymers, Vol 13, Iss 930, p 930 (2021)
Volume 13
Issue 6

The fabrication of energy storage EDLC in this work is achieved with the implementation of a conducting chitosan–methylcellulose–NH4NO3–glycerol polymer electrolyte system. The simple solution cast method has been used to prepare the electrolyt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0923df4f24101dd06fb0589fa16f3ff1
https://pubmed.ncbi.nlm.nih.gov/33803001

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Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics

Autor: Mohd F. Z. Kadir, Shakhawan Al-Zangana, Salah R. Saeed, Shujahadeen B. Aziz, Wrya O. Karim, Ahmad S. F. M. Asnawi, Y. M. Yusof, Rebar T. Abdulwahid

Publikováno v: Membranes, Vol 10, Iss 389, p 389 (2020)
Membranes
Volume 10
Issue 12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e920dbf06fc8480765c95e893840c5a1
https://www.mdpi.com/2077-0375/10/12/389

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