Our new publication in J of Taiwan Vacuum Society "Development and Future Prospects of 3D Batteries"
In recent years, the development of advanced batteries aimed at new materials and solid-state battery systems, and the mainstream electrode design was based on a simple planar electrode stacking structure. However, emerging applications require batteries with both high energy density and high power density, which is impossible to be realized in traditional battery designs. In general, high power battery design will lead to low energy density, and vice versa. Developing innovative battery architecture can be a feasible means to solve this issue. 3D batteries possess not only fast charge-discharge feature inherited from thin-film batteries but also improve their energy density by elongating electrode structure without increasing the transport distance of electrons and ions. Since the processing methods of 3D batteries are highly related to those of semiconductor devices, it would be streamlined to integrate 3D batteries with microelectromechanical systems or self-powered chips. This review article will introduce the mechanisms, structural designs, manufacturing processes, classic design examples, and future prospects of 3D batteries.
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