期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 42, 期 26, 页码 16731-16740出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.05.126
关键词
Sulfonic acid functionalized; graphene oxide; Proton exchange membrane; Semi-passive direct methanol fuel cell; Sandwiched membrane
资金
- National Natural Science Foundation of China [11474101, U1532139]
- Outstanding Talent and Team Plans Program of South China University of Technology
- Zhejiang Provincial Natural Science Foundation [LY14B030001]
- Guangdong Innovative and Entepreneurial Research Team Program [2014ZT05N200]
Sulfonated poly(ether ether ketone) (SPEEK) membranes have been deposited on the both sides of a sulfonic acid functionalized graphene oxide (SGO) paper to form a proton exchange membrane (PEM) with a sandwiched structure. The obtained SPEEK/SGO/SPEEK membrane could exhibit proton conductivity close to Nafion (R) 112 and lower methanol permeability. The use of this SPEEK/SGO/SPEEK membrane greatly improves the performance of the semi-passive direct methanol fuel cell (DMFC). The semi-passive DMFC with the SPEEK/SGO/SPEEK membrane is found to be capable of delivering the peak power density 60% higher than that with the commercial Nafion (R) 112. This, along with its comparable durability to Nafion (R) 112, strongly suggests the great promise of using the SPEEK/SGO/SPEEK membrane as the PEM. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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