Linnea BrushWith ongoing interest in micro fuel cell development, what are some of the more promising technologies for portable power applications? Darnell’s Power Forum will highlight a number of trends in the “alternative” energy storage market, including a paper from Johnson Research and Development/Excellatron Solid State titled, “Novel Micro Power Source Based on Fuel Cell Technology.” Lonnie Johnson has already developed an all-solid state engine that offers maximum theoretical efficiency available from an engine operating between two temperatures, similar to a fuel cell. Unlike a fuel cell, however, the engine is a closed system that is scaleable and can supply power for Micro Electro Mechanical Systems (MEMS).  

DPF ’10 will have several presentations with implications for portable power applications, including:  

• Power Management for Embedded Microcontrollers
• Chip and System-Level Power Considerations for Energy-Efficient Embedded Designs
• Perpetually Powered RF Pedometer Powered by Micro-Energy Cells Combined with Energy Harvesting
• Nano to Zero – Implementing a Low Power Wireless Sensor Node with Zero Sleep Power
• Battery Support Supercapacitors Extend Battery Performance, Life and Reduce Cost

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