Improvement of PEMFC Performance by Optimization of the Decal Process

Title
Improvement of PEMFC Performance by Optimization of the Decal Process
Authors
조홍제장현숙임석희조은애장종현김형준임태훈
Keywords
PEMFC; MEA
Issue Date
2011-10
Publisher
220th ECS Meeting
Abstract
Finally, as a dispersing agent, Additive-A was added into the catalyst ink, ensuring better dispersion stability of the catalyst mixture and that there were no surface cracks or fractures on the catalyst layer. As shown in Fig. 2 and Fig. 3, this was supported by the evidence based on the rheological behavior of the ink and its SEM images. In terms of the cell performances, there was no improvement from introducing the additive into the ink. However, it seems that use of the additive improves the durability of the PEMFC. Because the additive diminishes cracks and fractures in the catalyst layer, it is expected that MEAs without the additive will show more rapid voltage drops than their counterparts during the long-term operation of a cell.
URI
http://pubs.kist.re.kr/handle/201004/40509
Appears in Collections:
KIST Publication > Conference Paper
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