Carbon Letters ( IF 5.5 ) Pub Date : 2021-09-01 , DOI: 10.1007/s42823-021-00277-8 Gyori Park 1 , Kyung Jin Lee 1 , Jun-Seob Park 2 , Hyun-Suk Kim 2
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Lithium-ion battery (LiB) is one of the special issues on nowadays and diverse researches to develop LiB with better performances have been carried out so far, especially, regarding improved properties of each component such as cathode, anode, separator and electrolyte. However, there are limited information on ‘processing’ to prepare each component, and especially fabrication of cathode is strongly dependent on thinky mixer to realize homogeneous dispersion of active materials and conductors in binders. Herein, we report on preparation of LiNi0.8Co0.1Mn0.1O2 (NCM811) based cathode materials with different carbon conductors (CNT and carbon black) using homogenizer and three-roll milling method. These processes are turned out perfect alternative to prepare cathode electrode. LiB cells were assembled using the dispersed electrode slurry and the performance of a cell was electrochemically stable, even in the case of a CNT conductor, which is normally difficult to make perfect dispersion because of its strong Van der Waals attraction between the tubes and π–π interactions.
Graphic abstract
中文翻译：
三辊磨法制备锂离子电池正极浆料
锂离子电池 (LiB) 是当今的特殊问题之一，迄今为止，已经进行了多种研究以开发具有更好性能的 LiB，特别是在改善正极、负极、隔膜和电解质等各个组件的性能方面。然而，关于制备每个组件的“加工”信息有限，尤其是阴极的制造强烈依赖于智能混合器来实现活性材料和导体在粘合剂中的均匀分散。在此，我们报道了 LiNi 0.8 Co 0.1 Mn 0.1 O 2 的制备(NCM811) 基正极材料具有不同的碳导体（CNT 和炭黑），使用均质机和三辊研磨方法。这些过程被证明是制备阴极电极的完美替代方案。LiB 电池使用分散的电极浆料组装而成，电池的性能在电化学上是稳定的，即使是在 CNT 导体的情况下，由于管和π之间的强大范德华吸引力，通常很难实现完美的分散。π相互作用。
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