3D printable composite polymer electrolytes: influence of SiO2 nanoparticles on 3D-printability

Katacharava, Z., et al. Nanomaterials 2022, DOI:https://doi.org/10.3390/nano12111859

We here demonstrate the preparation of composite polymer electrolytes (CPEs) for Li-ion batteries, applicable for 3D printing process via fused deposition modeling. Based on composites of modified (H-bonding) poly(ethylene glycol) (PEG), lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) and SiO2-based nanofillers we introduce self-healing into the electrolyte system. The composite electrolyte PEG 1500 UPy2/LiTFSI (EO:Li 5:1) mixed with 15% NP-IL was successfully 3D printed, revealing its suitability for application as printable composite electrolyte.