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用于锌离子电池中高孔隙率聚合物电解质的含锌盐聚氨酯/聚丙烯腈静电纺丝纤维膜

Zn salts incorporated polyurethane/polyacrylonitrile electrospinning fiber membrane for high porosity polymer electrolyte in Zn ion battery.

作者信息

Likitaporn Chutiwat, Okhawilai Manunya, Senthilkumar Nangan, Wongsalam Tawan, Tanalue Nattapon, Kasemsiri Pornnapa, Qin Jiaqian, Uyama Hiroshi

机构信息

Nanoscience and Technology Interdisciplinary Program, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand.

Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok, 10330, Thailand.

出版信息

Sci Rep. 2023 Oct 5;13(1):16774. doi: 10.1038/s41598-023-43962-6.

DOI:10.1038/s41598-023-43962-6
PMID:37798401
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10556048/
Abstract

So far, a large variety of polymer molecule architectures have been explored in the electrolyte field. Polymer electrolytes have gathered research efforts as an interesting alternative to conventional liquid electrolytes due to their advantages of low probability of leakage and low volatility of liquid solvent, lightweight, flexibility, inertness, high durability, and thermal stability. In this work, a polymer electrolyte developed from a polyurethane/polyacrylonitrile (PU/PAN) electrospinning fiber membrane was added with different zinc (Zn) salts, namely, Zn(CHCO), ZnSO, and Zn(OTf). The samples with the Zn salt presented many different properties; especially, the high Zn(OTf) sample showed gradually bundle morphology in its structure. Characterization revealed improved properties in contact angle, water uptake, and thermal resistance. Namely, the 15 wt% Zn(OTf)) sample exhibited an outstandingly high ionic conductivity of 3.671 mS cm, which is 10 times higher than that of the neat PU/PAN membrane.

摘要

到目前为止，电解质领域已经探索了各种各样的聚合物分子结构。聚合物电解质因其具有液体泄漏概率低、液体溶剂挥发性低、重量轻、柔韧性好、惰性、高耐久性和热稳定性等优点，作为传统液体电解质的一种有趣替代品，已引起了研究关注。在这项工作中，由聚氨酯/聚丙烯腈（PU/PAN）静电纺丝纤维膜制成的聚合物电解质添加了不同的锌（Zn）盐，即Zn(CHCO)、ZnSO和Zn(OTf)。添加锌盐的样品呈现出许多不同的性能；特别是，高Zn(OTf)样品在其结构中显示出逐渐成束的形态。表征显示接触角、吸水率和耐热性有所改善。也就是说，15 wt% Zn(OTf)）样品表现出高达3.671 mS cm的出色离子电导率，比纯PU/PAN膜高10倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/52328e8522cf/41598_2023_43962_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/dff40504b889/41598_2023_43962_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/1a0f36fe95f3/41598_2023_43962_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/a8dfe5289177/41598_2023_43962_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/ad00b1653e8c/41598_2023_43962_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/4ef08dcb114a/41598_2023_43962_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/feb452520132/41598_2023_43962_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/2c8ec816b2cf/41598_2023_43962_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/46606bf6166c/41598_2023_43962_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/52328e8522cf/41598_2023_43962_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/dff40504b889/41598_2023_43962_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/1a0f36fe95f3/41598_2023_43962_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/a8dfe5289177/41598_2023_43962_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/ad00b1653e8c/41598_2023_43962_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/4ef08dcb114a/41598_2023_43962_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/feb452520132/41598_2023_43962_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/2c8ec816b2cf/41598_2023_43962_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/46606bf6166c/41598_2023_43962_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/67f5/10556048/52328e8522cf/41598_2023_43962_Fig9_HTML.jpg

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