Characterizing sodium-conducting biopolymer blend electrolytes with glycerol plasticizer for EDLC application

Hadi, Jihad M.; Aziz, Shujahadeen B.; Abdulwahid, Rebar T.; Brza, Mohamad A.; Tahir, Hawzhin B.; Hamad, Samir M.; Shamsuri, N. A.; Woo, H. J.; Alias, Y.; Hamsan, M. H.; Steve, O. J. S.; Kadir, M. F. Z.

doi:10.1007/s11581-024-05412-9

Cited by 1 publication

(1 citation statement)

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“…The only notable deviation occurs at 1 GHz with ethanol, likely due to its molecular resonance at microwave frequencies, which leads to increased dielectric losses. However, this is not a concern for biocomposites, as they exhibit different molecular structures and interactions with electromagnetic fields, resulting in significantly lower dielectric losses at this frequency [ 47 , 48 , 49 ]. The results successfully confirmed the validation of the simulated model and its potential for practical applications.…”

Section: Proposed Methodsmentioning

confidence: 99%

A Method for Sensing Dielectric Properties of Thin and Flexible Conductive Biocomposites

Cataldo,

Demitri,

Lamanna

et al. 2024

Sensors

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This study investigates the dielectric properties of conductive biocomposites (CBs), which are integral to the development of advanced materials for flexible electronics and medical devices. A novel method employing Microwave Reflectometry (MR) is introduced, utilizing a miniaturized Vector Network Analyzer (m-VNA) and a dedicated sensing element (SE), to extract the dielectric properties of CBs. The method is grounded in a minimization principle, aligning the measured S11 reflection scattering parameter with its electromagnetic (EM) simulation, facilitating a refined process for determining the dielectric properties. The experimental setup was meticulously engineered, optimized, and validated using reference dielectric samples (RDSs) with known dielectric properties. The method was then applied to three innovative CBs, resulting in an accurate extrapolation of their dielectric properties. The findings highlight the method’s versatility, cost-efficiency, and applicability to ultra-thin and flexible biopolymer films, offering significant potential for advancements in flexible electronics and bio-sensing applications.

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Section: Proposed Methodsmentioning

confidence: 99%