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Full-Text Articles in Engineering

Additive Manufacturing Of High Performance Flexible Thermoelectric Generators Using Nanoparticle Inks, Tony Valayil Varghese May 2019

Additive Manufacturing Of High Performance Flexible Thermoelectric Generators Using Nanoparticle Inks, Tony Valayil Varghese

Boise State University Theses and Dissertations

Flexible thermoelectric devices are attractive power sources for the growing demand of flexible electronics and sensors. Thermoelectric generators have an advantage due to no moving parts, silent operation and constant power production with a thermal gradient.

Conventional thermoelectric devices are rigid and fabricated using complex and relatively costly manufacturing processes, presenting a barrier to increase the market share of this technology. To overcome such barriers, this work focuses on developing near ambient-temperature flexible thermoelectric generators using relatively low-cost additive manufacturing processes. A screen printable ink was developed for transforming nanoparticle ink into high-performance flexible thermoelectric generators with a peak thermoelectric …


Thermoelectric Material Property Measurement For Flexible Films, Courtney Hollar Aug 2016

Thermoelectric Material Property Measurement For Flexible Films, Courtney Hollar

Boise State University Theses and Dissertations

The market for wearable electronics and implantable medical devices continues to grow. Within the next several years, the wearable electronic and implantable medical devices market will reach $31.2 billion and $73.9 billion, respectively. Currently, the most commonly used power source is the rigid lithium ion battery. In order to further optimize the devices, flexible autonomous power sources, such as thermoelectric generators, can replace traditional battery systems.

Flexible thermoelectric films were created using a wet deposition approach and synthesized into ink suitable for either spin coating or screen printing. This study focuses on Seebeck coefficient, electrical conductivity, and thermal conductivity measurements. …


Flexible Thermoelectric Generators For Biomedical Applications, Ryan Stevenson Aug 2015

Flexible Thermoelectric Generators For Biomedical Applications, Ryan Stevenson

Boise State University Theses and Dissertations

The market for implantable medical devices is growing rapidly. Research and Markets predicts that by the end of 2015 the market for pacemakers will be 5.1 billion dollars, and a projected growth of 13.82% between 2013 and 2018. The average lifespan of an implantable medical device’s battery is only 5 years, while the projected lifespan of the device itself is 10 years. There is an excess of invasive surgeries occurring to replace these batteries, costing the healthcare system millions of dollars and also causing patients a large degree of discomfort and pain.

Thermoelectric generators have the potential to supplement and …