取代NMP溶剂，获得更可持续的高容量印刷锂离子电池阴极

2021 IEEE 16th Nanotechnology Materials and Devices Conference (NMDC) Pub Date : 2021-12-12 DOI:10.1109/NMDC50713.2021.9677509

R. Sliz, Juho Valikangas, Pauliina Vilmi, Tao Hu, U. Lassi, T. Fabritius

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引用次数: 1

摘要

锂离子电池的生产方法需要适应更可持续的未来目标。这项研究的重点是在不影响电池性能的情况下，用危害较小的溶剂取代有毒的NMP。在本研究中，新型的NCM88材料已被用于制造锂离子电池的阴极层。两种制造方法(刀片涂层和丝网印刷)和两种不同的浆料/油墨配方(NMP和dmf为基础)进行了分析。结果表明，用dmf基浆料制备的丝网印刷阴极的性能与用叶片涂层NMP浆料制备的阴极相似。

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Replacement of NMP solvent for more sustainable, high-capacity, printed Li-ion battery cathodes

The production methods of Li-ion batteries need to be adapted for the goals of a more sustainable future. This research focuses on replacing toxic NMP with less harmful solvents, without compromising the batteries' performance. In this research, the novel NCM88 material has been used to fabricate the cathode layers of Li-ion batteries. Two fabrication methods (blade coating and screen printing) and two different slurry/ink formulations (NMP- and DMF-based) have been analysed. Results indicate that screen-printed cathodes fabricated with DMF-based slurries perform similarly to those fabricated through blade-coating NMP slurries.

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2021 IEEE 16th Nanotechnology Materials and Devices Conference (NMDC)

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