Spomenka Kobe, Marko Soderznik, Boris Saje Jozef Stefan Institute Jamova 39 SI-1000 Ljubljana, Kolektor Group d.o.o. Vojkova10 SI-5280 Idrija
Abstract: The group of experts at Jozef Stefan Institute, the Department for Nanostructured materials has many years’ experience in the field of permanent magnets for high energy applications such as electric vehicles and wind turbines. The author of this contribution is the Coordinator of 4 mio EUR European project on this subject. For electric vehicles and wind turbines only the magnets with highest energy products are appropriate and this is enabled with the addition of 11 wt.% of heavy rare earth (Dy, Tb), which are on the top of the list of critical raw materials (published by EC in 2014). With highly innovative process we decreased the amount of heavy rare earth to 0.6 wt. % for better performances and substantial savings on critical raw materials. Small wind turbines next to the smart house or in a small smart settlement would bring renewable energy and contribute to the environment TP E(E.2), Electric/hybrid vehicles would contribute to clean transportation in smart cities.
Keywords: Electric Cars, Wind Turbines, Nano materials, Smart Vechicles, Magnets Electric Cars and Wind Turbines
References: [1] Zagar Kristina, Kocjan Andraz, Kobe Spomenka, Magnetic and microstructural investigation of high-coercivity netshape Nd-Fe-B-type magnets produced from spark-plasmasintered melt-spun ribbons blended with DyF3, Journal of Magnetism and Magnetic Materials, submitted.
[2] McGuiness Paul, J., Soderznik Marko, ‘turm Sašo, Zagar Kristina, Kobe Spomenka, et al., Replacement and Original Magnet Engineering Options (ROMEOs): a European seventh framework project to develop advanced permanent magnets without, or with reduced use of, critical raw materials. JOM, 2015, 67 (6) str.1306-1317, (June 2015)
[3] Kelhar, L., McGuiness, P.J., Kobe, S. (2015). Metal-bonded RE-Fe-B magnets : patent application US 503346378. [S. l.]: US Patent and Trademark Office, 11. Jun. 2015.
[4] McGuiness, P.J., Soderznik, M., Zagar, K., Kocjan, A., Kobe, S. (2015). Method of manufacturing fully dense Nd-fe-B magnets with enhanced coercivity and gradient microstructure : patentna prijava EP 13005137.8 - 1556/2869311. Munich: European Patent Office, 9. Apr. 2015.
[5] Kobe, S. (2013). Replacement and original magnet engineering options : presented at 3rd Trilateral EU-US-Japan Conference on Critical Materials: towards New Models in Efficient Management of Critical Materials 29-30 May 2013, Brussels. 2013.
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