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Journal ArticleDOI

Improvement of water management by a microporous sublayer for PEM fuel cells

Zhigang Qi, +1 more
- 15 Jun 2002 - 
- Vol. 109, Iss: 1, pp 38-46
TLDR
In this paper, a microporous PTFE/carbon sublayer between the carbon paper and the catalyst layer played a crucial role in PEM fuel cells, which reduced the difference among different carbon paper types made by different manufacturers or by the same manufacturer at different times.
About
This article is published in Journal of Power Sources.The article was published on 2002-06-15. It has received 378 citations till now. The article focuses on the topics: Proton exchange membrane fuel cell.

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Citations
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Journal ArticleDOI

PEM fuel cell electrodes

TL;DR: In this article, a survey of recent literature with the objective to identify common components, designs and assembly methods for PEMFC electrodes is presented, and an overview of fabrication methods that have been shown to produce effective electrodes and those that are deemed to have high future potential.
Journal ArticleDOI

Effective diffusivity and water-saturation distribution in single- and two-layer PEMFC diffusion medium

TL;DR: In this paper, the formation and distribution of condensed water in diffusion medium of proton exchange membrane fuel cells, and its tendency to reduce the local effective mass diffusivity and to influence cell performance, are studied.
Journal ArticleDOI

A review of water flooding issues in the proton exchange membrane fuel cell

TL;DR: In this article, the authors reviewed more than 100 references related to water management in proton exchange membrane (PEM) fuel cells, with a particular focus on the issue of water flooding, its diagnosis and mitigation.
Journal ArticleDOI

Water transport in polymer electrolyte membrane fuel cells

TL;DR: In this article, the state and transport mechanism of water in different components of PEMFC are elaborated in detail, and the experimental techniques have been developed to predict distributions of water, gas species, temperature and other parameters in polymer electrolyte membrane fuel cell (PEMFC).
References
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Journal ArticleDOI

Modeling and Experimental Diagnostics in Polymer Electrolyte Fuel Cells

TL;DR: In this paper, the authors present a fit between model and experiment for well-humidified polymer electrolyte fuel cells operated to maximum current density with a range of cathode gas compositions.
Journal ArticleDOI

Development and electrochemical studies of gas diffusion electrodes for polymer electrolyte fuel cells

TL;DR: In this paper, the performance of low catalyst loading gas diffusion electrodes for polymer electrolyte fuel cells is analyzed using theoretical models of the electrode structure and of the fuel cell system, and it is shown that most of the electrodes present limiting currents and some also show linear diffusion components arising from diffusion limitations in the gas channels and/or in the thin film of electrolyte covering the catalyst particles.
Journal ArticleDOI

Diffusion layer parameters influencing optimal fuel cell performance

TL;DR: In this article, the performance of polymer electrolyte fuel cells (PEFCs) is substantially influenced by the morphology of the gas diffusion layer and the hydrophobicity and porosity of the diffusion layer.
Journal ArticleDOI

Influence of the PTFE content in the diffusion layer of low-Pt loading electrodes for polymer electrolyte fuel cells

TL;DR: The influence of the structure and composition of the diffusion layer on polymer electrolyte fuel cell (PEFC) cathode performance was investigated in this paper, where the PEFC cathode was prepared with different poly-tetrafluoroethylene (PTFE) content and maintaining a constant composition for the catalytic layer with a low-Pt loading.
Journal ArticleDOI

Influence of the water content on the kinetics of counter-ion transport in perfluorosulphonic membranes

TL;DR: In this paper, the high frequency electrical resistance of a Nafion ® 117 perfluorosulphonic membrane has been measured by means of the ac impedance technique using a mercury cell and the variations of the membrane conductance as a function of the degree of swelling and of the nature of the counter-ion have been determined.
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