Figure 5 | Scientific Reports

Figure 5

From: Three-Dimensional Printing of a LiFePO4/Graphite Battery Cell via Fused Deposition Modeling

Figure 5

(a) Scheme of the 3D-printed in “one-shot” lithium-ion battery using Hilbert curves pattern 70% infill density as first separator layer (50 µm thick) and 100% infill density (100 µm thick) as second separator layer; (b) Backscattered electron SEM image of the system; (c) Capacity retention plots at different C-rate for the 3D-printed in “one shot battery”; (d) Backscattered electron SEM image of the cracks observed within the negative electrode after cycling. It is important to note that 7%SiO2 and 10%CSP sample were respectively used here as separator and positive electrode while our previously reported (cf. ref. 42) Graphite/PLA/CSP/PEGDME500 filament was used to print the negative electrode.

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