scholarly journals Direct spun aligned carbon nanotube web-reinforced proton exchange membranes for fuel cells

RSC Advances ◽  
2014 ◽  
Vol 4 (62) ◽  
pp. 32787-32790 ◽  
Author(s):  
Jonghyun Choi ◽  
Chanmin Lee ◽  
Stephen C. Hawkins ◽  
Chi P. Huynh ◽  
Jeongho Park ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Carbon Nanotube ◽  
Composite Membrane ◽  
Proton Exchange Membranes ◽  
Proton Exchange

A composite membrane prepared by electrospinning SPEEK and direct spinning of CNTs is more robust than SPEEK alone and outperforms SPEEK and Nafion 212 membranes.

scholarly journals A Robust Composite Proton Exchange Membrane of Sulfonated Poly (Fluorenyl Ether Ketone) with an Electrospun Polyimide Mat for Direct Methanol Fuel Cells Application

Polymers ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 523
Author(s):  
Geng Cheng ◽  
Zhen Li ◽  
Shan Ren ◽  
Dongmei Han ◽  
Min Xiao ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Composite Membrane ◽  
Direct Methanol Fuel Cells ◽  
Oxidation Stability ◽  
Proton Exchange Membranes ◽  
Proton Exchange ◽  
Direct Methanol ◽  
Ether Ketone ◽  
Methanol Fuel Cells ◽  
Sulfonated Poly

As a key component of direct methanol fuel cells, proton exchange membranes with suitable thickness and robust mechanical properties have attracted increasing attention. On the one hand, a thinner membrane gives a lower internal resistance, which contributes highly to the overall electrochemical performance of the cell, on the other hand, strong mechanical strength is required for the application of proton exchange membranes. In this work, a sulfonated poly (fluorenyl ether ketone) (SPFEK)-impregnated polyimide nanofiber mat composite membrane (PI@SPFEK) was fabricated. The new composite membrane with a thickness of about 55 μm exhibited a tensile strength of 35.1 MPa in a hydrated state, which is about 65.8% higher than that of the pristine SPFEK membrane. The antioxidant stability test in Fenton’s reagent shows that the reinforced membrane affords better oxidation stability than does the pristine SPFEK membrane. Furthermore, the morphology, proton conductivity, methanol permeability, and fuel cell performance were carefully evaluated and discussed.

scholarly journals High Performance Cross-Linked Poly(2-acrylamido-2-methylpropanesulfonic acid)-Based Proton Exchange Membranes for Fuel Cells

2010 ◽  
Vol 43 (15) ◽  
pp. 6398-6405 ◽  
Author(s):  
Hanbin Diao ◽  
Feng Yan ◽  
Lihua Qiu ◽  
Jianmei Lu ◽  
Xinhua Lu ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Performance ◽  
Proton Exchange Membranes ◽  
Proton Exchange

Obtaining Proton-Exchange Membranes of Fuel Cells from Natural Filling Agents to be Used for Vehicles

2018 ◽  
Vol 277 ◽  
pp. 241-250
Author(s):  
Olena Svietkina ◽  
Stanislav Bartashevskyi ◽  
Valeriy Nikolsky ◽  
Kostiantyn Bas ◽  
Peter Chlens ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Fuel Cells ◽  
Composite Materials ◽  
Proton Exchange Membrane ◽  
Membrane Conductance ◽  
Proton Exchange Membranes ◽  
Proton Exchange ◽  
Travel Distance ◽  
Electric Locomotive ◽  
Exchange Membrane

Methods to increase travel distance of mine electric locomotive from one charging at the expense of fuel cells with proton-exchange membrane and to improve efficiency of the process as a result of using selective composite materials have been considered. It has been demonstrated that the use of activated natural materials will make it possible to increase membrane conductance up to 3.6·10−2Cm·cm−1; that will allow increasing energy-efficiency of fuel cells for their operation in terms of mine electric locomotives.

scholarly journals Nafion phosphonic acid composite membranes for proton exchange membranes fuel cells

2019 ◽  
Vol 487 ◽  
pp. 889-897 ◽  
Author(s):  
Fátima C. Teixeira ◽  
Ana I. de Sá ◽  
António P.S. Teixeira ◽  
C.M. Rangel
Keyword(s):  
Fuel Cells ◽  
Phosphonic Acid ◽  
Composite Membranes ◽  
Proton Exchange Membranes ◽  
Proton Exchange
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