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Successful Development of New Ultra Energy Efficient Magnetic Ribbon SENNTIX III

NEC TOKIN Corporation (President: Masakazu Okabe; Head office: Sendai, Japan) has developed a new energy efficient magnetic ribbon named "SENNTIX III*" jointly with Professor. Akihiro Makino of the Institute for Materials Research, Tohoku University, based on Prof. Makino's research. This revolutionary new material has the potential to greatly improve the power consumption of motors used in electric cars, and mid-sized and larger transformers used in electric power grids. Samples will be supplied starting this fiscal year.

This newly developed magnetic ribbon SENNTIX III enables to minimize the loss generated in the magnetic core (iron loss), which is a cause of loss in devices with high energy consumption, such as motors and transformers. SENNTIX III has been composed with Ubiquitous elements only and its iron proportion exceeds 90%. This makes it an Earth-friendly material that can be supplied stably at low prices.

SENNTIX III is the nanocrystalline micro-structured material (see Photo 1) with extremely low loss characteristic in the range of the saturation magnetic flux density over 1.8T (Tesla) discovered by Prof.  Akihiro Makino. NEC TOKIN has conducted joint research with Prof. Makino to commercialize this revolutionary new material.

Over the past few years, there has been rapid growth in development of alternative forms of energy to fossil fuels. While use of solar and wind power has advanced, electric power grids have started being converted into smart grids, and electric vehicles (EVs) equipped with high-capacity batteries have also reached the level where their widespread adoption is possible. Although these technological innovations are effective at reducing emissions of greenhouse gases, which are believed to be a cause of global warming, a major breakthrough is still needed strongly in the effective utilization of energy, or in other words, reducing the energy loss of devices that use electricity.

The global electric-power consumption is currently 19,771 TWh (results from 2007), of which 672 TWh (3.4% of the total power consumption) is wasted as heat energy caused by iron loss** when motors and transformers consume power. Minimizing this loss will make that amount of power consumption unnecessary, which would significantly reduce carbon emissions.

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