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Cold Sintering Process of Composites: Bridging the Processing Temperature Gap of Ceramic and Polymer Materials

Journal Article · · Advanced Functional Materials
 [1];  [2];  [2];  [2];  [2];  [2]
  1. Pennsylvania State Univ., University Park, PA (United States); DOE/OSTI
  2. Pennsylvania State Univ., University Park, PA (United States)
Co-sintering ceramic and thermoplastic polymer composites in a single step with very high volume fractions of ceramics seems unlikely, given the vast differences in the typical sintering temperatures of ceramics versus polymers. These processing limitations are overcome with the introduction of a new sintering approach, namely “cold sintering process” (CSP). CSP utilizes a transient low temperature solvent, such as water or water with dissolved solutes in stoichiometric ratios consistent with the ceramic composition, to control the dissolution and precipitation of ceramics and effect densification between room temperature and ≈200 °C. Under these conditions, thermoplastic polymers and ceramic materials can be jointly formed into dense composites. Three diphasic composite examples are demonstrated to show the overall diversity of composite material design between organic and inorganic oxides, including the microwave dielectric Li2MoO4–(-C2F4 -) n, electrolyte Li1.5Al0.5Ge1.5(PO4)3–(-CH2CF2-) x [-CF2CF(CF3)-] y, and semiconductor V2O5–poly(3,4-ethylenedioxythiophene) polystyrene sulfonate composites. Cold sintering is more general and shall have a major impact on the processing of composite materials for many different applications, mechanical, thermal, and electronic, to mention a few possibilities. CSP concepts open up new composite material design and device integration schemes, impacting a wide variety of applications.
Research Organization:
Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0005575
OSTI ID:
1533010
Journal Information:
Advanced Functional Materials, Journal Name: Advanced Functional Materials Journal Issue: 39 Vol. 26; ISSN 1616-301X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Ceramic–Salt Composite Electrolytes from Cold Sintering journal April 2019
Cold‐Sintered C0G Multilayer Ceramic Capacitors journal April 2019
Cold Sintering of a Covalently Bonded MoS 2 /Graphite Composite as a High Capacity Li-Ion Electrode journal September 2018
Polymeric ionically conductive composite matrices and electrical stimulation strategies for nerve regeneration: In vitro characterization
  • Manoukian, Ohan S.; Stratton, Scott; Arul, Michael R.
  • Journal of Biomedical Materials Research Part B: Applied Biomaterials, Vol. 107, Issue 6 https://doi.org/10.1002/jbm.b.34272
journal November 2018
Effect of NaCl on the microstructure and electrical properties of K0.5Na0.5NbO3 ceramics prepared by cold sintering process journal November 2019
Utilizing the cold sintering process for sintering the thermally decomposable lead dioxide journal November 2019
Status and challenges in enabling the lithium metal electrode for high-energy and low-cost rechargeable batteries journal December 2017
Hydrothermal synthesis of strontium titanate: thermodynamic considerations, morphology control and crystallisation mechanisms journal January 2017
Development of a ReaxFF reactive force field for lithium ion conducting solid electrolyte Li 1+x Al x Ti 2−x (PO 4 ) 3 (LATP) journal January 2018
Structural and electrical characterization of NaNbO 3 -PVDF nanocomposites fabricated using cold sintering synthesis route journal January 2019
A theoretical analysis of cold sintering journal November 2019
A review of cold sintering processes journal January 2020
Demonstration of the cold sintering process study for the densification and grain growth of ZnO ceramics journal October 2016
Plastic deformation and effects of water in room‐temperature cold sintering of NaCl microwave dielectric ceramics journal April 2018
Solvent‐deficient method lowers grain‐boundary resistivity of doped ceria journal September 2019
Toward a size scale‐up cold sintering process at reduced uniaxial pressure journal December 2019
Thermosetting polymers in cold sintering: The fabrication of ZnO‐polydimethylsiloxane composites journal January 2020
Cold sintering: Current status and prospects journal July 2017
A theoretical analysis of cold sintering text January 2019

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