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Silicon-Based DMFC Fuel Cells

Electrode Surface Area (sq. inJsq. cm) PEM-Based DMFC Silicon-Based DMFC [Pg.108]

These calculations assume a power density of 65 to 85 mW/cm for PEM-based devices and about 180 to 205 mW/cm for silicon-based DMFC devices. These calculations reveal that a silicon-based DMFC device can meet the power requirements for several domestic and industrial applications. [Pg.108]

It is obvious from the calculations above that the silicon-based DMFC devices can be manufactured with lager electrodes to achieve much higher volumetric energy density. The fuel cell can be stacked to meet specific power requirements. Furthermore, dimensions of the surface areas can be altered to accommodate the fuel cell in a given space. In other words, one dimension can be slightly smaller or larger than the other to accommodate the device in a given available space. [Pg.108]

1 Unique Design Features and Potential Benefits of Silicon-Based DMFC [Pg.108]

Following are the unique design features and potential benefits of silicon-based DMFC  [Pg.108]


Preliminary studies conducted by the author indicate that silicon-based DMFC fuel cells (Figure 3.10) seem to be free from most of the problems associated with PEM-based DMFC devices. The studies further indicate that silicon-based DMFC devices are capable of providing higher power densities with liquid electrolytes and badly wanted portability, particularly in battlefield environments. One can achieve a larger reaction zone with a liquid electrolyte, which will yield higher power densities over PEM-based devices. These fuel cells could also use suitable oxidants, and the devices can be manufactured with lower costs and higher reliability. Typical power output levels available from PEM-based and silicon-based DMFC devices as a function of fuel cell surface area are summarized in Table 3.6. [Pg.107]


See other pages where Silicon-Based DMFC Fuel Cells is mentioned: [Pg.107]    [Pg.107]    [Pg.109]    [Pg.31]    [Pg.1663]    [Pg.1811]    [Pg.493]    [Pg.1125]    [Pg.134]    [Pg.390]    [Pg.392]   


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