Small thermoelectric energy source using various fuels

Document Type

Conference Proceeding

Publication Date

1-1-2006

Abstract

Over the past decade society's dependence on wireless electronics has grown substantially. Because these electronics are wireless they must carry their own power source, which in most cases is the electrochemical battery. Batteries can be problematic as a power source due to their limited lifespan. This raises significant issues for emergency and military applications, in which the function of the electronic device is crucial. In order to avoid these problems the amount of research being devoted to the development of small power sources has been growing rapidly. Here we propose the development of a small power source that can be used for the generation of electrical energy over a small duration of time. The energy source will used thermoelectric modules to convert thermal gradients to electrical energy. Several methods of generating the thermal gradient will be studied including a small butane flame equivalent to a pocket lighter, the rapid oxidation of magnesium that is commonly used in military MRE rations and lastly the slow oxidation of iron typically found in disposable pocket warmers. The efficiency and power output of each source will be identified and used to show the duration at which a mobile phone could be used. Copyright © 2006 by ASME.

Publication Title

American Society of Mechanical Engineers, Aerospace Division (Publication) AD

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