Improved fuel cell properties of Nano-TiO2 doped Poly(Vinylidene fluoride) and phosphonated Poly(Vinyl alcohol) composite blend membranes for PEM fuel cells

被引：42

作者：

Yagizatli, Yavuz ^{[1
]}

Ulas, Berdan ^{[2
]}

Cali, Aygun ^{[1
]}

Sahin, Alpay ^{[1
]}

Ar, Irfan ^{[1
]}

机构：

[1] Gazi Univ, Fac Engn, Dept Chem Engn, Yukselis Sokak 5, TR-06570 Ankara, Turkey

[2] Van Yuzuncu Yil Univ, Fac Engn, Dept Chem Engn, Bardakci Mahallesi,Yuzuncu Yil Univ Kampusu, TR-65080 Tusba, Van, Turkey

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 60期

关键词：

Blend membrane; PEM Fuel cell; Nano-TiO2; Polyvinylidene fluoride; Phosphonated polyvinyl alcohol; PROTON-EXCHANGE MEMBRANE; POLYMER-ELECTROLYTE MEMBRANES; POLY(ARYLENE ETHER SULFONE)S; HIGH-TEMPERATURE; NANOCOMPOSITE MEMBRANES; TIO2; NANOPARTICLES; SULFONATED POLYSULFONE; CONDUCTING MEMBRANES; HYBRID MEMBRANES; PVDF MEMBRANES;

D O I：

10.1016/j.ijhydene.2020.02.197

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：

Blend composite membranes are known as a good alternative to expensive Nafion membrane since they combine the superior properties of their components in a single structure. Herein, poly(vinylidene fluoride) (PVDF) phosphonated polyvinyl alcohol (PPVA) blend membranes (90/10 by mass) were prepared with the solution casting method. Then, nanoTiO(2) were added at varying mass ratios (2, 5, 8, 10, and 15%) to improve the performance of the synthesized membranes. Characterization tests namely, Fourier Transform Infrared (FTIR), water uptake capacity, ion exchange capacity (IEC), proton conductivity, dynamic mechanic analysis, open-circuit voltage (OCV) measurements, and performance tests were conducted. PVDF/PPVA membrane containing 8% nano-TiO2 exhibited the highest performance with 382.7 mA/cm(2) of current density and 225.4 mW cm(-2) of power density. The OCV measurements showed 8.57% voltage decrement at the end of 1000 h. Obtained results show the high potential of TiO2 doped PVDF/PPVA membranes could be considered as a favorable candidate for fuel cells. (c) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：35130 / 35138

页数：9

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