Scholarlink

<p>This study reports the development of proton conducting nanocomposite gel polymer electrolyte (NCGPE) membranes based on ecofriendly biopolymer carboxymethyl cellulose (CMC). The membranes have been synthesized using solution cast method. Ethylene carbonate (EC) has been used as plasticizer, NH<sub>4</sub>I as doping salt and multiwalled carbon nanotubes (CNT) as the nanofiller. The effect of different concentrations of CNT in the NCGPE polymer matrix has been analyzed for its structural, electrochemical and electrical properties. The characterization of the membranes has been carried out using X-ray diffraction (XRD), attenuated total reflection (ATR) infrared spectrophotometry, chronoamperometry, linear sweep voltammetry (LSV), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The XRD studies reveal enhancement in the amorphous nature of membranes with increasing CNT concentration. IR studies reveal interactions between polymer chains, EC, salt, and CNTs. Chronoamperometry studies indicate that the conduction in the polymer matrix is mainly due to ions. Impedance spectroscopy analysis suggests enhanced conductivity and dielectric constant of NCGPE membranes with the incorporation of CNT. The highest conductivity at room temperature is found to be 8.75 × 10<sup>− 3</sup> Scm<sup>− 1</sup> for NCGPE membraned containing 0.8 wt % CNT. The charge carrier concentration, mobility and diffusion coefficient of ions has been evaluated, and the bulk ionic conductivity is found to correlate more closely with the variation in charge carrier concentration.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Structural, electrochemical and electrical studies of CNT doped [CMC: NH4I] based plasticized nanocomposite gel polymer electrolytes for biocompatible electrochemical devices

  • 期刊论文

  • 发表日期：

    2026年1月30日

查看全文
  • Shubham Singh,
  • C. P. Singh,
  • P. K. Shukla,
  • S. L. Agrawal

摘要

This study reports the development of proton conducting nanocomposite gel polymer electrolyte (NCGPE) membranes based on ecofriendly biopolymer carboxymethyl cellulose (CMC). The membranes have been synthesized using solution cast method. Ethylene carbonate (EC) has been used as plasticizer, NH4I as doping salt and multiwalled carbon nanotubes (CNT) as the nanofiller. The effect of different concentrations of CNT in the NCGPE polymer matrix has been analyzed for its structural, electrochemical and electrical properties. The characterization of the membranes has been carried out using X-ray diffraction (XRD), attenuated total reflection (ATR) infrared spectrophotometry, chronoamperometry, linear sweep voltammetry (LSV), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The XRD studies reveal enhancement in the amorphous nature of membranes with increasing CNT concentration. IR studies reveal interactions between polymer chains, EC, salt, and CNTs. Chronoamperometry studies indicate that the conduction in the polymer matrix is mainly due to ions. Impedance spectroscopy analysis suggests enhanced conductivity and dielectric constant of NCGPE membranes with the incorporation of CNT. The highest conductivity at room temperature is found to be 8.75 × 10− 3 Scm− 1 for NCGPE membraned containing 0.8 wt % CNT. The charge carrier concentration, mobility and diffusion coefficient of ions has been evaluated, and the bulk ionic conductivity is found to correlate more closely with the variation in charge carrier concentration.