Development of thick-film thermoelectric microgenerators based on p-type Ca3Co4O9 and n-type (ZnO)5In2O3 legs

Rudež, R.; Markowski, Piotr; Presečnik, M.; Košir, Mateja; Dziedzic, Andrzej; Bernik, Slavko

doi:10.1016/j.ceramint.2015.07.097

Cited by 17 publications

(13 citation statements)

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“…They are potential energy sources for low-power autonomous microsystems. The most commonly investigated thermoelectric materials, sensors and microgenerators are based on metals, materials based on silicon and/or germanium (SiGe, silicides, germanides), Bi 2 Te 3 , materials based on elements from group V (As, Sb, Bi) and group VI (Se, Te), PGEC materials (phonon-glass, electron-crystal), e.g., skutterudites, intermetallic clathrates or half-Heusler alloys), TAGS (Te-Ag-Ge-Sb) or LAST (Pb-Sb-Ag-Te) systems, and oxides with metallic conductivity or Thermoelectric Materials Functionally Graded (TMFG) [1,2,3,4,5,6,7,8,9,10]. It should be noted that some of the previously reported highly efficient thermoelectric compositions (mostly semiconductive ones, such as half-Heuslers, lead telluride and germanium telluride) can be used for power-generation applications [11].…”

Section: Introductionmentioning

confidence: 99%

“…Various methods are used for the fabrication of modern thermoelectric microsensors (e.g., temperature [12,13], heat flux [14,15], thermal insolation [15,16,17], laser power [1,18,19], Seebeck nanoantennas for solar energy harvesting [20] or calorimeters [21]) and microgenerators [1,2,3,4,5,6,7,10,22,23,24,25,26,27]—classical semiconductor technology and silicon micromachining [1], volume micromachining [1,5,6,9,25] (where, for example, vapor phase soldering is used to improve solder joint quality and reliability of the various microgenerator parts [28]), plasma spraying and laser patterning [29,30], thin-film deposition (evaporation, magnetron sputtering, electrochemical deposition) [3,8,24,25,31], thick-film technology (planar, 3D, on flexible substrates, alumina or LTCC ones) [2,4,6,7,10,11,12,13,22,26,32,33,34,35]. …”

Section: Introductionmentioning

confidence: 99%

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Thermoelectric Mixed Thick-/Thin Film Microgenerators Based on Constantan/Silver

2018

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This paper describes the design, manufacturing and characterization of newly developed mixed thick-/thin film thermoelectric microgenerators based on magnetron sputtered constantan (copper-nickel alloy) and screen-printed silver layers. The thermoelectric microgenerator consists of sixteen thermocouples made on a 34.2 × 27.5 × 0.25 mm3 alumina substrate. One of thermocouple arms was made of magnetron-sputtered constantan (Cu-Ni alloy), the second was a Ag-based screen-printed film. The length of each thermocouple arm was equal to 27 mm, and their width 0.3 mm. The distance between the arms was equal to 0.3 mm. In the first step, a pattern mask with thermocouples was designed and fabricated. Then, a constantan layer was magnetron sputtered over the whole substrate, and a photolithography process was used to prepare the first thermocouple arms. The second arms were screen-printed onto the substrate using a low-temperature silver paste (Heraeus C8829A or ElectroScience Laboratories ESL 599-E). To avoid oxidation of constantan, they were fired in a belt furnace in a nitrogen atmosphere at 550/450 °C peak firing temperature. Thermoelectric and electrical measurements were performed using the self-made measuring system. Two pyrometers included into the system were used for temperature measurement of hot and cold junctions. The estimated Seebeck coefficient, α was from the range 35 − 41 µV/K, whereas the total internal resistances R were between 250 and 3200 ohms, depending on magnetron sputtering time and kind of silver ink (the resistance of a single thermocouple was between 15.5 and 200 ohms).

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermoelectric Mixed Thick-/Thin Film Microgenerators Based on Constantan/Silver

2018

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“…Other inorganic materials used in printed TE include Bi 2 Te x Se 3Àx , Ca 3 Co 4 O 9 and ZnO doped In 2 O 3 . 30 There are two common approaches to prepare functional inks using these materials. One includes ball milling the inorganic materials to nanoparticle forms, then dispersing them in aqueous solutions or polymer matrices.…”

Section: Optimizing Thermoelectric Materialsmentioning

confidence: 99%

“…Apart from BiTe and BiSb based TEGs, Rudež et al screen printed Ca 3 Co 4 O 9 as p-type leg and a (ZnO) 5 In 2 O 3 as n-type leg to print TEGs on alumina substrate. 30 They also screen printed the electrodes making it a fully printed TEG device. However, because of the ink formulation, the process required very high temperatures of up to 1400 C.…”

Section: Screen Printingmentioning

confidence: 99%

Recent advances in printable thermoelectric devices: materials, printing techniques, and applications

Hossain

et al. 2020

RSC Adv.

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“…However, the lowest resistivity for (ZnO) 5 In 2 O 3 required a firing temperature of 1350 °C at which point a reaction took place between ZnO and the substrate forming an interfacial ZnAl 2 O 4 phase. Sublimation of ZnO also occurred causing In 2 O 3 rich grains at the surface of the film …”

Section: Screen Printingmentioning

confidence: 99%

Printed thermoelectric materials and devices: Fabrication techniques, advantages, and challenges

Orrill

LeBlanc

2016

J of Applied Polymer Sci

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Thermoelectric (TE) devices enable increased efficiency and performance by converting waste heat to usable electricity or providing solid-state, localized cooling. Large-scale implementation of the technology is hindered by power conversion efficiency, manufacturing challenges, and material and system costs. Traditionally, inorganic compounds like bismuth telluride and lead telluride are used for their high performance, but they are brittle, scarce, and toxic. Organic compounds have lower power conversion efficiencies, but they are flexible, abundant, low-cost, environmentally benign, and solution-processable, making them suitable for large-scale, high-throughput manufacturing techniques such as roll-to-roll printing. Inorganic-organic hybrid composite materials can boost power conversions efficiencies while maintaining ease of processing. This review summarizes and compares four manufacturing techniques-inkjet, screen, and dispenser printing, and stereolithography-used to fabricate TE devices. Common challenges relevant to printed TE materials and devices are described, and recent research results using these techniques are also reviewed. V C 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44256.

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Development of thick-film thermoelectric microgenerators based on p-type Ca3Co4O9 and n-type (ZnO)5In2O3 legs

Cited by 17 publications

References 18 publications

Thermoelectric Mixed Thick-/Thin Film Microgenerators Based on Constantan/Silver

Thermoelectric Mixed Thick-/Thin Film Microgenerators Based on Constantan/Silver

Recent advances in printable thermoelectric devices: materials, printing techniques, and applications

Printed thermoelectric materials and devices: Fabrication techniques, advantages, and challenges

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