Journal ArticleDOI
Stack performance of phosphotungstic acid functionalized mesoporous silica (HPW-meso-silica) nanocomposite high temperature proton exchange membrane fuel cells
Jie Zeng,Jie Zeng,Benqin Jin,Pei Kang Shen,Beibei He,Krystina Lamb,Roland De Marco,San Ping Jiang +7 more
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TLDR
In this paper, a series of short stacks with 2-cell, 6-cell and 10-cell employing phosphotungstic acid functionalized mesoporous silica (HPW- meso -silica) nanocomposite proton exchange membranes (PEMs) have been successfully fabricated, assembled and tested from room temperature to 200°C.About:
This article is published in International Journal of Hydrogen Energy.The article was published on 2013-09-30. It has received 10 citations till now. The article focuses on the topics: Mesoporous silica & Phosphotungstic acid.read more
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Functionalized mesoporous structured inorganic materials as high temperature proton exchange membranes for fuel cells
TL;DR: In this paper, the development of high temperature PEMFCs is discussed, and the main emphasis is on the developments of unsupported and functionalized nano and mesoporous structured inorganic materials such as TiO2, Fe2O3, Al 2O3 and SiO2 for fuel cells.
Journal ArticleDOI
Silica-related membranes in fuel cell applications: An overview
TL;DR: In this paper, the interaction between silica and different types of polymer matrices in fuel cells and how they boost fuel cell performance is discussed and the current challenges of silica-related membrane-based fuel cells are discussed.
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Development of 500 W PEM fuel cell stack for portable power generators
TL;DR: In this paper, an air-cooled PEMFC stack was designed and fabricated for net 500 W power output, which was effectively regulated by the cooling fan based on on-off control system.
Journal ArticleDOI
Advancement toward Polymer Electrolyte Membrane Fuel Cells at Elevated Temperatures.
TL;DR: In this paper, the development of acid-base polymer membranes, inorganic proton conductors, and organic-inorganic composite materials is discussed. And the prospect and future exploration of new protonconductors based on phosphate immobilization and fuel cell technologies at temperatures above 200°C are discussed.
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Phosphotungstic acid embedded sulfonated poly(arylene ether ketone sulfone) copolymers with amino groups for proton exchange membranes
TL;DR: In this article, sulfonated poly(arylene ether ketone sulfone) containing pendant amino groups (Am-SPAEKS)/phosphotungstic acid (HPW) composite membranes with different HPW content were prepared by the solution blend method as proton exchange membrane fuel cells (PEMFCs) that operate at medium-high temperatures.
References
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Journal ArticleDOI
A review of polymer electrolyte membrane fuel cells: Technology, applications,and needs on fundamental research
TL;DR: In this article, the authors present the latest status of PEM fuel cell technology development and applications in the transportation, stationary, and portable/micro power generation sectors through an overview of the state-of-the-art and most recent technical progress.
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Alternative Polymer Systems for Proton Exchange Membranes (PEMs)
TL;DR: Devising systems that can conduct protons with little or no water is perhaps the greatest challenge for new membrane materials, and new membranes that have significantly reduced methanol permeability and water transport (through diffusion and electro-osmotic drag) are required for automotive applications.
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Review of the proton exchange membranes for fuel cell applications
TL;DR: In this article, the authors present an overview of the key requirements for the proton exchange membranes (PEM) used in fuel cell applications, along with a description of the membrane materials currently being used and their ability to meet these requirements.
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Approaches and Recent Development of Polymer Electrolyte Membranes for Fuel Cells Operating above 100 °C
TL;DR: In this article, a review of the area encompassing modified PFSA membranes, alternative sulfonated polymer and their composite membranes, and acid−base complex membranes is presented. But the authors do not discuss the performance of the composite membranes.
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Proton Conductivity of Nafion 117 as Measured by a Four‐Electrode AC Impedance Method
TL;DR: In this article, the proton conductivity of Nafion 117 was measured under various conditions of humidity and temperature using a four-electrode ac impedance method, and it varied strongly with the humidity and heat-treatment of the membrane.