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Friday, 08/22/2014 12:33:54 PM

Friday, August 22, 2014 12:33:54 PM

Post# of 30168
Finding:

Cross, T., Reiman, D. and D'Couto, C. (2014), Development of porous silicon based direct methanol fuel cells with nitric acid as liquid oxidant for portable applications. WIREs Energy Environ.. doi: 10.1002/wene.127

Development of porous silicon based direct methanol fuel cells with nitric acid as liquid oxidant for portable applications

Energy intensive applications for long running, portable power (0–200 W) military, first-responder, and consumer electronics applications have driven the need for development of alternative energy sources such as direct methanol fuel cells (DMFC's). These methanol fuel cells can serve a large range of applications from portable applications for consumer, industrial and military applications, to distributed energy generation and storage. A new and unique approach to DMFC design has been developed by Neah Power Systems that uses a porous silicon, catalyst-supporting electrode structure and circulating liquid fuel, electrolyte, and oxidant. Neah Power's silicon-based architecture and use of liquid electrolyte creates a three dimensional reaction zone that is able to generate industry leading power densities of greater than 180 mW/cm2. Neah Power has demonstrated a portable, DMFC prototype from their ground-breaking porous silicon-based technology. The versatility of the architecture has been proven by operating the fuel cell using a variety of liquid and gaseous oxidants, as well as methanol and formic acid-based fuels. This silicon-based design can be manufactured using standard semiconductor processing techniques, and has the potential to deliver low-cost, portable power systems exhibiting high energy density and reliable operation in a broad range of environmental conditions.

source: http://onlinelibrary.wiley.com/doi/10.1002/wene.127/abstract
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