Abstract The combination of 3D printing technology and electrode materials make the design and manufacture of electrode structures more convenient and faster. Electrodes with the 3D structure have a large… Click to show full abstract
Abstract The combination of 3D printing technology and electrode materials make the design and manufacture of electrode structures more convenient and faster. Electrodes with the 3D structure have a large surface area and multiple ion transmission paths, which help the batteries to achieve a high areal capacity, energy density and power density. Here, we designed the 3D printed electrodes with a structure of square grid by Direct Ink Writing, and achieved an improvement of areal capacity (1.44 mAh cm-2 at 0.5C), better areal-energy density (18.06 J cm-2) and cycling stability (preserving ∼80% capacity after 500 cycles at 5 C).
               
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