Improvement of PEMFC Performance by Optimization of the Decal Process
- Improvement of PEMFC Performance by Optimization of the Decal Process
- 조홍제; 장현숙; 임석희; 조은애; 장종현; 김형준; 임태훈
- PEMFC; MEA
- Issue Date
- 220th ECS Meeting
- 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.
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