NANOCOMPOSITE THERMOELECTRIC CONVERSION MATERIAL

NANOCOMPOSITE THERMOELECTRIC CONVERSION MATERIAL

PROBLEM TO BE SOLVED: To provide a nanocomposite thermoelectric conversion material having high thermoelectric performance, by securing high electric conductivity while reducing thermal conductivity by dispersing phonon scattering particles with nano size in a thermoelectric conversion material matr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KITA TAKUSHI, MURAI TATEYA, KINOSHITA YOHEI, KATAOKA TOMOJI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRICITY
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a nanocomposite thermoelectric conversion material having high thermoelectric performance, by securing high electric conductivity while reducing thermal conductivity by dispersing phonon scattering particles with nano size in a thermoelectric conversion material matrix.SOLUTION: In a nanocomposite thermoelectric conversion material including phonon scattering particles with nano size dispersed in a matrix comprising a thermoelectric conversion material, the phonon scattering particles are present only in a crystal grain boundary of the thermoelectric conversion material. An interval between the phonon scattering particles is preferably 5 nm or more.