An investigation on the abnormal trend of the conductivity properties of CMC/PVA-doped NH4Cl-based solid biopolymer electrolyte system

Mazuki, N.F.; Fuzlin, A.F.; Saadiah, M.A.; Samsudin, A. S.

doi:10.1007/s11581-018-2734-9

Cited by 72 publications

(33 citation statements)

References 66 publications

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“…However, for CN30 the percentage of free ion has reduced due to the association of ions leading to salt aggregation, well supported by FTIR that exhibits a peak of NO − 3 at 832 cm −1 implying that availability of functional group is not sufficient to dissociate the salt and thus leading to ion aggregates [64]. Even though the percentage of free ions is low for the highest conducting SPE, ionic conductivity is strongly associated with mobility and diffusion coefficient [65].…”

Section: Transport Property Studymentioning

confidence: 85%

Dielectric relaxations and ion transport study of NaCMC:NaNO3 solid polymer electrolyte films

Shetty

ISMAYIL

Hegde

et al. 2021

Ionics

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Na+ ion-conducting solid polymer electrolyte (SPE) of sodium salt of carboxymethyl cellulose (NaCMC) doped with sodium nitrate (NaNO3) was developed by solution casting method. FTIR technique confirmed the formation of hydrogen bonding between $$ {NO}_3^{-} $$ NO 3 − anion and functional groups of NaCMC. XRD study revealed the low degree of crystallinity that reduced upon doping. Impedance spectroscopy was adapted in order to analyze the conductivity and dielectric relaxation phenomena of the polymer-salt complex. FTIR deconvolution technique was employed to understand the factor that influences the ionic conductivity in SPE; concentration of mobile ions and ionic mobility both play a vital role. Ion transference number has been found out to be > 0.97 for all samples indicating that the conducting species are primarily ions. The highest ionic conductivity of ̴ 3 × 10−3 Scm−1 with the mechanical strength of 30.12 MPa was achieved for a host containing 30 wt.% NaNO3 at ambient temperature.

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Section: Transport Property Studymentioning

confidence: 85%

Dielectric relaxations and ion transport study of NaCMC:NaNO3 solid polymer electrolyte films

Shetty

ISMAYIL

Hegde

et al. 2021

Ionics

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“…It can be explained that with the increment of LiNO 3 in BEs system, it will enhance the dissociation of Li + -NO 3 − where positively charged cations from ionic dopant will more attracted to negatively charged of electron pairs from alginate [19]. The changes in wavenumber revealed the complexes between alginate and LiNO 3 via weak van der Waals attraction of dipole-dipole forces [20] and this would lead to affect the ionic conduction in BEs system. Besides, the Li + from LiNO 3 function as electrophile positive ion in order to interact with polar group of alginate (Li + K − O) [21].…”

Section: Resultsmentioning

confidence: 99%

Study on the effect of lithium nitrate in ionic conduction properties based alginate biopolymer electrolytes

Fuzlin

Bakri

Sahraoui

et al. 2019

Mater. Res. Express

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In this present work, the conduction properties of biopolymer electrolytes (BEs) based alginate incorporation with LiNO 3 was studied. FTIR analysis showed there is complexation occurred when incorporation with LiNO 3 via COO − group of alginate. The interaction between alginate and LiNO 3 shown an improvement in ionic conductivity of BEs where was increased from 3.24×10 -7 S cm −1 for un-doped sample and achieved optimum value at 1.14×10 -4 S cm −1 for sample containing with 15 wt. % LiNO 3 . The prepared samples shown that it has thermally assisted when the temperature is increased and shown Arrhenius behavior. Deconvolution approached revealed that the present ionic conduction of BEs influenced by ionic mobility and diffusion coefficient.

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“…The occurrence of such slightly shift was regarded to the existence of oxygen from C-O-interacted with OH or COOH groups from SWCNTs presence in the SWCNTs/TiO 2 . In the other side, Mazuki et al suggested that the band at 1323cm -1 is assigned to -OH bending [47]. The peaks observed between 2908 and 2845 cm -1 were similar and dissimilar C-H 2 bond's osculation.…”

Section: Ftir Spectroscopy Analysismentioning

confidence: 99%

Synthesis of the SWCNTS/TiO2 Nanostructure and Its Effect on the Thermal, Optical, and Conductivity Properties of the CMC/PEO as Application of Low Energy Density Devices

Alsulami

Rajeh

2021

Preprint

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The TiO2 NPs synthesized by sol-gel method and the SWCNTs/TiO2 nanostructure fabricated by a simple mixing technique. By a solution casting process, pure CMC/PEO and SWCNTs/TiO2 nanohybrid doped CMC/PEO polymer blend films are prepared. It discussed the influence of polymer blend and MWCNTs/TiO2 nanohybrid loading on the properties of physical of the polymer blend. The XRD pattern shows that the average crystallite size of the nanoparticles for TiO2 and SWCNTs/TiO2 is 20 nm and 15 nm, respectively, and an increase in amorphicity was observed with an increase in doping. The interaction of CMC/PEO chains and SWCNTs/TiO2 nanohybrid is confirmed by FTIR spectra. The optical absorption spectrum shows that the energy gap reduces with the dopant increase. The miscibility between the CMC and PEO is demonstrated by DSC thermograms. An Enhancement in the thermal stability of the prepared samples with an increase in content of dopant is seen in the TGA analysis. The maximum value of the blend's AC conductivity is 4.77 10-5 S/m, and by increasing the loading of SWCNTs/TiO2 to 4.8 (wt.%) increased to 8.07 10-4 S/m. The conduction mechanism changed with SWCNTs/TiO2 loading from the correlated barrier hopping, in the blend, to the large Polaron tunneling. Usage of these nanocomposite films in the semiconductor industry is encouraged by the observed improvements in optical, thermal, and AC conductivity.

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An investigation on the abnormal trend of the conductivity properties of CMC/PVA-doped NH4Cl-based solid biopolymer electrolyte system

Cited by 72 publications

References 66 publications

Dielectric relaxations and ion transport study of NaCMC:NaNO3 solid polymer electrolyte films

Dielectric relaxations and ion transport study of NaCMC:NaNO3 solid polymer electrolyte films

Study on the effect of lithium nitrate in ionic conduction properties based alginate biopolymer electrolytes

Synthesis of the SWCNTS/TiO2 Nanostructure and Its Effect on the Thermal, Optical, and Conductivity Properties of the CMC/PEO as Application of Low Energy Density Devices

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