Cold sintering and co-firing of a multilayer device with thermoelectric materials

Shuichi Funahashi, Hanzheng Guo, Jing Guo, Amanda L. Baker, Ke Wang, Kosuke Shiratsuyu, Clive A. Randall

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Cold-sintered ZnO and Ca3Co4O9 polycrystalline materials were shown to have thermoelectric properties comparable to those of conventionally sintered ceramics. Extending these processing conditions into a cold sintering co-fired ceramic (CSCC) technology, we integrated n-type and p-type thermoelectric oxides and a separating insulating layer to demonstrate functional multilayer thermoelectric generator devices. A co-fired structure with an insulating 8 mol% yttria-stabilized zirconia (8YSZ) layer enabled multilayer thermoelectric generators (TEG) to be fabricated with a 5 n-p junction device (20 layers). A transmission electron microscopy analysis of the interfaces between the various materials under the co-firing cold sintering showed some interdiffusion of chemical constitutes in a 2.0 μm interface region between the respective ceramic phases. The co-firing of multilayer ceramic and polymer structures were also shown to be possible using insulation layers of polytetrafluoroethylene (PTFE) thermoplastic layers. This demonstrated the feasibility of a single-step process for new structures with both ceramics and polymers, opening up new directions for many new device designs.

Original languageEnglish (US)
Pages (from-to)3488-3496
Number of pages9
JournalJournal of the American Ceramic Society
Volume100
Issue number8
DOIs
StatePublished - Aug 1 2017

Fingerprint

ceramics
Multilayers
Sintering
Polymers
Interdiffusion (solids)
Polycrystalline materials
Yttria stabilized zirconia
Polytetrafluoroethylene
Polytetrafluoroethylenes
Oxides
polymer
Thermoplastics
Insulation
Transmission electron microscopy
insulation
transmission electron microscopy
Processing
firing
cold
sintering

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

Funahashi, Shuichi ; Guo, Hanzheng ; Guo, Jing ; Baker, Amanda L. ; Wang, Ke ; Shiratsuyu, Kosuke ; Randall, Clive A. / Cold sintering and co-firing of a multilayer device with thermoelectric materials. In: Journal of the American Ceramic Society. 2017 ; Vol. 100, No. 8. pp. 3488-3496.
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Cold sintering and co-firing of a multilayer device with thermoelectric materials. / Funahashi, Shuichi; Guo, Hanzheng; Guo, Jing; Baker, Amanda L.; Wang, Ke; Shiratsuyu, Kosuke; Randall, Clive A.

In: Journal of the American Ceramic Society, Vol. 100, No. 8, 01.08.2017, p. 3488-3496.

Research output: Contribution to journalArticle

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