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3D-printed battery with distinct electrolyte chambers. (a) Battery design showing two individual battery parts with two platinum-coated meshes (1, 2) and one aluminum sheet (3). (b) Printed battery with platinum meshes (1, 2) and aluminum sheets (3). (c) Fully assembled battery from (b) with additional charcoal (4) and superabsorber/potassium hydroxide filling (5).
