Journal
SENSORS AND ACTUATORS A-PHYSICAL
Volume 132, Issue 1, Pages 325-330Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.sna.2006.04.054
Keywords
thermoelectric power generator; polymer foil; screen-printing
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A coiled-up thermoelectric micro power generator is presented using metal films sputtered on a thin polyimide foil. The principle of coiling-up yields higher voltages at a smaller generator area. Design optimizations were made for maximum long-term power output using the human body as heat source. It is shown that for low-power electronics like a wrist-watch even simple materials are sufficient and allow lowest-cost production, e.g. screen printing. Thermoelectrical screen-printing pastes were developed and results of first screen printed thermocouples are given. (c) 2006 Elsevier B.V. All rights reserved.
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