Nafion/Sulfonated Silica Composite Membranes for PEM Fuel Cells

被引：12

作者：

De Almeida, Nicole E. ^{[1
]}

Easton, E. Bradley ^{[1
]}

机构：

[1] Univ Ontario, Inst Technol, Fac Sci Chem, Oshawa, ON L1H 7K4, Canada

来源：

FUEL CELL MEMBRANES, ELECTRODE BINDERS, AND MEA PERFORMANCE | 2010年 / 28卷 / 27期

关键词：

HYBRID MEMBRANE; WATER-CONTENT; ACID; NAFION; CONDUCTIVITY; IONOMER; STATE;

D O I：

10.1149/1.3496610

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nafion/sulfonated silica (NSS) composite membranes were prepared from 2-(4-chlorosulfonylphenyl)trimethoxysilane in a one step process. Proton conductivity measurements were made at various temperature and relative humidity conditions. The NSS composite membranes exhibited higher proton conductivities than unmodified Nafion under all conditions, with highest conductivity and fuel cell performance being achieved with NSS membranes with lower sulfonated silica loadings. This was explained in terms of enhanced proton conductivity from the presence of SS and the large free pore within the pores of Nafion to accommodate the required water content.

引用

页码：29 / 38

页数：10

共 18 条

[1] Electrochemical studies of ceramic carbon electrodes for fuel cell systems: A catalyst layer without sulfonic acid groups [J].

Eastcott, Jennie I. ;

Easton, E. Bradley .

ELECTROCHIMICA ACTA, 2009, 54 (12) :3460-3466

[2] Chemical modification of proton exchange membrane fuel cell catalysts with a sulfonated silane [J].

Easton, EB ;

Qi, ZG ;

Kaufman, A ;

Pickup, PG .

ELECTROCHEMICAL AND SOLID STATE LETTERS, 2001, 4 (05) :A59-A61

[3] Performance evaluation of a Nafion/silicon oxide hybrid membrane for direct methanol fuel cell [J].

Jung, DH ;

Cho, SY ;

Peck, DH ;

Shin, DR ;

Kim, JS .

JOURNAL OF POWER SOURCES, 2002, 106 (1-2) :173-177

[4] Hybridization of Nafion membranes with an acid functionalised polysiloxane: Effect of morphology on water sorption and proton conductivity [J].

Lavorgna, Marino ;

Gilbert, Marianne ;

Mascia, Leno ;

Mensitieri, Giuseppe ;

Scherillo, Giuseppe ;

Ercolano, Giorgio .

JOURNAL OF MEMBRANE SCIENCE, 2009, 330 (1-2) :214-226

[5] State of understanding of Nafion [J].

Mauritz, KA ;

Moore, RB .

CHEMICAL REVIEWS, 2004, 104 (10) :4535-4585

[6] MICROSTRUCTURAL EVOLUTION OF A SILICON-OXIDE PHASE IN A PERFLUOROSULFONIC ACID IONOMER BY AN IN-SITU SOL-GEL REACTION [J].

MAURITZ, KA ;

STEFANITHIS, ID ;

DAVIS, SV ;

SCHEETZ, RW ;

POPE, RK ;

WILKES, GL ;

HUANG, HH .

JOURNAL OF APPLIED POLYMER SCIENCE, 1995, 55 (01) :181-190

[7] Evaluation of a sol-gel derived Nafion/silica hybrid membrane for proton electrolyte membrane fuel cell applications - I. Proton conductivity and water content [J].

Miyake, N ;

Wainright, JS ;

Savinell, RF .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2001, 148 (08) :A898-A904

[8] Relationships of acid and water content to proton transport in statistically sulfonated proton exchange membranes: Variation of water content via control of relative humidity [J].

Peckham, Timothy J. ;

Schmeissert, Jennifer ;

Holdcroft, Steven .

JOURNAL OF PHYSICAL CHEMISTRY B, 2008, 112 (10) :2848-2858

[9] Effect of particle size reduction on the conductivity of Nafion®/phosphotungstic acid composite membranes [J].

Ramani, V ;

Kunz, HR ;

Fenton, JM .

JOURNAL OF MEMBRANE SCIENCE, 2005, 266 (1-2) :110-114

[10] Ceramic carbon electrode-based anodes for use in the Cu-Cl thermochemical cycle [J].

Ranganathan, Santhanam ;

Easton, E. Bradley .

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2010, 35 (10) :4871-4876

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