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High thermoelectric performance of niobium-doped strontium titanate bulk material affected by all-scale grain boundary and inclusions
Wang, Jun1; Ye, Xinxin1; Yaer, Xinba1; Zhang, Boyu1; Ma, Wen1; Miao, Lei2
2015-04-01
Source PublicationSCRIPTA MATERIALIA
Volume99Pages:25-28
AbstractThe large thermal conductivity of SrTiO3 bulk material limits its potential application for high-temperature thermoelectricity. The effects of all-scale grain boundaries and inclusions on the thermoelectric performance of Nb-doped bulk SrTiO3 materials are investigated in this study. Nano- to microscale grain boundaries and inclusions reduce the thermal conductivity by 30%. As a result, the ZT value is enhanced 2.6 times by a combination of all-sized crystals, energy filtering effect, multilevel scattering behaviors of nano/microscale grain boundaries and inclusions. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordThermoelectric Niobium-doped Strontium Titanate All-scale Grain Boundary Molten Salt Synthesis
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.scriptamat.2014.11.018
WOS Subject ExtendedScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordSRTIO3 ; LA ; ENHANCEMENT
Indexed BySCI
Language英语
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000348881100007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10807
Collection中国科学院广州能源研究所
Affiliation1.Inner Mongolia Univ Technol, Sch Mat Sci & Engn, Hohhot 010051, Inner Mongolia, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrates, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jun,Ye, Xinxin,Yaer, Xinba,et al. High thermoelectric performance of niobium-doped strontium titanate bulk material affected by all-scale grain boundary and inclusions[J]. SCRIPTA MATERIALIA,2015,99:25-28.
APA Wang, Jun,Ye, Xinxin,Yaer, Xinba,Zhang, Boyu,Ma, Wen,&Miao, Lei.(2015).High thermoelectric performance of niobium-doped strontium titanate bulk material affected by all-scale grain boundary and inclusions.SCRIPTA MATERIALIA,99,25-28.
MLA Wang, Jun,et al."High thermoelectric performance of niobium-doped strontium titanate bulk material affected by all-scale grain boundary and inclusions".SCRIPTA MATERIALIA 99(2015):25-28.
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