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一种氯衍生的离子液体基聚合物凝胶电解质的电学、电化学和结构研究

Electrical, electrochemical and structural studies of a chlorine-derived ionic liquid-based polymer gel electrolyte.

作者信息

Gupta Ashish, Jain Amrita, Kumari Manju, Tripathi Santosh K

机构信息

Department of Physics, Government Tulsi Degree College, Anuppur, Madhya Pradesh, 484224, India.

Institute of Fundamental Technological Research, Polish Academy of Sciences, Adolfa Pawińskiego 5b, 02-106, Warsaw, Poland.

出版信息

Beilstein J Nanotechnol. 2021 Nov 18;12:1252-1261. doi: 10.3762/bjnano.12.92. eCollection 2021.

DOI:10.3762/bjnano.12.92
PMID:34868801
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8609243/
Abstract

In the present article, an ionic liquid-based polymer gel electrolyte was synthesized by using poly(vinylidene fluoride--hexafluoropropylene) (PVdF-HFP) as a host polymer. The electrolyte films were synthesized by using the solution casting technique. The as-prepared films were free-standing and transparent with good dimensional stability. Optimized electrolyte films exhibit a maximum room-temperature ionic conductivity of σ = 8.9 × 10 S·cm. The temperature dependence of the prepared polymer gel electrolytes follows the thermally activated behavior of the Vogel-Tammann-Fulcher equation. The total ionic transference number was ≈0.91 with a wider electrochemical potential window of 4.0 V for the prepared electrolyte film which contains 30 wt % of the ionic liquid. The optimized films have good potential to be used as electrolyte materials for energy storage applications.

摘要

在本文中，以聚（偏二氟乙烯-六氟丙烯）（PVdF-HFP）作为主体聚合物合成了一种离子液体基聚合物凝胶电解质。采用溶液浇铸技术合成了电解质薄膜。所制备的薄膜自立且透明，具有良好的尺寸稳定性。优化后的电解质薄膜在室温下的最大离子电导率为σ = 8.9×10 S·cm 。所制备的聚合物凝胶电解质的温度依赖性遵循Vogel-Tammann-Fulcher方程的热激活行为。对于含有30 wt%离子液体的制备电解质薄膜，其总离子迁移数约为0.91，电化学势窗口更宽，为4.0 V。优化后的薄膜具有用作储能应用电解质材料的良好潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/e3e6ec7f66e3/Beilstein_J_Nanotechnol-12-1252-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/21187fb58abc/Beilstein_J_Nanotechnol-12-1252-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/3ed9e2192689/Beilstein_J_Nanotechnol-12-1252-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/fa4efcea6c10/Beilstein_J_Nanotechnol-12-1252-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/e3e6ec7f66e3/Beilstein_J_Nanotechnol-12-1252-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/21187fb58abc/Beilstein_J_Nanotechnol-12-1252-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/3ed9e2192689/Beilstein_J_Nanotechnol-12-1252-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/fa4efcea6c10/Beilstein_J_Nanotechnol-12-1252-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c01a/8609243/e3e6ec7f66e3/Beilstein_J_Nanotechnol-12-1252-g006.jpg

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本文引用的文献

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