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Enhanced Thermoelectric Properties of Ca3-xAgxCo4O9 by the Sol-Gel Method with Spontaneous Combustion and Cold Isostatic Pressing

文献类型：期刊论文

作者Fan, Youyu1; Qi, Xiaoling2; Zeng, Dechang1
刊名MATERIALS
出版日期2018-12-01
卷号11期号:12页码:10
关键词cobaltite ceramic doping thermoelectric properties sol-gel method cold isostatic pressing
ISSN号1996-1944
DOI10.3390/ma11122573
通讯作者Zeng, Dechang(medczeng@scut.edu.cn)
英文摘要In this study, Ca3-xAgxCo4O9 ceramics were synthesized by the sol-gel method combined with spontaneous combustion and cold isostatic pressing. The Ca3-xAgxCo4O9 ceramics were characterized via X-ray diffraction and scanning electron microscopy. Thermoelectric properties of the ceramics were measured from 323 to 673 K. The results indicated that Ag doping significantly affected the microstructure and thermoelectric properties. With the increase in Ag content and gradual increase in electrical conductivity, the Seebeck coefficient first increased and then decreased, whereas the thermal conductivity exhibited the opposite case. The figure of merit, ZT, was 0.17 at 673 K for the Ca2.8Ag0.2Co4O9 sample. These results indicated that the thermoelectric properties could be optimized remarkably with the substitution of Ag.
WOS关键词CA3CO4O9 ; TRANSPORT ; CA ; LA
资助项目Guangdong Provincial Science and Technology Program[2015A050502015] ; Guangzhou Municipal Science and Technology Program[2016201604030070] ; Guangzhou Municipal Science and Technology Program[201707010056] ; Guangzhou Municipal Science and Technology Program[201604016103] ; Natural Science Foundation of Guangdong Province[2016A030313494]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000456419200231
出版者MDPI
资助机构Guangdong Provincial Science and Technology Program ; Guangzhou Municipal Science and Technology Program ; Natural Science Foundation of Guangdong Province
源URL[http://ir.giec.ac.cn/handle/344007/24566]  
专题中国科学院广州能源研究所
通讯作者Zeng, Dechang
作者单位1.South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Fan, Youyu,Qi, Xiaoling,Zeng, Dechang. Enhanced Thermoelectric Properties of Ca3-xAgxCo4O9 by the Sol-Gel Method with Spontaneous Combustion and Cold Isostatic Pressing[J]. MATERIALS,2018,11(12):10.
APA Fan, Youyu,Qi, Xiaoling,&Zeng, Dechang.(2018).Enhanced Thermoelectric Properties of Ca3-xAgxCo4O9 by the Sol-Gel Method with Spontaneous Combustion and Cold Isostatic Pressing.MATERIALS,11(12),10.
MLA Fan, Youyu,et al."Enhanced Thermoelectric Properties of Ca3-xAgxCo4O9 by the Sol-Gel Method with Spontaneous Combustion and Cold Isostatic Pressing".MATERIALS 11.12(2018):10.

入库方式： OAI收割

来源：广州能源研究所

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