About this Abstract |
Meeting |
2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
|
Symposium
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Special Session
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Presentation Title |
3D Printing of Structural Battery Composites with Continuous Carbon Fibers |
Author(s) |
Aditya Thakur, Xiangyang Dong |
On-Site Speaker (Planned) |
Xiangyang Dong |
Abstract Scope |
The rapidly increasing demand in mobile electric technologies makes it necessary to develop multifunctional composite materials to achieve high volumetric energy storage. A new coextrusion-based 3D printing method was proposed in this study to fabricate structural battery composites with continuous carbon fibers, which can simultaneously carry mechanical loading and achieve electrical energy storage. Solid polymer electrolyte (SPE) coated continuous carbon fibers were coextruded and deposited layer-by-layer with functional polymer matrix materials doped with active and conductive materials. A novel functional, full lithium-ion structural battery was successfully printed with each coated carbon fiber acting as a micro-battery cell. A comparative study of thermoset and thermoplastic materials as binders was performed. The printability, microstructure, mechanical and electrochemical performance was directly compared. The bonding between SPE-coated carbon fibers and doped polymer matrix materials was shown to govern the performance of the printed structural battery composites. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |