热电材料塞贝克系数的不确定度评定

doi:10.3969/j.issn.1000-1158.2021.08.05

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Abstract The thermoelectric materials are new functional materials, which can make the mutual transformation of thermal and electric energy directly. The Seebeck coefficient is the key parameter to evaluate the property of thermoelectric materials and its accurate measurement is very important. Based on the accurate measurement method, the traceability path of Seebeck coefficient was established, and the traceability of test apparatus were studied. The measurement uncertainty of P-type bismuth telluride Bi2Te3 bulk thermoelectric material was evaluated, and the relative expanded uncertainty was 0.46%～2.52% (k=2).

Key words： metrology thermoelectric materials Seebeck coefficient uncertainty evaluation

Received: 22 August 2019 Published: 20 August 2021

PACS:	TB942
	TB971

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	Articles by authors
	LI Shuo
	GUO Tao
	YAO Ya-xuan
	REN Ling-ling

Cite this article:

LI Shuo,GUO Tao,YAO Ya-xuan, et al. The Uncertainty Evaluation of Seebeck Coefficient of Thermoelectric Materials[J]. Acta Metrologica Sinica, 2021, 42(8): 1006-1011.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2021.08.05 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2021/V42/I8/1006

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