The Kinetics, Stability and Thermal Contact Resistance of Nickel-Ca3Co4O9 Interfaces Formed by Spark Plasma Sintering
Publication: Research › Conference abstract in proceedings – Annual report year: 2012
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The Kinetics, Stability and Thermal Contact Resistance of Nickel-Ca3Co4O9 Interfaces Formed by Spark Plasma Sintering. / Holgate, Tim; Wu, NingYu; Søndergaard, M.; Iversen, B.B.; Van Nong, Ngo; Pryds, Nini.
In: Proceedings of 31st International and 10th European Conference on Thermoelectrics. 2012.Publication: Research › Conference abstract in proceedings – Annual report year: 2012
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TY - ABST
T1 - The Kinetics, Stability and Thermal Contact Resistance of Nickel-Ca<sub>3</sub>Co<sub>4</sub>O<sub>9</sub> Interfaces Formed by Spark Plasma Sintering
A1 - Holgate,Tim
A1 - Wu,NingYu
A1 - Søndergaard,M.
A1 - Iversen,B.B.
A1 - Van Nong,Ngo
A1 - Pryds,Nini
AU - Holgate,Tim
AU - Wu,NingYu
AU - Søndergaard,M.
AU - Iversen,B.B.
AU - Van Nong,Ngo
AU - Pryds,Nini
PY - 2012
Y1 - 2012
N2 - Incorporating oxide thermoelectric (TE) materials in TE power generation modules necessitates the study of the interfaces between the oxide TE elements and the interconnect materials used to deliver current between them. In this study, interfaces between pure nickel and undoped calcium cobaltate (Ca3Co4O9) have been formed directly by spark plasma sintering (SPS). An intermediate NiO phase is formed during the SPS processes, which grows during post heating with Co entering from the cobaltate side to form a graded Ni1-xCoxO interfacial layer. The electrical and thermal transport across these interfaces, as well as the long term chemical stability of the intermediate layers, have been studied and are discussed herein.
AB - Incorporating oxide thermoelectric (TE) materials in TE power generation modules necessitates the study of the interfaces between the oxide TE elements and the interconnect materials used to deliver current between them. In this study, interfaces between pure nickel and undoped calcium cobaltate (Ca3Co4O9) have been formed directly by spark plasma sintering (SPS). An intermediate NiO phase is formed during the SPS processes, which grows during post heating with Co entering from the cobaltate side to form a graded Ni1-xCoxO interfacial layer. The electrical and thermal transport across these interfaces, as well as the long term chemical stability of the intermediate layers, have been studied and are discussed herein.
BT - Proceedings of 31st International and 10th European Conference on Thermoelectrics
T2 - Proceedings of 31st International and 10th European Conference on Thermoelectrics
ER -