Ionic transport studies of solid bio-polymer electrolytes based on carboxymethyl cellulose doped with ammonium acetate and its potential application as an electrical double layer capacitor
“…30 Besides, the increased value of ionic conductivities was also attributed to the increment of polymer segmental motion and the flexibility of the SPEs systems. 31 A high degree of dissociated ions will eliminate the crystalline nature and causes the system to become more amorphous. 32 Figure 2.Ionic conductivity for various composition of (NH 4 ) 2 SO 4 at ambient temperature.…”
The present work highlights the contribution of ammonium sulfate (NH4)2SO4 as H+ carriers in alginate-based solid polymer electrolytes (SPEs) that were successfully prepared via a solution casting technique. The Fourier transform infrared analysis revealed that molecular interactions between the host polymer and the ionic dopant complexes occurred at the wavenumbers 3700–2500 cm−1, 1800–1500 cm−1, and 1200–900 cm−1. These regions corresponded to the O-H stretching, COO− and C-O-C, moieties of alginate, respectively, which coordinated with the H+ carrier from (NH4)2SO4. At ambient temperature, the optimum ionic conductivity was obtained at 3.01 × 10−5 S cm−1 for the sample containing 10 wt.% of (NH4)2SO4. The IR-deconvolution approach shows that the ionic conduction enhancement is governed by the ionic mobility and the diffusion coefficient of H+ carriers, and the findings show that the present biopolymer, which is an alginate-based SPEs system, has an excellent possibility to be used as electrolytes for application in electrochemical devices.
“…30 Besides, the increased value of ionic conductivities was also attributed to the increment of polymer segmental motion and the flexibility of the SPEs systems. 31 A high degree of dissociated ions will eliminate the crystalline nature and causes the system to become more amorphous. 32 Figure 2.Ionic conductivity for various composition of (NH 4 ) 2 SO 4 at ambient temperature.…”
The present work highlights the contribution of ammonium sulfate (NH4)2SO4 as H+ carriers in alginate-based solid polymer electrolytes (SPEs) that were successfully prepared via a solution casting technique. The Fourier transform infrared analysis revealed that molecular interactions between the host polymer and the ionic dopant complexes occurred at the wavenumbers 3700–2500 cm−1, 1800–1500 cm−1, and 1200–900 cm−1. These regions corresponded to the O-H stretching, COO− and C-O-C, moieties of alginate, respectively, which coordinated with the H+ carrier from (NH4)2SO4. At ambient temperature, the optimum ionic conductivity was obtained at 3.01 × 10−5 S cm−1 for the sample containing 10 wt.% of (NH4)2SO4. The IR-deconvolution approach shows that the ionic conduction enhancement is governed by the ionic mobility and the diffusion coefficient of H+ carriers, and the findings show that the present biopolymer, which is an alginate-based SPEs system, has an excellent possibility to be used as electrolytes for application in electrochemical devices.
“…CV provides information about the characteristic of redox reaction in electrode, which can be attributed to the electrode porosity of active materials and the internal resistance, thus creating a current dependence of voltage. 40 …”
“…CM−C is an anionic linear polymer derivative formed as a result of substitutions of the groups at C2, C3, or C6 positions of glucose units [78] and has garnered attention as an economically viable alternative in electrolyte systems [79] because of its superior features such as high filming ability, improved mechanical properties, bio‐compatibility, etc [80] . Another study using an ammonium acetate salt was reported wherein CM−C [81] was employed as the polymer backbone via experimental as well as theoretical approaches [82] . Analysis using FTIR method unveiled an interaction between the COO − groups of CM−C and the H + of NH 4 CH 3 CO 2 .…”
With a huge upsurge in the energy requirements all over the world, development of energy storage devices with high safety standards without compromising the ecological aspects has become the need of the hour, that propelled the scientific community to search for alternative yet promising sources of energy that would prevent the exhaustion of natural resources. Numerous attempts have been undertaken to utilize the renewable biopolymers in the evolution of solid‐ state electrolytes, as a substitute for liquid electrolytes which are prone to cause leakage leading to hazardous accidents. Despite strenuous efforts, it is still challenging to strike a right balance between the biopolymer elements and the conducting additives. In this review, we aim to lay out a recap on the progress achieved in recent times by employing biopolymers as electrolyte components and its future prospects, that would assist the researchers across the globe to inch one step closer in their quest to find the best electrolyte system for flexible electronics.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
