High Efficiency heAt pipes using hierarchical nano Tubes
Modern electronic devices have flourished because of the relentless development of new lithographic processes that result in ever higher and more compact computing power. However, this increases the amount of heat generated in a d...
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Información proyecto HEAT
Duración del proyecto: 18 meses
Fecha Inicio: 2019-02-25
Fecha Fin: 2020-08-31
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Descripción del proyecto
Modern electronic devices have flourished because of the relentless development of new lithographic processes that result in ever higher and more compact computing power. However, this increases the amount of heat generated in a decreasing volume. As a result the computing power of many modern processors is truncated to avoid thermal damage.
The preferred cooling technology for portable electronic devices are heat pipes. While this technology allows for impressive cooling performances, heat pipes have essentially remained unchanged for the past four decades, and are unable to satisfy the cooling requirements of modern processors. This project seeks to maximize the performance of heat pipes made using a new ultra-fast co-electroplating process that allows for the fabrication of an entirely new type of heat pipe material. Specifically, the developed process allows fabrication of 3D foams with microscale geometries (microfoams) that are made out of a carbon nanotube-copper composite. These foams exhibit capillary driven flowrates 250% that of commercial heat pipe foams, which is expected to provide a similar step-change improvement in heat pipe cooling power. The fabrication process itself is also disruptive because it enables an unprecedented control over the metal foam porosity and leverages the ultra-high thermal conductivity of the used nanoparticles. Further, our process is more energy efficient than current thermal sintering processes and it potentially allows for a continuous fabrication process.
Because of the combined advantages in cooling performance and efficiency of the manufacturing process, this developed technology could displace current heat pipes. However, to take this technology forward, it requires support from this ERC-POC project to study the scale-up of the manufacturing process as well as to develop heat pipe demonstrators.