Cover feature illustrates modeling of an extrusion process for lithium-ion battery electrodes, suggesting advancements in manufacturing techniques.
The Cover Feature illustrates the manufacture of filaments by a dry mixing process using a twin-screw extruder; they are subsequently used for 3D printing lithium battery electrodes. The graphic highlights a discrete element method model of the extruder with a recirculation structure, the microstructure of the extruded filament, a spool of 3D-printing filament, and a conceptual representation of a 3D-printed battery. More information can be found in the Research Article by P. Sun, P. Vigneaux and A. A. Franco (DOI: 10.1002/batt.202500211).
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Sun et al. (2026) studied this question.
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