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SDK unveils high-performance thermoelement

Posted: 23 Aug 2004 ?? ?Print Version ?Bookmark and Share

Keywords:showa denko? sdk? thermoelement?

Showa Denko K.K. (SDK) disclosed that they have developed a high-performance thermoelement, which is a key component of modules that convert heat energy directly into electric energy.

According to the pres statement, the thermoelectric system is based on the development of voltage due to differences in temperature between the upper part and the lower part of a thermoelement.

The newly developed thermoelement is based on a lanthanum-iron-antimony alloy. SDK said that the new product features the following advantages:

??? the alloy uses lanthanum, which is readily available, while excluding the use of lead, tellurium or other hazardous materials;

??? a quench casting method, which enables continuous production, and crushing/sintering technologies are combined to produce the device;

??? achieved equal or higher generation efficiency compared with conventional products that use lead and tellurium;

??? usable at high temperatures of up to 700C (the larger the temperature difference, the larger the amount of electricity generated);

??? lower raw material cost compared with conventional products that use lead and tellurium;

??? the existing rare earth magnetic alloy production process is used, enabling industrial production with costs lower than those of the conventional batch production system.

Under the ongoing medium-term consolidated business plan called the "Sprout Project," the company is allocating resources to the magnetic materials, which falls under the category of the strategic growth businesses. Together with the earlier announced electromagnetic absorption sheets, SDK will provide individualized products featuring interconnections of highly thermal conductive inorganic fillers and magnetic film formation technologies. It plans to sell over $45 million worth of magnetic materials in 2010.

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