Composite proton conducting membranes from chitosan, poly(vinyl alcohol) and sulfonic acid-functionalized silica nanoparticles

被引：20

作者：

Kamjornsupamitr, Trin ^{[1
,2
]}

Sangthumchai, Thanakorn ^{[1
,2
]}

Saejueng, Pranorm ^{[3
]}

Sumranjit, Jitapa ^{[4
]}

Hunt, Andrew J. ^{[1
,2
]}

Budsombat, Surangkhana ^{[1
,2
,5
]}

机构：

[1] Khon Kaen Univ, Fac Sci, Mat Chem Res Ctr, Dept Chem, Khon Kaen 40002, Thailand

[2] Khon Kaen Univ, Fac Sci, Mat Chem Res Ctr, Ctr Excellence Innovat Chem, Khon Kaen 40002, Thailand

[3] Ubon Ratchathani Univ, Fac Sci, Dept Chem, Ubon Ratchathani 34190, Thailand

[4] Natl Nanotechnol Ctr NANOTEC, 111 Phahonyothin Rd, Klongluang 12120, Pathumthani, Thailand

[5] Khon Kaen Univ, NANOTEC KKU RNN Nanomat Res & Innovat Energy, Khon Kaen 40002, Thailand

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 02期

关键词：

Composites; Conducting polymers; Fuel cells; Membranes; Polyelectrolyte; NANOCOMPOSITE MEMBRANES; EXCHANGE MEMBRANES; NETWORK MEMBRANES; GRAPHENE OXIDE; IMIDAZOLE; BLENDS; PVA;

D O I：

10.1016/j.ijhydene.2020.10.062

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：

Composite proton conducting membranes were successfully synthesized from chitosan, poly (vinyl alcohol) and sulfonic acid-functionalized silica nanoparticles. Sulfosuccinic acid (SSA) and glutaraldehyde were used as double crosslinking agents, where the effect of SSA content on membrane properties, including water vapor absorption, water uptake, ion exchange capacity, and proton conductivity was investigated and were found to increase as a function of SSA loading. The most promising membrane was then formed into a composite with either silica nanoparticles containing poly (2-acrylamido-2-methyl-1-propanesulfonic acid) (PAMPS-Si) or poly (styrene sulfonic acid) (PSSA-Si). PAMPS-Si and PSSA-Si were characterized by thermogravimetric analysis (TGA), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FTIR). The effects of nanoparticle loading and polymer shell on membrane properties were studied. Proton conductivity increased at higher nanoparticle loadings, and reached a maximum of 3.8-3.9 x 10(-3) S/cm at 20% loading. The influence of polymer shell on membrane properties was not significantly observed. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：2479 / 2490

页数：12

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