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Study on recycling of lead‐based piezoceramics using trimethylchloromethyl ammonium‐based halide perovskite binder.

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Title: Study on recycling of lead‐based piezoceramics using trimethylchloromethyl ammonium‐based halide perovskite binder.
Authors: Tabeshfar, Mohadeseh1,2 (AUTHOR), Nelo, Mikko1,2 (AUTHOR), Anandakrishnan, Sivagnana Sundaram1,2 (AUTHOR), Peräntie, Jani1 (AUTHOR), Bai, Yang1 (AUTHOR) yang.bai@oulu.fi
Source: Journal of the American Ceramic Society. Sep2025, Vol. 108 Issue 9, p1-13. 13p.
Subjects: Phase transitions, Binding agents, Piezoelectric composites, Permittivity, Curie temperature
Abstract: Oxide‐halide perovskite upside‐down composites have been demonstrated for recycling heavy‐eco‐footprint piezoceramics. However, options for the binders are limited. As the binder significantly affects the electrical properties of the recycled materials, the available binder material pool needs to be expanded. This work explores the use of a halide perovskite compound, Me3NCH2ClCdCl3 (TMCM‐CdCl3), as the binder to study the interplay between the filler's and binder's characteristics and its influence on electrical properties of the recycled piezoceramics. Two Pb‐containing ceramic fillers, Pb(Zr,Ti)O3 and Pb(Mg1/3Nb2/3)O3‐PbTiO3, which possess distinct permittivity and Curie temperatures, are used in the study. A wide range of fabrication temperatures span the fillers' and binder's phase transition and decomposition regions are involved. Results suggest that a coincidence of the filler's ferroelectric‐paraelectric phase transition with the binder's decomposition during fabrication can significantly degrade the composite's electrical properties due to the microstructural frustration among porosity increase, densification lag, and enlarged filler‐binder permittivity mismatch. This work has achieved the champion relative permittivity of ∼600 at 1 kHz and comparable piezoelectric responses (charge and voltage coefficients of ∼90 pC N−1 and 31‐32 mVm N−1, respectively) among all the known upside‐down composites. These results advance the understanding of structure‐property correlations in upside‐down composites. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Study on recycling of lead‐based piezoceramics using trimethylchloromethyl ammonium‐based halide perovskite binder.
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  Data: <searchLink fieldCode="AR" term="%22Tabeshfar%2C+Mohadeseh%22">Tabeshfar, Mohadeseh</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nelo%2C+Mikko%22">Nelo, Mikko</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Anandakrishnan%2C+Sivagnana+Sundaram%22">Anandakrishnan, Sivagnana Sundaram</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peräntie%2C+Jani%22">Peräntie, Jani</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bai%2C+Yang%22">Bai, Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yang.bai@oulu.fi</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Ceramic+Society%22">Journal of the American Ceramic Society</searchLink>. Sep2025, Vol. 108 Issue 9, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Binding+agents%22">Binding agents</searchLink><br /><searchLink fieldCode="DE" term="%22Piezoelectric+composites%22">Piezoelectric composites</searchLink><br /><searchLink fieldCode="DE" term="%22Permittivity%22">Permittivity</searchLink><br /><searchLink fieldCode="DE" term="%22Curie+temperature%22">Curie temperature</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Oxide‐halide perovskite upside‐down composites have been demonstrated for recycling heavy‐eco‐footprint piezoceramics. However, options for the binders are limited. As the binder significantly affects the electrical properties of the recycled materials, the available binder material pool needs to be expanded. This work explores the use of a halide perovskite compound, Me3NCH2ClCdCl3 (TMCM‐CdCl3), as the binder to study the interplay between the filler's and binder's characteristics and its influence on electrical properties of the recycled piezoceramics. Two Pb‐containing ceramic fillers, Pb(Zr,Ti)O3 and Pb(Mg1/3Nb2/3)O3‐PbTiO3, which possess distinct permittivity and Curie temperatures, are used in the study. A wide range of fabrication temperatures span the fillers' and binder's phase transition and decomposition regions are involved. Results suggest that a coincidence of the filler's ferroelectric‐paraelectric phase transition with the binder's decomposition during fabrication can significantly degrade the composite's electrical properties due to the microstructural frustration among porosity increase, densification lag, and enlarged filler‐binder permittivity mismatch. This work has achieved the champion relative permittivity of ∼600 at 1 kHz and comparable piezoelectric responses (charge and voltage coefficients of ∼90 pC N−1 and 31‐32 mVm N−1, respectively) among all the known upside‐down composites. These results advance the understanding of structure‐property correlations in upside‐down composites. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jace.20714
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      – Code: eng
        Text: English
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      – SubjectFull: Binding agents
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      – SubjectFull: Permittivity
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      – SubjectFull: Curie temperature
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      – TitleFull: Study on recycling of lead‐based piezoceramics using trimethylchloromethyl ammonium‐based halide perovskite binder.
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            NameFull: Tabeshfar, Mohadeseh
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            NameFull: Nelo, Mikko
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            NameFull: Anandakrishnan, Sivagnana Sundaram
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            NameFull: Peräntie, Jani
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            NameFull: Bai, Yang
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            – D: 01
              M: 09
              Text: Sep2025
              Type: published
              Y: 2025
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