SGO/SPES-Based Highly Conducting Polymer Electrolyte Membranes for Fuel Cell Application

被引：173

作者：

Gahlot, Swati ^{[1
]}

Sharma, Prem Prakash ^{[1
]}

Kulshrestha, Vaibhav ^{[1
,2
]}

Jha, Prafulla K. ^{[3
]}

机构：

[1] CSIR, CSIR CSMCRI, Bhavnagar 364002, Gujarat, India

[2] CSIR, CSIR CSMCRI, Acad Sci & Innovat Res, Bhavnagar 364002, Gujarat, India

[3] Maharaja Sayajirao Univ Baroda, Dept Phys, Vadodara, Gujarat, India

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 08期

关键词：

poly(ether sulfone); graphene oxide; PEMs; proton conductivity; thermomechanical properties; ACID-FUNCTIONALIZED POLYSILSESQUIOXANE; GRAPHENE OXIDE PAPER; COMPOSITE MEMBRANES; MECHANICAL-PROPERTIES; SULFONATED POLYIMIDE; PROTON CONDUCTIVITY; EXCHANGE MEMBRANES; NAFION; TRANSPORT; FILMS;

D O I：

10.1021/am5000504

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Proton-exchange membranes (PEMs) consisting of sulfonated poly(ether sulfone) (SPES) with enhanced electrochemical properties have been successfully prepared by incorporating different amount of sulfonated graphene oxide (SGO). Composite membranes are tested for proton conductivity (30-90 degrees C) and methanol crossover resistance to expose their potential for direct methanol fuel cell (DMFC) application. Incorporation of SGO considerably increases the ion-exchange capacity (IEC), water retention and proton conductivity and reduces the methanol permeability. Membranes have been characterized by FTIR, XRD, DSC, SEM, TEM, and AFM techniques. Intermolecular interactions between the components in composite membranes are established by FTIR. The distribution of SGO throughout the membrane matrix has been examined using SEM and TEM and found to be uniform. The maximum proton conductivity has been found in 5% SGO composite with higher methanol crossover resistance.

引用

页码：5595 / 5601

页数：7

共 42 条

[41] Functionalized Graphene Oxide Nanocomposite Membrane for Low Humidity and High Temperature Proton Exchange Membrane Fuel Cells [J].