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3D‐Printed Microbatteries
In article number 2205569, Shuanghao Zheng, Zhong‐Shuai Wu, and co‐workers report a prototype of a planar and flexible 3D‐printed sodium‐ion microbattery with a 3D hierarchically porous framework by consecutively printing cathode, anode, and electrolyte inks. Such a printable strategy paves a new avenue for scalable and customizable fabrication of high‐energy micro‐power‐sources...
Rechargeable sodium‐ion microbatteries (NIMBs) constructed using low‐cost and abundant raw materials in planar configuration with both cathode and anode on the same substrate hold promise for powering coplanar microelectronics, but are hindered by the low areal capacity owing to the thin microelectrodes. Here, a prototype of planar and flexible 3D‐printed NIMBs is demonstrated with 3D interconnected...
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