✦ LIBER ✦

Structural and Physical Properties of GDL and GDL/BPP Combinations and their Influence on PEMFC Performance

✍ Scribed by P.M. Wilde; M. Mändle; M. Murata; N. Berg

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 336 KB
Volume: 4
Category: Article
ISSN: 1615-6846
DOI: 10.1002/fuce.200400022

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The change in the structural and physical properties of the components assembled in a fuel cell stack, when being compressed, is important for performance evaluation. The physical properties of Gas Diffusion Layer (GDL) materials, such as thickness, through plane resistivity and gas permeability and pore size data are presented as a function of compressive force. The data obtained are correlated with fuel cell performance data. Beyond the materials and components specific properties the behaviour of combinations of BPP and GDL materials, which are manufactured by SGL Technologies GmbH, are evaluated and presented. Through plane resistance of a GDL‐BPP‐GDL sandwich is evaluated for varied compression forces and materials permutations.

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