Solid-state hydrogen sensors based on calixarene-12-phosphatotungstic acid composite electrolytes

被引：16
作者：
Leonova, Lyudmila [1 ]
Shmygleva, Lyubov' [1 ]
Ukshe, Alexander [1 ]
Levchenko, Alexey [1 ]
Chub, Anton [1 ]
Dobrovolsky, Yury [1 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, 1 Academician Semenov Ave, Chernogolovka 142432, Moscow Region, Russia
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2016年 / 230卷
基金：
俄罗斯科学基金会;
关键词：
Ambient conditions potentiometric sensors; Hydrogen sensors; Calixarene sulfonic acid; Phosphotungstic acid; Impedance spectroscopy; GAS SENSORS; CONDUCTIVITY; RELAXATION; CO;
D O I：
10.1016/j.snb.2016.02.083
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An electrochemical system sensitive to hydrogen was studied. A composite proton conductor based on calixarene sulfonic acid and 12-phosphotungstic acid was used as a solid electrolyte membrane. The system is tolerant to CO impurities (up to 200 ppm) in H2. The catalytic properties of the composite electrolyte can be described using percolation theory. Variation in the composition of the solid composite electrolyte in the investigated system allowed to adjust its properties and improve the performance of potentiometric hydrogen sensors under ambient conditions. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：470 / 476
页数：7
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