New stack architecture has potential to double the power density of fuel cell technology.
Bothell, Wash.-based fuel cell developer and manufacturer Neah Power Systems, Inc. recently announced the successful test of a 16-cell version of its silicon-based fuel cell stack. Using patented silicon technology, the stack produced greater power density than any known competitive technology under similar conditions, making the successful test a major milestone toward completion of a commercial fuel cell prototype.
The 16-cell stack produced over 7 watts of power at room temperature, which can be expected to increase significantly at typical fuel cell operating temperatures, which shows that the company's unique porous silicon electrode architecture will produce power at the level needed for commercialization.
According to Neah Power researchers, its patented silicon technology will more than double the known power densities of any competing direct methanol fuel cell.
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