Rare earth related materials have been widely used for luminescent, magnetic and electronic materials. In the last decade, these materials are essential in the energy storage, energy saving and renewable energy technology, which enable us to realize the sustainable society. Rare earth elements except for several middle / heavy rare earths are plentiful in the Earth’s crust. However, the uneven distribution of exploitable rare earth mineral makes it difficult to maintain their stable supply. In order to solve this problem, not only searching for new resource but also novel application development of unused rare earth elements is required. In this task, we dedicated to research on the following topics; the development of rare earth sulfide thermoelectric materials, environmental and economic friendly materials and the rare earth recycling processes.
希土類の特性を活かした高度なサスティナビリティを有する材料およびプロセス開発
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