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基于甲基纤维素/果胶/氯化铵的固体纳米复合聚合物电解质中的大量质子离子传导:氧化锌纳米填料的影响。

Substantial Proton Ion Conduction in Methylcellulose/Pectin/Ammonium Chloride Based Solid Nanocomposite Polymer Electrolytes: Effect of ZnO Nanofiller.

作者信息

Dennis John Ojur, Adam Abdullahi Abbas, Ali M K M, Soleimani Hassan, Shukur Muhammad Fadhlullah Bin Abd, Ibnaouf K H, Aldaghri O, Eisa M H, Ibrahem M A, Bashir Abdulkadir Abubakar, Cyriac Vipin

机构信息

Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia.

Centre of Innovative Nanoscience and Nanotechnology (COINN), Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia.

出版信息

Membranes (Basel). 2022 Jul 13;12(7):706. doi: 10.3390/membranes12070706.

DOI:10.3390/membranes12070706
PMID:35877909
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9319390/
Abstract

In this research, nanocomposite solid polymer electrolytes (NCSPEs) comprising methylcellulose/pectin (MC/PC) blend as host polymer, ammonium chloride (NHCl) as an ion source, and zinc oxide nanoparticles (ZnO NPs) as nanofillers were synthesized via a solution cast methodology. Techniques such as Fourier transform infrared (FTIR), electrical impedance spectroscopy (EIS), and linear sweep voltammetry (LSV) were employed to characterize the electrolyte. FTIR confirmed that the polymers, NHCl salt, and ZnO nanofiller interact with one another appreciably. EIS demonstrated the feasibility of achieving a conductivity of 3.13 × 10 Scm for the optimum electrolyte at room temperature. Using the dielectric formalism technique, the dielectric properties, energy modulus, and relaxation time of NHCl in MC/PC/NHCl and MC/PC/NHCl/ZnO systems were determined. The contribution of chain dynamics and ion mobility was acknowledged by the presence of a peak in the imaginary portion of the modulus study. The LSV measurement yielded 4.55 V for the comparatively highest conductivity NCSPE.

摘要

在本研究中,通过溶液浇铸法合成了纳米复合固体聚合物电解质(NCSPEs),其包含甲基纤维素/果胶(MC/PC)共混物作为主体聚合物、氯化铵(NH₄Cl)作为离子源以及氧化锌纳米颗粒(ZnO NPs)作为纳米填料。采用傅里叶变换红外光谱(FTIR)、电化学阻抗谱(EIS)和线性扫描伏安法(LSV)等技术对电解质进行表征。FTIR证实聚合物、NH₄Cl盐和ZnO纳米填料之间有明显的相互作用。EIS表明,对于最佳电解质,在室温下实现3.13×10⁻³ S/cm的电导率是可行的。使用介电形式理论技术,测定了NH₄Cl在MC/PC/NH₄Cl和MC/PC/NH₄Cl/ZnO体系中的介电性能、能量模量和弛豫时间。模量研究虚部出现的一个峰值表明了链动力学和离子迁移率的贡献。对于电导率相对较高的NCSPE,LSV测量结果为4.55 V。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/8b3afbf31ec1/membranes-12-00706-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/49d05790aca9/membranes-12-00706-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/b1dd83cb6268/membranes-12-00706-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/af3d535e2c54/membranes-12-00706-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/da2fc1f171fe/membranes-12-00706-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/552188f73c54/membranes-12-00706-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/ff376841e1b1/membranes-12-00706-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/c3a9a8412613/membranes-12-00706-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/d15d6613cdfa/membranes-12-00706-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/8b3afbf31ec1/membranes-12-00706-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/49d05790aca9/membranes-12-00706-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/b1dd83cb6268/membranes-12-00706-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/af3d535e2c54/membranes-12-00706-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/da2fc1f171fe/membranes-12-00706-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/552188f73c54/membranes-12-00706-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/ff376841e1b1/membranes-12-00706-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/c3a9a8412613/membranes-12-00706-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/d15d6613cdfa/membranes-12-00706-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d347/9319390/8b3afbf31ec1/membranes-12-00706-g009.jpg

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