Denso has announced that it has invested in Next Core Technologies (NCT) with the aim of jointly developing in the field of motor cores. These cores utilise iron-based amorphous alloys, which are a key materials for strengthening the competitiveness of next-generation Motor Generators (MGs).
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A motor core is an iron core inside a motor that conducts magnetic flux. It is manufactured by stacking thin electromagnetic steel sheets and has a significant impact on motor performance, efficiency, and heat generation.
A Motor Generator (MG) is a core motor installed in BEVs, PHEVs, and HEVs that serves as the primary driving force during startup and driving, while also generating electricity during deceleration.
Denso points out that market demand for improved power efficiency in electric vehicles continues to grow. Against this backdrop, higher efficiency is increasingly required of MG, which play a critical role in extending driving range and improving driving performance of electrified vehicles.
To meet these market needs, reducing power loss in MG is essential, Denso maintains. Among various approaches, Denso maintains that iron-based amorphous alloys—which can significantly reduce iron loss occurring in motor cores—are increasingly considered a promising material to realise high-efficiency motors.
Under these circumstances, Denso has decided to invest in NCT, which possesses strong expertise in materials and processing technologies for iron-based amorphous alloys, to achieve early realisation of MG’s product competitiveness using this next-generation material.
Through this investment, Denso and NCT will accelerate joint development which aims to establish ‘mass production of highly efficient motor cores for next-generation MG, by combining NCT’s materials and processing technologies for amorphous alloy motor cores with Denso’s extensive expertise in MG product development’.
Denso says the initiative will contribute to further improvements in the performance of next-generation MG, thereby helping to extend the driving range of electric vehicles and enhance their driving performance.
