Lithium-Conducting Nafion Membrane Plasticized with a DMSO-Sulfolane Mixture

被引：5
作者：
Kayumov, R. R. [1 ]
Radaeva, A. P. [1 ]
Krupina, A. A. [1 ,2 ]
Tarusina, K. A. [1 ]
Lapshin, A. N. [1 ]
Shmygleva, L. V. [1 ]
机构：
[1] Russian Acad Sci, Fed Res Ctr Problems Chem Phys & Med Chem, Chernogolovka, Russia
[2] Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2023年 / 17卷 / 04期
关键词：
polyelectrolyte; Nafion-Li; aprotic solvent; IR spectroscopy; simultaneous thermal analysis; ionic conductivity; POLYMER ELECTROLYTES; IONIC-CONDUCTIVITY; ETHYLENE CARBONATE; EXCHANGE MEMBRANES; HIGH-PERFORMANCE; ELECTRIC-FIELD; PHASE-DIAGRAM; SODIUM; BINARY; BATTERIES;
D O I：
10.1134/S1990793123040097
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The effect of the composition of a binary plasticizing mixture based on dimethyl sulfoxide and sulfolane on the physicochemical properties of the lithium form of the Nafion membrane is studied. To explain the behavior of the electrotransport properties of membranes, experimental studies of intermolecular interactions, thermal behavior, and the ion-transport properties of the obtained lithium-conducting polyelectrolytes are carried out using IR spectroscopy, simultaneous thermal analysis, and impedance spectroscopy. A relationship is found between the shift of the eutectic point to the region of a lower content of sulfolane compared to bulk solvents and the composition of the plasticizer, in which the samples had the best conductivity of 0.76 mS/cm at 30 degrees C.
引用
收藏
页码：801 / 809
页数：9
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