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Development of Mg3Sb2−Mg3Bi2 Alloys as Thermoelectric Materials

Description:

Following the discovery of n-type Mg3Sb2−Mg3Bi2 alloys, attempts have been undertaken to optimize their thermoelectric performance because understanding of the properties of this system had been limited due to its novelty. In this thesis, the thermoelectric performance of n-type Mg3Sb2−Mg3Bi2 alloys was systematically investigated and significantly improved. Thorough experimental characterization...

Keyword:

Thermoelectrics, Energy conversion, Seebeck effect, Thermal conductivity, Mg3Sb2, and Electrical conductivity

Subject:

Engineering and

Creator:

Imasato, Kazuki

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

04/15/2021

Date Created:

2021-01-01

Resource Type:

Dissertation

Alternate Identifier:

etdadmin_upload_792898 and http://dissertations.umi.com/northwestern:15453
Engineering of Grain Boundaries in Thermoelectric Materials

Description:

The effect of interfaces in solids on the overall charge transport properties has become a topic of growing importance for energy materials such as thermoelectrics. In some polycrystalline thermoelectric materials, the performance near room temperature is significantly limited due to thermally-activated electrical conductivity near room-temperature, which can be attributed to...

Keyword:

Contact resistance, Grain boundary, Charge transport model, Thermoelectric, Mg3Sb2, and NMC

Subject:

Physics and Materials Science

Creator:

Kuo, Jimmy

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

04/15/2021

Date Created:

2021-01-01

Resource Type:

Dissertation

Alternate Identifier:

http://dissertations.umi.com/northwestern:15489 and etdadmin_upload_797891

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