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2 794 354

(13)

(51)

IPC

B22F3/16(2006-01-01)

B22F1/14(2022-01-01)

H10N10/852(2023-01-01)

H10N10/853(2023-01-01)

(21) (22)

Application

2022123033, 2022-08-29

(24)

Start date

2022-08-29

(22)

Actual filing date

2022-08-29

(45)

Published

2023-04-17

(72)

Inventor

Shtern Maksim YurevichPanchenko Viktoriya PetrovnaTabachkova Natalya YurevnaShtern Yurij IsaakovichRogachev Maksim Sergeevich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Issledovatelskij Universitet Institut Elektronnoj Tekhniki"

METHOD FOR OBTAINING NANOSTRUCTURE THERMOELECTRIC MATERIALS Russian patent published in 2023 - IPC B22F3/16 B22F1/14 H10N10/852 H10N10/853

Abstract RU 2794354 C1

FIELD: powder metallurgy.

SUBSTANCE: invention is related in particular to manufacturing nanostructured thermoelectric materials (TEM). It can be used to make thermoelements. TEM based on Bi₂Te₃, or Sb₂Te₃, or PbTe, or GeTe, or SiGe is synthesized by direct fusion of the main components, taken in a stoichiometric ratio, with addition of alloying components. Synthesized TEM is ground using a high-energy planetary ball mill with a grinding ball diameter of 5 mm and a mass ratio of balls to TEM of 10:1 to obtain a nanodispersed powder with a predominance of particles from 10 to 100 nm. Powder compaction is carried out by spark plasma sintering.

EFFECT: increase of thermoelectric quality, mechanical strength of TEM, expansion of operating temperature range.

1 cl, 8 dwg, 6 tbl

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RU 2 794 354 C1

Authors

Shtern Maksim Yurevich

Panchenko Viktoriya Petrovna

Tabachkova Natalya Yurevna

Shtern Yurij Isaakovich

Rogachev Maksim Sergeevich

Dates

2023-04-17—Published

2022-08-29—Filed