US 12,284,919 B2
Mg2Sn thermoelectric materials for colossal Seebeck coefficients and fabrication method therefor
Sa Ra Kim, Gwangju (KR); and Nam Hoon Kim, Gwangju (KR)
Assigned to Industry-Academic Cooperation Foundation, Chosun University, Gwangju (KR)
Filed by Industry-Academic Cooperation Foundation, Chosun University, Gwangju (KR)
Filed on May 24, 2023, as Appl. No. 18/201,666.
Claims priority of application No. 10-2022-0104881 (KR), filed on Aug. 22, 2022.
Prior Publication US 2024/0065104 A1, Feb. 22, 2024
Int. Cl. H10N 10/854 (2023.01); H10N 10/851 (2023.01); H10N 10/857 (2023.01)
CPC H10N 10/854 (2023.02) [H10N 10/851 (2023.02); H10N 10/857 (2023.02)] 8 Claims
OG exemplary drawing
 
1. A thermoelectric material showing a Seebeck coefficient of more than 10 mVK−1 at a temperature of 300 to 500° C., comprising an Mg-poor Mg2Sn crystal and Secondary Sn phase with a Mg/Sn atomic ratio of about 1.8, the Mg-poor Mg2Sn crystal having an X-ray diffraction (XRD) exhibiting a 20 peak at 23.11.