Abstract
Laser three-dimensional (3D) manufacturing technologies have gained substantial attention to fabricate 3D structured electrochemical rechargeable batteries. Laser 3D manufacturing techniques offer excellent 3D microstructure controllability, good design flexibility, process simplicity, and high energy and cost efficiencies, which are beneficial for rechargeable battery cell manufacturing. In this review, notable progress in development of the rechargeable battery cells via laser 3D manufacturing techniques is introduced and discussed. The basic concepts and remarkable achievements of four representative laser 3D manufacturing techniques such as selective laser sintering (or melting) techniques, direct laser writing for graphene-based electrodes, laser-induced forward transfer technique and laser ablation subtractive manufacturing are highlighted. Finally, major challenges and prospects of the laser 3D manufacturing technologies for battery cell manufacturing will be provided.
Highlights
Electricity has been a bloodline of modern society and one cannot think of our life without it
6 Summary and outlook This paper provides a comprehensive review of various laser 3D manufacturing technologies and the techniques that are introduced and categorized into four different sections: selective laser sintering techniques; direct laser writing techniques for graphene-based electrodes; laser-induced forward transfer techniques; laser ablation subtractive techniques
Several works have accomplished dramatic improvement in electrochemical performance of the rechargeable cells, but it is worthwhile noting that those approaches are still at an early development stage and many technical challenges need to be overcome in order to be competitive with the conventional manufacturing process
Summary
Electricity has been a bloodline of modern society and one cannot think of our life without it. While the development of functional materials is still necessary, significant effort into the structural design of the battery cell components needs to be dedicated in order for the rational design of electrode/ electrolyte interface that is favorable for fast electrochemical process. To improve the electrochemical performance of the thick electrodes, several approaches such as the sacrificial template method [28,29,30,31,32,33,34,35,36,37] and foam-like structured 3D current collectors [38,39,40,41] that modify the microstructure of the thick electrodes have been investigated, and notable improvements in cell performance were reported. A brief summary and outlook of laser 3D manufacturing techniques for rechargeable cells will be provided
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