scholarly journals Improved thermoelectric power factor and conversion efficiency of perovskite barium stannate

RSC Advances ◽  
2017 ◽  
Vol 7 (52) ◽  
pp. 32703-32709 ◽  
Author(s):  
Jun Li ◽  
Zuju Ma ◽  
Rongjian Sa ◽  
Kechen Wu

The highly dispersive conduction band and high temperature stability contribute to the excellent electrical properties when BaSnO3 is n-type doped.

2010 ◽  
Vol 434-435 ◽  
pp. 393-396 ◽  
Author(s):  
Ying Song ◽  
Qiu Sun ◽  
Li Rong Zhao ◽  
Fu Ping Wang

A series of polycrystalline (Ca1-xBix)3Co4O9 ( x = 0.0 ~ 0.075 ) powders were synthesized rapidly by a polyacrylamide gel method. The dense ceramics were fabricated using the spark plasma sintering ( SPS ) technique. Effects of Bi substitution on high temperature thermoelectric properties of Ca3Co4O9 were evaluated. Both the electrical conductivity and Seebeck coefficient increased with increasing Bi content up to x = 0.05, thus leading to an enhanced thermoelectric power factor. The Bi substituted sample with x = 0.05 obtained in this study has the highest thermoelectric power factor in the measured temperature range. It reaches 4.810-4 Wm-1K-2 at 700 °C, which is 26 % higher than that of Ca3Co4O9 without Bi substitution, and is by up to 15 % larger as compared to the Bi substituted sample synthesized by the solid state reaction method and the SPS technique due to the high chemical homogeneous powder prepared by the polyacrylamide gel method.


CrystEngComm ◽  
2020 ◽  
Vol 22 (32) ◽  
pp. 5363-5374 ◽  
Author(s):  
Palani Rajasekaran ◽  
Mukannan Arivanandhan ◽  
Yuki Kumaki ◽  
Ramasamy Jayavel ◽  
Yasuhiro Hayakawa ◽  
...  

Donor-doped BaSnO3 (BSO) ceramics are promising n-type oxide materials for high-temperature thermoelectric applications.


2015 ◽  
Vol 3 (40) ◽  
pp. 10451-10458 ◽  
Author(s):  
S. R. Bauers ◽  
D. R. Merrill ◽  
D. B. Moore ◽  
D. C. Johnson

Synthesis and electrical properties of kinetically stabilized (PbSe)1+δ(TiSe2)n thin-film intergrowths are reported for 1 ≤ n ≤ 18. The carriers donated to the TiSe2 from PbSe are diluted with increasing n, leading to a systematic increase in the Seebeck coefficient and thermoelectric power factor.


RSC Advances ◽  
2014 ◽  
Vol 4 (100) ◽  
pp. 57148-57152 ◽  
Author(s):  
Xiaohui Zhao ◽  
Haifeng Wang ◽  
Shufang Wang ◽  
Dogheche Elhadj ◽  
Jianglong Wang ◽  
...  

NaxCoO2/Au thin film multilayers, with a thickness of the Au layer of 0.5–12 nm, have been fabricated on c-Al2O3 by post annealing of the CoO/Au thin film multilayers in Na vapor at high temperature in air.


2008 ◽  
Vol 120 (45) ◽  
pp. 8746-8750 ◽  
Author(s):  
Joseph R. Sootsman ◽  
Huijun Kong ◽  
Ctirad Uher ◽  
Jonathan James D'Angelo ◽  
Chun-I Wu ◽  
...  

ChemInform ◽  
2009 ◽  
Vol 40 (3) ◽  
Author(s):  
Joseph R. Sootsman ◽  
Huijun Kong ◽  
Ctirad Uher ◽  
Jonathan James D'Angelo ◽  
Chun-I Wu ◽  
...  

2008 ◽  
Vol 47 (45) ◽  
pp. 8618-8622 ◽  
Author(s):  
Joseph R. Sootsman ◽  
Huijun Kong ◽  
Ctirad Uher ◽  
Jonathan James D'Angelo ◽  
Chun-I Wu ◽  
...  

Alloy Digest ◽  
1989 ◽  
Vol 38 (1) ◽  

Abstract UNS NO6455 is a nickel-chromium-molybdenum alloy with outstanding high-temperature stability as shown by high ductility and corrosion resistance even after long-time aging in the range 1200-1900 F. The alloy also has excellent resistance to stress-corrosion cracking and to oxidizing atmospheres up to 1900 F. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-367. Producer or source: Nickel and nickel alloy producers.


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