Thermal stability of p-type polycrystalline Bi2Te3-based bulks for the application on thermoelectric power generation
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- 作者：Chengpeng Jianga ; b ; Xi'an Fana ; b ; groupfxa@163.com" class="auth_mail" title="E-mail the corresponding author ; Bo Fenga ; b ; Jie Hua ; b ; Qiusheng Xianga ; b ; Guangqiang Lia ; b ; Yawei Lia ; b ; Zhu Hea ; b
- 关键词：Thermal stability ; Bi2Te3 ; Thermoelectric materials ; Electrical transport ; Mechanical properties ; Thermoelectric power generation
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：25 January 2017
- 年：2017
- 卷：692
- 期：Complete
- 页码：885-891
- 全文大小：2037 K
文摘
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The thermal stability of p-type Bi2Te3 based bulks were investigated in detail.
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The p-type Bi2Te3 based bulks could maintain good thermal stability below 473 K.
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The volume expansion and mass loss rate increased, and density decreased over 523 K.
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The thermoelectric and mechanical properties would obviously degrade over 523 K.
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For p-type Bi2Te3 based bulks, higher service temperature was, lower hardness was.