Technology theme: Innovative thermoelectric conversion technologies for stand-alone power supplies for sensors
In Society 5.0, new value is expected to be created by having sensors acquire all information and having AI analyze the acquired information. In future, a huge number of sensors are expected to be installed in every situation, which makes it imperative to secure power sources to drive the sensors, and various technologies are being considered. One is thermoelectric conversion technology, that converts heat sources in the environment (e.g. exhaust heat, body temperature, etc.) directly into electricity. This technology is attracting attention as one that enables independent power supplies for sensors used in places where wiring is difficult or on moving objects, such as animals and humans. Unfortunately conventional thermoelectric conversion technology is not widely accepted because of material issues, such as resource restrictions, toxicity etc., and problems in mass productivity, reliability and cost due to the complex structure of elements. If you successfully solve these problems and develop an innovative thermoelectric conversion technology that enables independent power supplies for sensors, the sensors can be installed in every situation, contributing to the realization of Society 5.0.
Utilizing magnetism to develop high performance thermoelectric materials and devices
| R&D Period | 2019.11- |
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| Grant Number | JPMJMI19A1 |
| Project Summary | Summary (PDF:375KB) |
Summary：
In future Society 5.0, sensors will gather myriad dataanalyzed by AI to create new value. Thermoelectricmodules are promising to supply power to innumerablesensors by directly converting ubiquitous thermal energy in the environment to electricity. On the other hand, there are various challenges, such as material resource constraints and difficulties in mass production due to complex device structure. This project aims to develop ultra-high-performance thermoelectric materials that break through conventional limitations, and to promote modularization suitable for industrial processes and low-cost mass production, aiming to develop innovative thermoelectric conversion technologies for practical application. With this technology, we aim to realize autonomous power sources (thermal batteries) for IoT sensors and devices supporting future society, realize waste/waste heat power generation, advance cooling technologies, and create new industries and develop markets. Power ubiquitous IoT sensors and devices for future society.
R&D Team
[Leading Institution]
National Institute for Materials Science (NIMS)
[Collaborators]
NIMS, AIST, TU Wien, U Tsukuba, U Tokyo, Toyota Tech. U，Kyushu U, Companies involved in materials, device and module component technologies
Project Website
https://b2c-project.jp/project
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