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Polytriazolium poly(ionic liquid) bearing triiodide anions: Synthesis, basic properties and electrochemical behaviors
- 4-Methyl-1-vinyl-1,2,4-triazolium triiodide ionic liquid and its polymer poly(4-methyl-1-vinyl-1,2,4-triazolium) triiodide were prepared for the first time from their iodide precursors via the reaction of iodide (I-) with elemental iodine (I-2). The change from iodide to triiodide (I-3(-)) was found to introduce particular variations in the physical properties of these two compounds, including lower melting point/glass transition temperature and altered solubility. The compounds were characterized by single-crystal X-ray diffraction, elemental analysis, and their electrochemical properties examined in solution and in the solid-state. Compared with their iodide analogues, the triiodide salts exhibited lower electrical impedance and higher current in the cyclic voltammetry. We found that poly(4-methyl-1,2,4-triazolium triiodide) was proven to be a promising solid polymer electrolyte candidate. (C) 2017 Elsevier Ltd. All rights reserved.
Author details: | Weiyi Zhang, Christoph Willa, Jian-Ke Sun, Ryan Guterman, Andreas TaubertORCiDGND, Jiayin YuanORCiD |
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DOI: | https://doi.org/10.1016/j.polymer.2017.07.059 |
ISSN: | 0032-3861 |
ISSN: | 1873-2291 |
Title of parent work (English): | Polymer : the international journal for the science and technology of polymers |
Publisher: | Elsevier |
Place of publishing: | Oxford |
Publication type: | Article |
Language: | English |
Year of first publication: | 2017 |
Publication year: | 2017 |
Release date: | 2020/04/20 |
Tag: | Grotthuss mechanism; Poly(ionic liquid); Solid polymer electrolyte; Triiodide "network" |
Volume: | 124 |
Number of pages: | 6 |
First page: | 246 |
Last Page: | 251 |
Funding institution: | Max Planck Society; China Scholarship Council; ERC [NAPOLI-639720]; Clarkson University, USA; DFG [TA571/13-1, SPP 1708] |
Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie |
Peer review: | Referiert |