Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 33, Issue 1, Pages 1-7Publisher
WILEY
DOI: 10.1002/er.1463
Keywords
air-breathing direct methanol fuel cell; cathode configuration; catalyst-coated membrane; gold-plated Ni mesh; mass transport
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Funding
- Natural Science Foundation of China [20606007]
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A novel cathode configuration that promotes the mass transports through the cathode of air-breathing direct methanol fuel cell is reported in this paper. This cathode, free of the Support by conventional wet-proof carbon fiber backing, adopts a gold-plated Ni mesh as the air passages and the Current collector. The cathode microporous layer, which plays the role of air diffusion and water management, is applied oil the catalyst-coated membrane through the decal method. The mesh is combined with the MPL by hot-pressing procedure to form the cathode diffusion medium. The remarkable improvement of two-phase diffusions at cathode results in all increment in maximum power density of the single cell from 11.0 to 15.5 mW cm(-2) at 293 K. Copyright (C) 2008 John Wiley & Soils, Ltd.
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