Synthesis and characterization of iota-carrageenan solid biopolymer electrolytes for electrochemical applications

被引：71
作者：
Chitra, R. [1 ,2 ]
Sathya, P. [3 ]
Selvasekarapandian, S. [2 ,4 ]
Monisha, S. [2 ]
Moniha, V [2 ]
Meyvel, S. [5 ]
机构：
[1] Kongu Arts & Sci Coll, Dept Phys, Erode 638107, Tamil Nadu, India
[2] Mat Res Ctr, Coimbatore 641045, Tamil Nadu, India
[3] Salem Sowdeswaii Coll, Dept Phys, Salem 636010, Tamil Nadu, India
[4] Bharathiar Univ, Dept Phys, Coimbatore 641046, Tamil Nadu, India
[5] Chikkaiah Naicker Coll, Dept Phys, Erode 636004, Tamil Nadu, India
来源：
IONICS | 2019年 / 25卷 / 05期
关键词：
Iota-carrageenan; Biopolymer electrolyte; Conductivity; POLYMER ELECTROLYTES; KAPPA-CARRAGEENAN; CELLULOSE; CONDUCTIVITY; BLEND; IDENTIFICATION; DERIVATIVES; CARBONATE;
D O I：
10.1007/s11581-018-2687-z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A biopolymer electrolyte consisting of iota-carrageenan (I-Carrageenan) and LiCl is prepared using solution casting method. XRD analysis confirms the enhancement in amorphous nature of the prepared polymer electrolytes due to the incorporation of LiCl. Fourier transform infrared (FTIR) spectroscopy is used to analyze the complexation of electrolytes. Electrochemical impedance spectroscopy is utilized to find the ac electrical conductivity of the electrolytes. The combination of 1.0g I-Carrageenan and 0.3g LiCl displays highest ionic conductivity value of 5.33x10(-3)Scm(-1) at room temperature. Transference number measurements indicate that the conductivity process is predominantly by Li+ ions. Lithium ion conducting battery is constructed with the highest conducting polymer electrolyte, and its discharge performance is analyzed.
引用
收藏
页码：2147 / 2157
页数：11
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