High thermoelectric cooling performance of n-type Mg 3 Bi 2 -based materials

Author:

Mao Jun1ORCID,Zhu Hangtian1ORCID,Ding Zhiwei2ORCID,Liu Zihang1ORCID,Gamage Geethal Amila1,Chen Gang2ORCID,Ren Zhifeng1ORCID

Affiliation:

1. Department of Physics and Texas Center for Superconductivity (TcSUH), University of Houston, Houston, TX 77204, USA.

2. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Abstract

Thrifty thermoelectric cooling Currently available thermoelectric devices for cooling rely on expensive bismuth telluride. Mao et al. systematically developed a far less expensive n-type magnesium-bismuth–based material with good thermoelectric properties. They built a device that could generate a temperature difference of up to 90 kelvin when coupled with a commercially available p-type material. Such materials should provide an excellent basis for cost-effective thermoelectric cooling technology. Science , this issue p. 495

Funder

Alexander von Humboldt-Stiftung

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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