Tailored 3D Lattice SAPO-34/S-PEEK Composite Sorbents by Additive Manufacturing for Sorption Heat Transformation...

Area of Science:

• Materials Science
• Chemical Engineering
• Additive Manufacturing

Background:

• High-performance adsorbent materials are essential for sorption-based energy conversion.
• Composite sorbents offer promise but face challenges in complex geometric fabrication.
• Additive manufacturing (3D printing) enables intricate structures with tailored properties.

Purpose of the Study:

• To develop an innovative 3D-printed composite sorbent structure for sorption-based energy conversion.
• To optimize the synthesis and material stability of the composite structure.
• To evaluate the structural integrity and adsorption/desorption performance of the fabricated material.

Main Methods:

• Utilized additive manufacturing to create a 3D lattice structure composed of zeolite filler and sulfonated polyether ether ketone matrix.
• Tailored the lattice design for optimized synthesis and material stability.
• Conducted morphological analysis for structural integrity assessment and water-vapor adsorption/desorption isobars at 11 mbar (30-120 °C) for performance evaluation.

Main Results:

• Successfully fabricated a complex 3D lattice structure without external reinforcement.
• Morphological analysis confirmed the structural integrity of the composite.
• Water-vapor adsorption isobars demonstrated good adsorption/desorption capacity within the tested temperature range.

Conclusions:

• Additive manufacturing is a viable technique for producing complex composite sorbent structures.
• The developed zeolite/sulfonated polyether ether ketone composite exhibits promising performance for sorption-based energy applications.
• The tailored 3D structure enhances material stability and functionality.