A novel phosphoric acid doped poly(ethersulphone)-poly(vinyl pyrrolidone) blend membrane for high-temperature proton exchange membrane fuel cells

被引：67

作者：

Xu, Xin ^{[1
]}

Wang, Haining ^{[1
]}

Lu, Shanfu ^{[1
]}

Guo, Zhibin ^{[1
]}

Rao, Siyuan ^{[1
]}

Xiu, Ruijie ^{[1
]}

Xiang, Yan ^{[1
]}

机构：

[1] Beihang Univ, Being Key Lab Bioinspired Energy Mat & Devices, Key Lab Bioinspired Smart Interfacial Sci & Techn, Minist Educ,Sch Chem & Environm, Beijing 100191, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2015年 / 286卷

基金：

美国国家科学基金会; 高等学校博士学科点专项科研基金; 中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Polyvinylpyrrolidone; Polyethersulfones; Polymer blending; High temperature proton exchange membrane; Fuel cell; POLYMER ELECTROLYTE MEMBRANE; DEGREES-C; POLYBENZIMIDAZOLE; CONDUCTIVITY; CONDUCTORS; ENHANCEMENT;

D O I：

10.1016/j.jpowsour.2015.04.028

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A high-temperature proton exchange membrane, poly(ethersulphone)-poly(vinyl pyrrolidone) (PES-PVP) blend membrane is successfully prepared by scalable polymer blending method. The physical properties of blend membrane are characterized by DSC, TG and tensile strength test. The DSC and TG results indicate PES-PVP blend membranes possess excellent thermal stability. After phosphoric acid -(PA) doping treatment, the blend membrane shows enhanced proton conductivity. PA doping level and volume swelling ratio of the blend membrane are found to be positively related to the PVP content. A high proton conductivity of 0.21 S/cm is achieved at 180 degrees C for PA doped PES-PVP 80% with a PA doping level of 9.1. PEM fuel cell based on PA doped PES-PVP 80% membrane shows a high power density of 850 mW/cm(2) and outstanding stability at 180 degrees C without extra humidification. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：458 / 463

页数：6

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