期刊
ELECTROCHIMICA ACTA
卷 175, 期 -, 页码 18-34出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.03.038
关键词
polymer electrolytes; ionic liquids; ion conductors; poly(ionic liquid); batteries; supercapacitors; electrochromic device; dye-sensitized solar cell; fuel cell
资金
- European Research Council [iPES ERC-Stg- 2012-306250]
- Russian Foundation for Basic Research [13-03-00343-a, 14-29-0403914_ofi_m]
- European Commission through the International Research Staff Exchange Scheme [318873]
This article reviews the general strategies for the design of innovative polymer electrolytes using poly (ionic liquid)s. First, we review the properties of poly(ionic liquid) s as solid polymer electrolytes (SPEs). The different factors that affect the bulk ionic conductivity of poly(ionic liquid) s are discussed such as chemical nature of the cation, anion, the spacer, the polymer backbone and its glass transition temperature, the purity and water content. Special attention is given to the optimization of both the ionic monomer chemical structure and macromolecular architecture to achieve the highest possible polymer ionic conductivity (approximate to 10(-5) S/cm at 25 degrees C). Secondly, the preparation of gel type polymer electrolytes, named ion gels, based on ionic liquids and poly(ionic liquid) s is discussed in terms of preparation methods and composition. Due to the presence of free ions, such ion gels provide higher ionic conductivity (10(-2)-10(-3) S/cm at 25 degrees C) than SPEs. Finally, the actual applications of innovative polymer electrolytes based on poly(ionic liquid) s are summarized and their advantages are discussed. (C) 2015 Elsevier Ltd. All rights reserved.
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