Functionalized Graphene Oxide Nanocomposite Membrane for Low Humidity and High Temperature Proton Exchange Membrane Fuel Cells

被引：387
作者：
Zarrin, Hadis [1 ]
Higgins, Drew [1 ]
Jun, Yu [1 ,2 ]
Chen, Zhongwei [1 ]
Fowler, Michael [1 ]
机构：
[1] Univ Waterloo, Dept Chem Engn, Waterloo Inst Nanotechnol, Waterloo Inst Sustainable Energy, Waterloo, ON N2L 3G1, Canada
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 42期
基金：
加拿大自然科学与工程研究理事会;
关键词：
POLYMER ELECTROLYTE MEMBRANES; GRAPHITE OXIDE; CONDUCTIVITY MEASUREMENT; ELEVATED-TEMPERATURE; COMPOSITE MEMBRANES; NAFION MEMBRANES; FT-IR; ACID; WATER; PERMEABILITY;
D O I：
10.1021/jp204610j
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：
Functionalized graphene oxide Nafion nanocomposites (F-GO/Nafion) are presented as a potential proton exchange membrane (PEM) replacement for high temperature PEM fuel cell applications. The GO nanosheets were produced from natural graphite flakes by the modified Hummer's method and then functionalized by using 3-mercaptopropyl trimethoxysilane (MPTMS) as the sulfonic acid functional group precursor. F-GO/Nafion composite membranes were fabricated by a simplistic solution casting method. Several physicochemical characterization techniques were applied to provide insight into the specific structure and morphology, functional groups, water uptake, and ionic conductivities of the membranes. Proton conductivity and single cell test results demonstrated significant improvements for F-GO/Nafion membranes (4 times) over recast Nafion at 120 degrees C with 2596 humidity.
引用
收藏
页码：20774 / 20781
页数：8
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