Thermoelectric conversion material and method of producing...

Details Thermoelectric conversion material and method of producing... Thermoelectric conversion material and method of producing...

2006-02-21

2006-02-21

Ryan, Patrick (Department: 1745)

Batteries: thermoelectric and photoelectric

Thermoelectric

Having particular thermoelectric composition

C136S236100, C136S238000, C136S240000

Reexamination Certificate

active

07002071

ABSTRACT:
A thermoelectric conversion material is formed of a polycrystal structure of crystal grains composed of a silicon-rich phase, and an added element-rich phase in which at least one type of added element is deposited at the grain boundary thereof, the result of which is an extremely large Seebeck coefficient and low thermal conductivity, allowing the thermoelectric conversion rate to be raised dramatically, and affording a silicon-based thermoelectric conversion material composed chiefly of silicon, which is an abundant resource, and which causes extremely low environmental pollution.

REFERENCES:
patent: 3898080 (1975-08-01), Penn
patent: 6506321 (2003-01-01), Yamashita et al.
Arita, Y., Miyagawa, T., Matsui, T., “Thermoelectric properties of Ru2Si3 prepared by FZ and arc melting methods”, 17thInternational Conference on Thermoelectric, May 1998, pp. 394-397.

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