Abstract
Fuel cells as an energy conversion device can be used in many power technologies and are open to further developments. Considering the fuel cells integrated portable devices, especially the direct methanol fuel cells (DMFCs) have great potential and some were demonstrated for power supply in mobile phones, digital cameras and laptops. DMCF’s popularity in portable devices is due to the high efficiency and low pollutant emission. Compared to conventional batteries, DMFCs have great potential advantages such as continuous power supply, high-power density and long service life. However, some problems prevent their widespread commercialization. In particular, since conventional batteries are still preferred since they can meet most of the portable energy demands, bringing DMFCs to a competitive level is very important at first. In order to achieve desired performance and efficiency in DMFCs; sufficient fuel quality and feed conditions are also necessary. Similar to the other fuel cell types, the most important factor for final and durable performance is the anode oxidation catalyst technology. Therefore, this chapter mainly focuses on the anode catalysts of DMFCs but also provides information about other factors for the commercialization of DMFCs.
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