High resolution synchrotron radiography

被引：2

作者：

Markoetter, Henning

Manke, Ingo ^{[1
]}

Hartnig, Christoph ^{[2
]}

Krueger, Philipp ^{[2
]}

Wippermann, Klaus

Arlt, Tobias ^{[3
,4
]}

Choinka, Gerard ^{[5
]}

Riesemeier, Heinrich ^{[6
]}

Banhart, John ^{[7
,8
]}

机构：

[1] Helmholtz Zentrums Berlin Mat & Energie, Anwenderzentrums Ind, Berlin, Germany

[2] Zentrum Sonnenenergie & Wasserstoff Forsch, Ulm, Germany

[3] Ferdinand Braun Inst, Berlin, Germany

[4] Helmholtz Zentrum Berlin, Inst Angew Mat Forsch, Berlin, Germany

[5] Helmholtz Zentrum Berlin, Bereich Tomog Tatig, Berlin, Germany

[6] Bundesanstalt Mat Forsch & Prufung BAM, Arbeitsgrp Synchrotronstrahlanalyt, Abt Analyt Chem Referenzmat, Berlin, Germany

[7] TU Berlin, Inst Angew Mat Forsch, Berlin, Germany

[8] TU Berlin, Inst Werkstoffwissensch & Technol, Berlin, Germany

来源：

MATERIALS TESTING | 2010年 / 52卷 / 10期

关键词：

LOCAL CURRENT DISTRIBUTION; NEUTRON IMAGING TECHNIQUE; PEM FUEL-CELLS; WATER DISTRIBUTION; TRANSPORT;

D O I：

10.3139/120.110179

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Characterization of CO2 and water distributions in direct methanol and polymer electrolyte membrane fuel cells. In-situ synchrotron radiography is used to visualize the distribution and transport of CO 2 and water in direct methanol and polymer electrolyte membrane fuel cells (DMFCs and PEM-FCs) in order to provide the knowledge needed for an optimization of the fuel cell materials. Using synchrotron radiography, dynamic processes can be seen in a very high spatial und temporal resolution and processes in the cell are made visible during operation in a non-destructive and non-invasive way. In this article an overview of various possible applications in fuel cell research is given. Fluids and gas distributions are analyzed in in-plane views and in through-plane views, respectively. With the examples chosen the correlation between the microstructure of the materials used and the media transport as well as the influence of the operation parameters on the media distribution is demonstrated.

引用

页码：698 / 704

页数：7

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