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Development of microsized on‐chip batteries plays an important role in the design of modern micro‐electromechanical systems, miniaturized biomedical sensors, and many other small‐scale electronic devices. This emerging field intimately correlates with the topics of rechargeable batteries, nanomaterials, on‐chip microfabrication, etc. In recent years, a number of novel designs are proposed to increase...
A lab‐on‐chip device is demonstrated for probing the electrochemical kinetics, electrical properties, and structure integrity of a single Si rolled‐up tube as the anode in lithium‐ion batteries. Cyclic voltammetry of the tube exhibits better‐resolved peaks than of the planar film due to the enhanced diffusion. The tube is wrinkled after cycling. The tube could be used as a promising ultra‐microelectrode...
Hierarchically designed SiOx/SiOy rolled‐up bilayer nanomembranes are used as anodes for lithium‐ion batteries. The functionalities of the SiO(x,y) layers can be engineered by simply controlling the oxygen content, resulting in anodes that exhibit a reversible capacity of about 1300 mA h g−1 with an excellent stability of over 100 cycles, as well as a good rate capability.
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